Protein by Samantha King The Making of a Nutritional Superstar
What's it about?
Protein (2026) argues that protein’s assent to cultural dominance has less to do with genuine dietary science and more to do with how it’s been harnessed by commercial, scientific, and social forces. Tracing protein’s history from nineteenth-century biochemistry to the present, it reveals how the nutrient has been recruited to serve agendas ranging from colonial development schemes and industrial food production to fitness culture and anti-aging medicine.
Walk into any gym, grocery store, or pharmacy and you’ll be confronted with the same message plastered across tubs, bars, and packaging. The message? Protein. It’s everywhere, marketed as a muscle builder, a weight-loss solution, an anti-aging elixir, and a fix for global hunger.
Even the newest generation of plant-based burgers proudly guarantees, in all caps, “20G of PLANT PROTEIN PER SERVING” – as if the word “protein” alone were a guarantee of health, virtue, and sustainability. Have you ever stopped to wonder why? Why does protein and not fat, carbohydrates, or any other nutrient enjoy such a halo effect? And who, exactly, benefits from our collective obsession?
The surprising answer is that protein’s extraordinary cultural status has almost nothing to do with your dietary needs – and everything to do with commerce, ideology, and power. In this lesson, you’ll discover how protein became the world's most celebrated nutrient, tracing its rise from nineteenth-century biochemistry labs to the supplement-stacked shelves of today. You’ll learn how protein has been weaponized to serve colonial development agendas, repackaged as an eco-friendly solution to the climate crisis, and wielded as a symbol of masculinity in the darkest corners of the internet.
When you hear the word “protein,” you probably think of the scoop of powder you put in your post-workout shake, or perhaps a chunk of steak or tofu. But what actually is protein? The word “protein” was coined in 1838 by the Dutch chemist Gerardus Johannes Mulder, from the Greek proteios, meaning “primary. ” Mulder believed he’d identified a single foundational substance at the heart of life and nutrition.
His German rival, Justus von Liebig, disagreed. Liebig shared Mulder’s belief that protein was primary. But he argued that it wasn’t one stable molecule. Instead, it was a broad class of related substances. In a sense, both were right. Protein is indeed fundamental to life – the human body requires nine amino acids it can only get from food.
But “protein” isn’t one thing. It’s a vast and variable family of substances made from chains of amino acids. Proteins help give cells their structure, move substances around, send signals, speed up chemical reactions, and much more. Yet much of protein’s nature remains mysterious. Scientists have identified some 200 million proteins in nature, but fewer than 200,000 have had their structures fully mapped. About 40 percent of the proteins encoded by the human genome still have unknown functions.
So how did this shape-shifting class of molecules become the star of the nutritional show? The answer leads back to Liebig. His studies led him to conclude that protein, especially from meat, was the only truly essential nutrient, with fats and carbohydrates playing only a supporting role. Though his theory was ultimately proven wrong, the idea stuck – helped along by Liebig’s role as an entrepreneur and a propagandist. He founded what some consider the world’s first global food company: a beef extract operation. Though the extract contained almost no actual protein, it was marketed as a tonic for soldiers and a solution to the nutritional needs of Europe’s industrial working class.
Liebig’s ideas were also deeply entangled with the racial and colonial politics of his time. High animal protein intake was framed as a marker of strength and superiority – and used to justify the expansion of colonial agriculture and the pathologizing of non-meat-eating cultures. The gap between scientific reality and nutritional messaging was there from the start. In 1974, a medical researcher named Donald McLaren published an article in the prestigious journal The Lancet called “The Great Protein Fiasco.
” It was a damning verdict on one of the most expensive, wasteful, and consequential errors in the history of nutrition science. The story begins in the early twentieth century, when colonial administrators in Africa began shifting focus away from famine and toward the “quality” of native diets. The underlying concern wasn’t humanitarian – it was economic. A well-fed workforce was a productive one, and colonial officials were eager to maximize the labor they could extract.
Nutrition science offered a convenient framework. A key turning point came when British pediatrician Cicely Williams, stationed in today’s Ghana, began documenting a mysterious wasting disease in children known locally as “kwashiorkor. ” She tentatively observed that protein deficiency might be involved – and the colonial medical establishment pounced, declaring that the developing world was facing a protein crisis. This framing proved both powerful and misleading. Rather than attributing malnutrition to poverty, disrupted food systems, and colonial extraction, researchers and policymakers treated protein as the central problem. After World War II, institutions like the FAO and WHO began investing heavily in solving the so-called “protein gap.
