Grandma's Leucine
Essential Amino Acid Guide

photo of field of wheat with heart cut out and ingraved photo of a bowl of mixed nuts a natural source of leucine photo of a pile of dried brown rice a natural source of leucine

Leucine is an essential amino acid and one of the branched-chain amino acids (the others are isoleucine and valine ). These work together to protect muscle and act as fuel. They promote the healing of bones, skin, and muscle tissue, and are recommended for those recovering from surgery. Leucine also lowers elevated blood sugar levels, and aids in increasing growth hormone production.

Natural sources of leucine include brown rice, beans, meat, nuts, soy flour, and whole wheat.

Supplemental L-leucine must be taken in balance with L-isoleucine and L-valine, and it should be taken in moderation, or symptoms of hypoglycemia may result. An excessively high intake of leucine may also contribute to pellagra, and may increase the amount of ammonia present in the body.


The statement's made here have not been approved by the Food and Drug Administration. These statements are not intended to diagnose, treat or cure or prevent any disease. This notice is required by the Federal Food, Drug and Cosmetic Act.


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