L-Isoleucine is an essential amino acid. L-Isoleucine Pure Powder 1000 g (1.0 Kg, 35.2 oz), complies with US Pharmacopeia (USP) quality standard. There is not any additive or filler inside. Assay ≥ 99%. White crystalline powder, slightly bitter taste, sparingly soluble in water. Store in cool and dry place, keep away from strong light and heat. New, pure and fresh, 1 to 1.5 years shelf life available. Pure ingredient for consumption, formulation, food additive, health product R&D (research and development), or any other proper purpose. Item Form Powder Brand Name NuSci Unit Count 35.274 Ounce Dosage Form Powder Item Weight 1000 Grams Manufacturer NuSci Number of Items 1 Age Range Description Adult Manufacturer Part Number L-Isoleucine-1000