” For Western governments, this approach had a convenient side effect: it created a rationale for exporting surplus agricultural products, like dried milk, under the banner of nutritional aid. As the narrative gained momentum, it produced increasingly bizarre solutions. International agencies funded the development of cheap, high-protein foods, from oil-grown microbes to fish-protein concentrates and algae cultivated on sewage. These products were unpalatable and widely rejected. Yet the underlying assumption – that protein deficiency was the defining nutritional crisis – remained largely unchallenged. It wasn’t until the late 1960s and early 1970s that the foundation cracked.
Researchers in the Global South, along with a handful of Western scientists, demonstrated that malnourished populations weren’t lacking protein so much as calories. Diets sufficient in energy were generally sufficient in protein. In other words, the “protein gap” didn’t exist. The research had been shaped more by institutional momentum and grant funding than actual evidence. McLaren’s article crystallized this realization. Vast resources had been misdirected, while the true drivers of malnutrition – poverty and inequality – had gone inadequately addressed.
Every single day, a large cheese-processing plant produces over a million liters of liquid whey – a pale, protein-rich, intensely pungent substance that was once treated as waste. Today, whey is everywhere – protein shakes, bars, yogurts, and even beer. So how did whey go from toxic pollutant to nutritional superstar? The story starts with milk.
During World War II, American dairy farmers ramped up production to feed soldiers overseas. After the war ended, they were suddenly left with enormous surpluses that the market couldn’t absorb. Government interventions followed, including a 1946 law mandating every school lunch to include milk. But domestic milk consumption continued to decline. In response, the dairy industry pivoted toward cheese – a move that proved enormously successful. By 2016, Americans were consuming nearly triple the amount of cheese as they had in 1970.
The problem was that cheese production generates an enormous amount of leftover liquid: whey. For every kilogram of cheese produced, nine liters of whey are left behind. At first, the only answer to this whey surplus was to dump it into waterways. The results were ecologically catastrophic. Whey is roughly 175 times more potent than untreated human sewage, owing to its extremely high nitrogen content. This caused massive fish kills, contaminated soils, and waterways choked by runaway plant growth.
Environmental activists and eventually governments demanded action. So the dairy industry turned to its engineers and food scientists. What followed was a wave of technoscientific innovation in filtering, concentrating, and drying liquid whey into a stable powder that could be stored, shipped, and consumed by humans. The dairy industry loves to frame this transformation as a triumph. In narrow terms, it’s true. Whey protein powder is genuinely high in the amino acids the body needs, and it metabolizes quickly.
But the narrative also hides something important: the body can only use so much protein at once. The excess is excreted as urea, a nitrogen-rich compound that reenters water systems. In other words, the same nitrogen-dense substance that was poisoning rivers in the 1970s is still cycling through water systems today. The ecological burden of whey wasn’t eliminated – it was rerouted through human metabolism.
At a symposium in New Mexico in 1988, nutrition professor Irwin Rosenberg declared what he believed to be one of the most overlooked problems in medicine: the gradual loss of muscle mass in older people. He called the condition sarcopenia, from the Greek for “poverty of flesh,” and argued that it deserved the same serious scientific attention as osteoporosis or heart disease. The idea quickly took hold. An era of rising neoliberalism – with its emphasis on individual responsibility for health – proved receptive soil.
And an entirely new medical category, along with a multibillion-dollar market, was born. But the science of sarcopenia has never been as solid as its cultural prominence might suggest. Muscle mass naturally peaks in early adulthood and declines over time. This is a universal feature of aging, not necessarily a disease. Major reviews note that sarcopenia lacks agreed-upon diagnostic criteria or proven treatments, and a 2022 article in the British Medical Journal concluded there’s no evidence that a sarcopenia diagnosis improves health outcomes. Desp ite this uncertainty, sarcopenia has become highly productive, both scientifically and commercially.
The senior nutrition market was worth over $23 billion in 2022, with protein accounting for 40 percent of demand by nutrient type. Products once used primarily in hospitals for malnourished patients – like Nestlé’s Boost and Abbott’s Ensure – are now aggressively marketed to healthy older adults. Researchers use studies to justify further funding – but the institutions providing that funding often have a direct financial stake in the protein-based solutions being recommended. One widely cited study, for instance, calculated that sarcopenia costs the US health-care system over $40 billion per year in hospitalizations, and that a 10 percent reduction in prevalence would save over a billion dollars annually.
