Synonym: SeMet Molecular Formula: C5H11NO2Se Molecular Weight: 196.11 Purity: 99% HPLC Appearance: White to off-white powder Function: 1. Increase sperm motility; 2. Enhance antioxidant capability and optimize immune system; 3. Anti-tumor and cancer prevention; 4. Combine with heavy metals such as Hg, Pb and As, and eliminate their potential danger to human health. Storage: Well sealed in cool and dry place. Shelf Life: 24 months.