Key points from article :
Excessive consumption of branched-chain amino acids (BCAAs) increases the risk of obesity and reduces lifespan.
Supplements containing high levels of BCAAs are popular in the fitness industry.
Effects of excessive BCAA intake on mice were investigated.
Low serotonin levels were seen in mice that were fed double the normal amount of BCAAs.
They became obese and their lifespans shortened.
Therefore amino acid balance in the body is important to lead a healthy life.
Researchers recommend a healthy, balanced diet that includes various protein sources to get essential AAs.
Study by University of Sydney, published in Nature Metabolism.
