trunature Grapeseed with Resveratrol Capsules – 300 Counttrunature Grapeseed with Resveratrol capsules contain a blend of grape derived ingredients including grape seed extract, grape skin extract, and grape juice extract. Each serving provides 333 mg of grape seed extract standardized to 90% polyphenols, along with 75 mg of grape skin extract and 25 mg of grape juice extract. The bottle contains 300 capsules. Suggested use: Adults take two capsules daily with food.