The Real OPCs in Proanthenols are 100% bioavailable and residue-free. Proanthenols® 100. Lifeplus’ Real OPC is an 100% bioavailable, residue-free. Lemon Bioflavonoids Whole Fruit Powder 260 mg . INGREDIENTS: CytoFlav-C blend (Lemon Bioflavonoids Whole Fruit Powder, Hesperidin (from. ).
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