100% Ascorbyl Tetraisopalmitate. Made In Tawain 1Kg Fat Soluble Vitamin C. Unopened. Sealed. Dark glass bottle. Stored cool. Expiration 05.2024 I have (4) 1 kilogram bottles available in storage. Selling super cheap since they are “expired.” Paid over $800 each direct from the distributor. The company provided an updated expiration adding an additional year to the label, so this product should be good for at least another year or two after opening. The listing is for one bottle. The bottle is 1 Kilogram. (Approx 35 Ounces).