Protein
Samantha King and Gavin Weedon
Duke University Press

Protein has become a cultural phenomenon, highlighted when TV personality Khloé Kardashian advertised protein popcorn on the same day I heard comedian Stephen Merchant discuss its importance on his podcast.

Vital for health, protein contributes to muscle building, infection control, and hormone regulation. While it doesn’t surpass carbohydrates and fats in importance, it’s a key player in contemporary wellness trends. It’s timely that the book Protein: The Birth of a Nutritional Superstar has been released.

The authors, sociologists Samantha King from Queen’s University in Ontario and Gavin Weedon from Nottingham Trent University, explore the cultural obsession with protein. However, their analysis often lacks direct answers for readers’ pressing questions.

Instead of diving right into the popular protein discourse, they start with foundational knowledge about amino acids and even the etymology of the protein term. Examining protein’s rise, they note its broad appeal: promoting fitness for Millennials and Gen Xers, providing energy for baby boomers, and preventing muscle loss in seniors.

<p>Both generational groups seem particularly targeted by protein marketing. King and Weeden suggest Millennials are influenced by the "manosphere," where fitness training acts as a remedy for diminished masculinity. Conversely, older adults view protein as a political and economic strategy to mitigate health expenditures related to sarcopenia, or the age-related decline in muscle mass.</p>
<p>While these points hold some merit, they often feel abstract. King and Weeden provide insufficient evidence to substantiate their arguments.</p>
<p>Interestingly, many individuals keen on protein—like those consuming protein bars—are unlikely to be protein deficient. As a health journalist, I've observed that achieving adequate protein intake in high-income nations with a diet of 2000-2500 calories daily is generally straightforward. The <a href="https://www.nutrition.org.uk/nutritional-information/protein/">UK's current dietary guidelines</a> recommend 0.75 grams of protein per kilogram of body weight; easily achievable through a few nutritious snacks and meals. For active individuals, this intake should be increased.</p>
<p>My hope is that readers will engage with <i>Protein</i> to determine whether existing guidelines warrant reconsideration. Questions remain—should protein intake adjust over a lifetime or menstrual cycle? Is excessive protein consumption harmful? What vegan options provide optimal protein?</p>
<p>Research regarding these concerns remains sparse and often contradictory. Excess protein intake leads to breakdown and excretion through urine, suggesting that indulging in protein popcorn might simply result in a trip to the restroom. Additionally, studies indicate that <a href="https://www.science.org/doi/10.1126/scitranslmed.3005218">excessive long-term protein consumption</a> can strain kidneys and elevate heart disease risks.</p>
<p>The book <i>Protein</i> could greatly benefit from further exploration of these topics. Perhaps sociologists aren't best equipped to tackle nutritional inquiries. However, the release at a moment when dietary protein is under scrutiny means many readers will likely close the book still pondering, "How much protein do we really need?"</p>

<h2><em><strong>Two Additional Insightful Books on Nutrition</strong></em></h2>

<p><i>
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            <img class="Image" alt="Book Cover - Off the Scale: The Inside Story of Ozempic and the Obesity Treatment Race" width="312" height="468" src="https://images.newscientist.com/wp-content/uploads/2026/03/09124912/SEI_287659660.jpg" srcset="https://images.newscientist.com/wp-content/uploads/2026/03/09124912/SEI_287659660.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2026/03/09124912/SEI_287659660.jpg?width=400 400w, https://images.newscientist.com/wp-content/uploads/2026/03/09124912/SEI_287659660.jpg?width=500 500w" sizes="(min-width: 1288px) 837px, (min-width: 1024px) calc(57.5vw + 55px), (min-width: 415px) calc(100vw - 40px), calc(70vw + 74px)" loading="lazy" data-image-context="Article" data-image-id="2518621" data-caption="" data-credit=""/>
        </div>
    </figure>
</i></p>
<p>
    <a href="https://harpercollins.co.uk/products/off-the-scales-the-inside-story-of-ozempic-and-the-race-to-cure-obesity-aimee-donnellan"><i><strong>Off the Scale</strong><br/></i></a>by Amy Donnellan
</p>
<p>Reuters columnist Donnellan advocates for a shift in how we perceive obesity, highlighting the potential of GLP-1 drugs like Ozempic in combating associated stigma.</p>

<p>
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            <img class="Image" alt="Book Cover - Ferment by Tim Spector" width="312" height="468" src="https://images.newscientist.com/wp-content/uploads/2026/03/09124925/SEI_287659579.jpg" srcset="https://images.newscientist.com/wp-content/uploads/2026/03/09124925/SEI_287659579.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2026/03/09124925/SEI_287659579.jpg?width=400 400w" sizes="(min-width: 1288px) 837px, (min-width: 1024px) calc(57.5vw + 55px), (min-width: 415px) calc(100vw - 40px), calc(70vw + 74px)" loading="lazy" data-image-context="Article" data-image-id="2518622" data-caption="" data-credit=""/>
        </div>
    </figure>
</p>
<p>
    <i><a href="https://www.penguin.co.uk/books/457755/ferment-by-spector-tim/9781787334656"><strong>Ferment</strong></a><br/></i>by Tim Spector
</p>
<p>Spector, founder of ZOE nutrition, effectively discusses the advantages of incorporating fermented foods into the diet without pushing his products.</p>

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    <p class="ArticleTopics__Heading">Topics:</p>
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