Fitness supplements may harm liver, warns expert; here are key mistakes to avoid

With the growing popularity of fitness trends on social media, many people are increasingly relying on protein powders, fat burners, and pre-workout supplements to achieve quick results. However, medical experts are now warning that improper or excessive use of such supplements may seriously harm liver health.

According to Dr. Yashavanth H S, consultant in medical gastroenterology at Manipal Hospital, Yelahanka, every food or supplement consumed by the body is processed through the liver. As a result, excessive or unregulated intake can place significant stress on this vital organ and may lead to long-term complications.

Supplements often unregulated

Doctors highlight that many over-the-counter fitness supplements are not strictly regulated like prescription medicines. In many cases, the full list of ingredients is not clearly disclosed, raising concerns about potential liver toxicity.

Excess protein intake can be risky

Protein has become a major focus in modern fitness culture, especially for muscle growth and recovery. However, experts warn that consuming protein beyond the body’s requirement—particularly through supplements—can negatively affect both the liver and kidneys.

Dr. Yashavanth noted that excessive protein intake may create metabolic stress over time, especially when the body does not require it. He recommends prioritising natural food sources over supplements whenever possible.

Fat burners and pre-workout supplements under scrutiny

Fat burners and pre-workout products are widely used for quick weight loss and enhanced performance. However, specialists caution that certain ingredients in these products may cause liver inflammation or toxicity, particularly when taken in high doses or combined with other supplements.

Dangers of “stacking” supplements

A growing fitness trend involves “stacking” multiple supplements together to accelerate results. Doctors warn that combining various products without professional guidance can significantly increase the risk of liver damage, especially if sourced from unreliable manufacturers.

Early warning signs of liver problems

Liver issues often develop silently in the early stages. However, certain symptoms should not be ignored:

Persistent fatigue

Loss of appetite

Nausea or abdominal discomfort

Yellowing of skin or eyes (jaundice)

Dark urine

Sudden weight changes

Experts emphasize that ignoring these signs can delay diagnosis and worsen the condition.

Experts advise caution

Medical professionals strongly advise against self-prescribing supplements based on trends or peer influence. They recommend prioritising balanced, natural diets and consulting healthcare professionals before starting any supplement regimen.