Riboflavin (Vitamin B2) BulkSupplements.com Sale! from $1,051.88 USD /per Size 25 Kilograms (55 lbs) 1 Kilogram (2.2 lbs) 500 Grams (1.1 lbs) 250 Grams (8.8 oz) 100 Grams (3.5 oz) 50 Grams (1.8 oz) Produc variants 25 Kilograms (55 lbs) 1 Kilogram (2.2 lbs) - Sold Out 500 Grams (1.1 lbs) 250 Grams (8.8 oz) 100 Grams (3.5 oz) 50 Grams (1.8 oz) Qty. Add to Cart Couldn't load pickup availability Refresh Assay: NLT 96.5% (dry basis) Solvent: None Source: