L-Threonine pure powder comforms to USP quality standard.
There is not any additive or filler inside.
White powder, bitter taste, soluble in water.
Bulk Ingredient for food additive, formulation, R&D, cosmetic product, or any other proper use purpose.
Fresh, 1 to 1.5 years shelf life available. Store in tightly closed container at cool and dry place, keep away from strong light and heat.