How much protein do you actually need?

"Boosting protein intake may seem like sensible health advice, but while it is a key nutrient, according to the science we may not need as much as is often thought. Protein-fortified foods are a common sight nowadays. You can even find water with added protein. Many fitness influencers also promote diets with more than double the typical recommendations. But how much protein humans need has been a puzzle for centuries."

"So, what does the science actually say? Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday."

Boosting protein intake appears sensible, but available scientific evidence indicates humans may not require as much protein as often assumed. Protein-fortified foods, protein-added water, and widely marketed supplements have become common consumer products. Many fitness influencers promote diets providing more than double typical recommended amounts of protein. Estimates of human protein needs have varied and remained uncertain for centuries, prompting renewed examination of actual requirements. Clearer, evidence-based guidance on optimal protein intake for different populations remains important to align dietary practices with true physiological needs.

Read at Nature