HerbalFactors® Grape Seed Phytosome 50 mg by Natural Factors $24.29 60 Capsules - $24.29 Size 60 Capsules 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Grape Seed Phytosome is the result of a unique, patented process that binds grape seed and key actives to phosphatidylcholine (soy lecithin) resulting in superior bioavailability.