Source Naturals L-Leucine 500mg - 240 CapsulesSource Naturals L Leucine provides 500mg of this essential branched chain amino acid (BCAA) in free form capsules. Each bottle contains 240 capsules offering a convenient way to supplement with this fundamental amino acid that the body cannot produce on its own. The product is formulated to be free from common allergens including yeast, dairy, egg, gluten, corn, soy, and wheat. L Leucine is classified as a branched chain amino acid and plays a role in