The lead author of this study was listed as a director at Abbott Nutrition, manufacturer of Ensure. What’s lost in this soup is everything that doesn’t fit the framework of individual decline and individual intervention. Social gerontologists argue that how we age is shaped far more by financial security, social connection, access to good food, and quality care systems than any individual’s supplement regimen. Sarcopenia reduces this complexity to a biochemical problem with a profitable nutritional solution.
When Aubrey Marcus wants to inspire his followers, he doesn’t talk about “exercise. ” “Exercise,” he says, “is for puppies and babies. ” What he prescribes instead is training, optimization, sovereignty – and a carefully curated stack of supplements to fuel it all. Marcus is a central figure in what might be called the “muscular manosphere,” a sprawling digital ecosystem of men’s fitness and self-improvement gurus.
This culture is a primary engine behind a protein supplement industry worth $21 billion globally, with men accounting for 70 percent of sales. But to understand protein’s role here, you have to look beyond economics to ideology – what protein represents for the men who consume it. At its core, the muscular manosphere is built around a narrative of masculinity under threat. Its leading voices frame their fitness and supplement regimens as responses to the erosion of traditional manhood. Their enemies vary depending on who’s talking, but the solution is consistent: take ownership of your body, train hard, eat right, and buy the right products. Many of the manosphere’s most visible figures – like Alex Jones and Joe Rogan – profit from supplement companies worth hundreds of millions.
Protein circulates through this network as a common language, linking participants through shared rituals of training and self-optimization. In its powdered form, stripped of visible origins, it appears clean, efficient, and controllable – the perfect fuel for a self-directed individual. It promises transformation: consume it, train hard, and your body improves; stop, and progress fades. This cycle mirrors a broader ideology of perpetual self-improvement. The politics embedded in this culture are rarely explicit – influencers often distance themselves from overt political labels. But the values they promote tell a clearer story.
Cultural theorist Jack Bratich’s concept of “microfascism” is useful here. Bratich argues that as neoliberalism enters crisis, it generates cultural formations built around fantasies of masculine self-creation, sovereignty, and renewal. These formations don’t always announce themselves as political, but they carry the logic of patriarchal dominance in their structure. The muscular manosphere fits this description closely. Most consumers aren’t consciously adopting the ideology of the muscular manosphere. But when the same algorithms that deliver workout tips carry broader messages about identity and power, the nutritional and the political become increasingly difficult to separate.
In 2024, the Florida legislature passed a law banning the sale of lab-grown meat. That same year, a Montana Republican candidate made a point of branding a calf on the campaign trail. And a best-selling book called The Eggs Benedict Option argued that animal protein is essential to defending Western civilization from feminism and globalism. Protein has officially been drafted into the culture war.
This strange transformation reflects protein’s unusual flexibility as an idea. It can stand for strength, purity, tradition, innovation, or survival, depending on who’s invoking it. Today, it sits at the center of two competing visions of the future. On one side is a meat-first populism that treats beef as a marker of freedom, masculinity, and national identity. On the other is a Silicon Valley-inflected alternative-protein futurism that promotes lab-grown meat and insect protein as solutions to environmental collapse. The ideological gulf is real, but both sides are operating within the same fundamental framework – one in which protein is the indispensable nutrient.
Meanwhile, the science that might anchor these debates remains unsettled. There is still no clear consensus on how much protein people actually need. A significant group of researchers argues that the official recommended daily allowance may underestimate protein needs by as much as 50 percent, particularly for older adults. Yet an equally significant group argues that the average American and Canadian already consumes too much protein, with consequences for kidney health, cancer risk, and environmental sustainability. The honest answer to the question “How much protein should I eat? ” is, frustratingly, “It depends.
” This conclusion satisfies no one, and the supplement industry has no interest in promoting it. In the end, what protein’s two-century biography reveals is that its cultural power has never primarily been about nutrition. It’s been about growth – of bodies, economies, empires, and markets – and about the promise of control. As the world grows more uncertain, protein is asked to offer something solid to hold onto, a supplement for a stable self in an unstable world. Whether it can deliver on that promise is another matter entirely. The main takeaway of this lesson to Protein by Samantha King and Gavin Weedon is that protein’s cultural importance has far less to do with clear nutritional science than with its shifting political, economic, and ideological uses.
Across history, protein has been repeatedly misinterpreted, commercialized, and weaponized – from colonial nutrition policy and industrial food waste to aging anxieties, fitness culture, and the manosphere. Meanwhile, the underlying science remains uncertain and often contested. What endures is protein’s symbolic power: a flexible, marketable idea that promises strength, control, and optimization in a world defined by instability, inequality, and competing visions of the future.
