NuSci 100% pure Alpha Lipoic Acid Powder , R,S-ALA 250g (8.8 oz) USP Skin care
There is not any additive or filler inside. Manufacturer assayed as >99% with HPLC. It is fresh enough for use. There is 1.5 to 2.5 years shelf life available. Alpha lipoic acid (ALA) is an antioxidant that is produced in the human body.