The Protein Myth: Why We Don’t Need as Much as We Think
- Heather Leigh
- Sep 30, 2024
- 2 min read

In today’s health-conscious world, protein has been elevated to almost mythical status. We’re bombarded with messages about the need for high-protein diets, protein shakes, and protein bars. But do we really need as much protein as we’re led to believe? The answer might surprise you.
The Marketing Machine Behind Protein
The idea that we need excessive amounts of protein is largely driven by marketing from companies that profit from protein-based products. According to Garth Davis, MD, author of Proteinaholic, the notion that we need more protein is one of the worst pieces of advice given to the public. Most Americans already consume nearly twice the recommended daily intake of protein, which is 56 grams for men and 46 grams for women.
The Science Says Otherwise
In 2013, the Journal of the Academy of Nutrition and Dietetics published a study comparing the nutrient intake of over 71,000 non-vegetarians, vegetarians, and vegans. The study found that all groups met or exceeded their protein requirements, debunking the myth that plant-based diets are deficient in protein. T. Colin Campbell, PhD a renowned nutrition researcher, also emphasizes that plant-based proteins are sufficient for our dietary needs and come with additional health benefits.
Athletes and Protein
Even athletes, who are often thought to need significantly more protein, can meet their needs through a balanced diet. Matt Frazier, author of The No Meat Athlete, highlights that plant-based diets can provide all the necessary protein for athletic performance. The Forks Over Knives guide for vegan athletes also supports this, showing that plant-based proteins are not only adequate but beneficial for overall health.
The Real Risks of Excessive Protein
Consuming too much protein, especially from animal sources, can have adverse health effects. High protein intake has been linked to kidney damage, liver issues, and an increased risk of heart disease and cancer. Walter Willett, chairman of the department of nutrition at the Harvard T.H. Chan School of Public Health, warns that high protein intake is one of the fundamental processes that increase the risk of cancer.
Conclusion
The myth that we need excessive amounts of protein is just that—a myth. It’s a narrative driven by marketing rather than science. Protein is not the sole essential nutrient in our diet. Carbohydrates and fats are also vital for maintaining a balanced and healthy body. Additionally, micronutrients, including vitamins and minerals, are crucial for supporting our immune system and overall health. They are essential for energy production, immune defense, and cellular repair, making them fundamental to sustaining optimal health.
By focusing on a balanced diet rich in plant-based foods, we can meet all of our macro and micronutrient needs and enjoy better health. So next time you reach for that protein bar, remember: you might not need it as much as you think.
: Garth Davis, MD, Proteinaholic : Forks Over Knives : Journal of the Academy of Nutrition and Dietetics, 2013 : T. Colin Campbell, PhD : Matt Frazier, The No Meat Athlete : Nutritionfacts.org : Walter Willett, Harvard T.H. Chan School of Public Health