Protein (2026) argues that protein’s assent to cultural dominance has less to do with genuine dietary science and more to do with how it’s been harnessed by commercial, scientific, and social forces. Tracing protein’s history from nineteenth-century biochemistry to the present, it reveals how the nutrient has been recruited to serve agendas ranging from colonial development schemes and industrial food production to fitness culture and anti-aging medicine.
Walk into any gym, grocery store, or pharmacy and you’ll be confronted with the same message plastered across tubs, bars, and packaging. The message? Protein. It’s everywhere, marketed as a muscle builder, a weight-loss solution, an anti-aging elixir, and a fix for global hunger.
Even the newest generation of plant-based burgers proudly guarantees, in all caps, “20G of PLANT PROTEIN PER SERVING” – as if the word “protein” alone were a guarantee of health, virtue, and sustainability. Have you ever stopped to wonder why? Why does protein and not fat, carbohydrates, or any other nutrient enjoy such a halo effect? And who, exactly, benefits from our collective obsession?
The surprising answer is that protein’s extraordinary cultural status has almost nothing to do with your dietary needs – and everything to do with commerce, ideology, and power. In this lesson, you’ll discover how protein became the world's most celebrated nutrient, tracing its rise from nineteenth-century biochemistry labs to the supplement-stacked shelves of today. You’ll learn how protein has been weaponized to serve colonial development agendas, repackaged as an eco-friendly solution to the climate crisis, and wielded as a symbol of masculinity in the darkest corners of the internet.
When you hear the word “protein,” you probably think of the scoop of powder you put in your post-workout shake, or perhaps a chunk of steak or tofu. But what actually is protein? The word “protein” was coined in 1838 by the Dutch chemist Gerardus Johannes Mulder, from the Greek proteios, meaning “primary. ” Mulder believed he’d identified a single foundational substance at the heart of life and nutrition.
His German rival, Justus von Liebig, disagreed. Liebig shared Mulder’s belief that protein was primary. But he argued that it wasn’t one stable molecule. Instead, it was a broad class of related substances. In a sense, both were right. Protein is indeed fundamental to life – the human body requires nine amino acids it can only get from food.
But “protein” isn’t one thing. It’s a vast and variable family of substances made from chains of amino acids. Proteins help give cells their structure, move substances around, send signals, speed up chemical reactions, and much more. Yet much of protein’s nature remains mysterious. Scientists have identified some 200 million proteins in nature, but fewer than 200,000 have had their structures fully mapped. About 40 percent of the proteins encoded by the human genome still have unknown functions.
So how did this shape-shifting class of molecules become the star of the nutritional show? The answer leads back to Liebig. His studies led him to conclude that protein, especially from meat, was the only truly essential nutrient, with fats and carbohydrates playing only a supporting role. Though his theory was ultimately proven wrong, the idea stuck – helped along by Liebig’s role as an entrepreneur and a propagandist. He founded what some consider the world’s first global food company: a beef extract operation. Though the extract contained almost no actual protein, it was marketed as a tonic for soldiers and a solution to the nutritional needs of Europe’s industrial working class.
Liebig’s ideas were also deeply entangled with the racial and colonial politics of his time. High animal protein intake was framed as a marker of strength and superiority – and used to justify the expansion of colonial agriculture and the pathologizing of non-meat-eating cultures. The gap between scientific reality and nutritional messaging was there from the start. In 1974, a medical researcher named Donald McLaren published an article in the prestigious journal The Lancet called “The Great Protein Fiasco.
” It was a damning verdict on one of the most expensive, wasteful, and consequential errors in the history of nutrition science. The story begins in the early twentieth century, when colonial administrators in Africa began shifting focus away from famine and toward the “quality” of native diets. The underlying concern wasn’t humanitarian – it was economic. A well-fed workforce was a productive one, and colonial officials were eager to maximize the labor they could extract.
Nutrition science offered a convenient framework. A key turning point came when British pediatrician Cicely Williams, stationed in today’s Ghana, began documenting a mysterious wasting disease in children known locally as “kwashiorkor. ” She tentatively observed that protein deficiency might be involved – and the colonial medical establishment pounced, declaring that the developing world was facing a protein crisis. This framing proved both powerful and misleading. Rather than attributing malnutrition to poverty, disrupted food systems, and colonial extraction, researchers and policymakers treated protein as the central problem. After World War II, institutions like the FAO and WHO began investing heavily in solving the so-called “protein gap.
