Biotin-NHCH2CH2-SS-Pyr-500mg$650.00 Biotin-NHCH2CH2-SS-Pyr Product Catalog # Size Price (USD) Quantity Biotin-NHCH2CH2-SS-Pyr-500mg 271402-500MG 500 mg $650.00 - Biotin-NHCH2CH2-SS-Pyr-500mg quantity + For more size options, please click: Biotin-NHCH2CH2-SS-Pyr Add to cart Additional information Additional information Weight 0.0005 kg Size 500 mg