L-Selenocystine-5g$600.00 L-Selenocystine Product Catalog # Size Price (USD) Quantity L-Selenocystine-5g 350321-5G 5 g $600.00 - L-Selenocystine-5g quantity + For more size options, please click: L-Selenocystine Add to cart Additional information Additional information Weight 0.005 kg Size 5 g For Research & Development use only. Not for testing and/or use on humans.