Potential health hazards associated with a high-protein diet - key facts
Olivia Davis
2026-03-23
8 min. read
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A diet where protein constitutes more than 20% of daily energy needs is becoming increasingly popular. Usually chosen by athletes, it is now also increasingly selected by those wishing to lose weight or even those who do not lead an active lifestyle and have an appropriate body weight. The growing popularity of protein in the diet is further fueled by the wide availability of protein products. The importance of protein in nutrition and its positive effects on the body are often discussed. However, it is often overlooked that an excess of anything, including protein, can have detrimental effects on health.
What functions does protein perform in the body
Proteins are indispensable components that build the body, enabling it to regenerate properly, grow, and repair tissues. Additionally, they fulfill the role of enzymes that catalyze all biochemical reactions, allowing metabolic processes such as digestion or energy production to take place. Proteins are also molecules that transport various substances in the body, such as mineral compounds or oxygen in the form of hemoglobin. Some proteins act as hormones, such as insulin, which regulates blood sugar levels. Proteins also participate in immune processes, fighting pathogens and protecting the body from infections (Arantz-Lantz et al., 2015).
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