Protein has garnered significant attention in health circles, with influencers advocating high-protein diets for weight loss and muscle gain. Social media platforms like TikTok showcase numerous videos about achieving a protein goal of 200 grams daily, equivalent to more than seven servings of cooked steak. Many products, including powders, bars, and yogurt, have flooded the market to promote increased protein intake. Despite this surge in popularity, scientific evidence surrounding high-protein diets remains inconsistent, prompting researchers to explore who truly benefits from protein supplementation.
The concept of macronutrients - carbohydrates, fat and protein - had just been introduced when one of the first scientists to study them, German chemist Justus von Liebig, launched a product called Liebig's Extract of Meat as a cheap substitute for the real thing.
Despite the hype, the scientific evidence supporting the protein craze is mixed, and researchers are still examining who might benefit most from protein supplements.
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