” For Western governments, this approach had a convenient side effect: it created a rationale for exporting surplus agricultural products, like dried milk, under the banner of nutritional aid. As the narrative gained momentum, it produced increasingly bizarre solutions. International agencies funded the development of cheap, high-protein foods, from oil-grown microbes to fish-protein concentrates and algae cultivated on sewage. These products were unpalatable and widely rejected. Yet the underlying assumption – that protein deficiency was the defining nutritional crisis – remained largely unchallenged. It wasn’t until the late 1960s and early 1970s that the foundation cracked.
Researchers in the Global South, along with a handful of Western scientists, demonstrated that malnourished populations weren’t lacking protein so much as calories. Diets sufficient in energy were generally sufficient in protein. In other words, the “protein gap” didn’t exist. The research had been shaped more by institutional momentum and grant funding than actual evidence. McLaren’s article crystallized this realization. Vast resources had been misdirected, while the true drivers of malnutrition – poverty and inequality – had gone inadequately addressed.
Every single day, a large cheese-processing plant produces over a million liters of liquid whey – a pale, protein-rich, intensely pungent substance that was once treated as waste. Today, whey is everywhere – protein shakes, bars, yogurts, and even beer. So how did whey go from toxic pollutant to nutritional superstar? The story starts with milk.
During World War II, American dairy farmers ramped up production to feed soldiers overseas. After the war ended, they were suddenly left with enormous surpluses that the market couldn’t absorb. Government interventions followed, including a 1946 law mandating every school lunch to include milk. But domestic milk consumption continued to decline. In response, the dairy industry pivoted toward cheese – a move that proved enormously successful. By 2016, Americans were consuming nearly triple the amount of cheese as they had in 1970.
The problem was that cheese production generates an enormous amount of leftover liquid: whey. For every kilogram of cheese produced, nine liters of whey are left behind. At first, the only answer to this whey surplus was to dump it into waterways. The results were ecologically catastrophic. Whey is roughly 175 times more potent than untreated human sewage, owing to its extremely high nitrogen content. This caused massive fish kills, contaminated soils, and waterways choked by runaway plant growth.
Environmental activists and eventually governments demanded action. So the dairy industry turned to its engineers and food scientists. What followed was a wave of technoscientific innovation in filtering, concentrating, and drying liquid whey into a stable powder that could be stored, shipped, and consumed by humans. The dairy industry loves to frame this transformation as a triumph. In narrow terms, it’s true. Whey protein powder is genuinely high in the amino acids the body needs, and it metabolizes quickly.
But the narrative also hides something important: the body can only use so much protein at once. The excess is excreted as urea, a nitrogen-rich compound that reenters water systems. In other words, the same nitrogen-dense substance that was poisoning rivers in the 1970s is still cycling through water systems today. The ecological burden of whey wasn’t eliminated – it was rerouted through human metabolism.
At a symposium in New Mexico in 1988, nutrition professor Irwin Rosenberg declared what he believed to be one of the most overlooked problems in medicine: the gradual loss of muscle mass in older people. He called the condition sarcopenia, from the Greek for “poverty of flesh,” and argued that it deserved the same serious scientific attention as osteoporosis or heart disease. The idea quickly took hold. An era of rising neoliberalism – with its emphasis on individual responsibility for health – proved receptive soil.
And an entirely new medical category, along with a multibillion-dollar market, was born. But the science of sarcopenia has never been as solid as its cultural prominence might suggest. Muscle mass naturally peaks in early adulthood and declines over time. This is a universal feature of aging, not necessarily a disease. Major reviews note that sarcopenia lacks agreed-upon diagnostic criteria or proven treatments, and a 2022 article in the British Medical Journal concluded there’s no evidence that a sarcopenia diagnosis improves health outcomes. Desp ite this uncertainty, sarcopenia has become highly productive, both scientifically and commercially.
The senior nutrition market was worth over $23 billion in 2022, with protein accounting for 40 percent of demand by nutrient type. Products once used primarily in hospitals for malnourished patients – like Nestlé’s Boost and Abbott’s Ensure – are now aggressively marketed to healthy older adults. Researchers use studies to justify further funding – but the institutions providing that funding often have a direct financial stake in the protein-based solutions being recommended. One widely cited study, for instance, calculated that sarcopenia costs the US health-care system over $40 billion per year in hospitalizations, and that a 10 percent reduction in prevalence would save over a billion dollars annually.
