[header] How to best absorb grapeseed extract [title] Purchase a supplement that includes ingredients that are 80 percent proanthocyanidins. [step] This level ensures your supplement will provide activity within your body that results in antioxidant behavior. Antioxidants are used to improve many body functions, including heart health. 
[title] Consume the grapeseed extract with your other vitamins or supplements that you already take. [step] Grapeseed extract is known to work well with other natural supplements and vitamins to enhance their effectiveness in your body.