The lead author of this study was listed as a director at Abbott Nutrition, manufacturer of Ensure. What’s lost in this soup is everything that doesn’t fit the framework of individual decline and individual intervention. Social gerontologists argue that how we age is shaped far more by financial security, social connection, access to good food, and quality care systems than any individual’s supplement regimen. Sarcopenia reduces this complexity to a biochemical problem with a profitable nutritional solution.
When Aubrey Marcus wants to inspire his followers, he doesn’t talk about “exercise. ” “Exercise,” he says, “is for puppies and babies. ” What he prescribes instead is training, optimization, sovereignty – and a carefully curated stack of supplements to fuel it all. Marcus is a central figure in what might be called the “muscular manosphere,” a sprawling digital ecosystem of men’s fitness and self-improvement gurus.
This culture is a primary engine behind a protein supplement industry worth $21 billion globally, with men accounting for 70 percent of sales. But to understand protein’s role here, you have to look beyond economics to ideology – what protein represents for the men who consume it. At its core, the muscular manosphere is built around a narrative of masculinity under threat. Its leading voices frame their fitness and supplement regimens as responses to the erosion of traditional manhood. Their enemies vary depending on who’s talking, but the solution is consistent: take ownership of your body, train hard, eat right, and buy the right products. Many of the manosphere’s most visible figures – like Alex Jones and Joe Rogan – profit from supplement companies worth hundreds of millions.
Protein circulates through this network as a common language, linking participants through shared rituals of training and self-optimization. In its powdered form, stripped of visible origins, it appears clean, efficient, and controllable – the perfect fuel for a self-directed individual. It promises transformation: consume it, train hard, and your body improves; stop, and progress fades. This cycle mirrors a broader ideology of perpetual self-improvement. The politics embedded in this culture are rarely explicit – influencers often distance themselves from overt political labels. But the values they promote tell a clearer story.
Cultural theorist Jack Bratich’s concept of “microfascism” is useful here. Bratich argues that as neoliberalism enters crisis, it generates cultural formations built around fantasies of masculine self-creation, sovereignty, and renewal. These formations don’t always announce themselves as political, but they carry the logic of patriarchal dominance in their structure. The muscular manosphere fits this description closely. Most consumers aren’t consciously adopting the ideology of the muscular manosphere. But when the same algorithms that deliver workout tips carry broader messages about identity and power, the nutritional and the political become increasingly difficult to separate.
In 2024, the Florida legislature passed a law banning the sale of lab-grown meat. That same year, a Montana Republican candidate made a point of branding a calf on the campaign trail. And a best-selling book called The Eggs Benedict Option argued that animal protein is essential to defending Western civilization from feminism and globalism. Protein has officially been drafted into the culture war.
This strange transformation reflects protein’s unusual flexibility as an idea. It can stand for strength, purity, tradition, innovation, or survival, depending on who’s invoking it. Today, it sits at the center of two competing visions of the future. On one side is a meat-first populism that treats beef as a marker of freedom, masculinity, and national identity. On the other is a Silicon Valley-inflected alternative-protein futurism that promotes lab-grown meat and insect protein as solutions to environmental collapse. The ideological gulf is real, but both sides are operating within the same fundamental framework – one in which protein is the indispensable nutrient.
Meanwhile, the science that might anchor these debates remains unsettled. There is still no clear consensus on how much protein people actually need. A significant group of researchers argues that the official recommended daily allowance may underestimate protein needs by as much as 50 percent, particularly for older adults. Yet an equally significant group argues that the average American and Canadian already consumes too much protein, with consequences for kidney health, cancer risk, and environmental sustainability. The honest answer to the question “How much protein should I eat? ” is, frustratingly, “It depends.
” This conclusion satisfies no one, and the supplement industry has no interest in promoting it. In the end, what protein’s two-century biography reveals is that its cultural power has never primarily been about nutrition. It’s been about growth – of bodies, economies, empires, and markets – and about the promise of control. As the world grows more uncertain, protein is asked to offer something solid to hold onto, a supplement for a stable self in an unstable world. Whether it can deliver on that promise is another matter entirely. The main takeaway of this lesson to Protein by Samantha King and Gavin Weedon is that protein’s cultural importance has far less to do with clear nutritional science than with its shifting political, economic, and ideological uses.
Across history, protein has been repeatedly misinterpreted, commercialized, and weaponized – from colonial nutrition policy and industrial food waste to aging anxieties, fitness culture, and the manosphere. Meanwhile, the underlying science remains uncertain and often contested. What endures is protein’s symbolic power: a flexible, marketable idea that promises strength, control, and optimization in a world defined by instability, inequality, and competing visions of the future.
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