Still enjoy an active lifestyle as you\'re getting older? Resveratrol, or Polygonum cuspidatum root extract, is a polyphenol naturally found in the skin of red grapes, certain berries, and other plants. Popular in products that target people as they age, each capsule from Swanson Health is packed with 250mg of resveratrol. Take any time during the day as part of a well-balanced diet. Still enjoy an active lifestyle as you\'re getting older? Resveratrol, or Polygonum cuspidatum root extract, is a polyphenol naturally found in the skin of red grapes, certain berries, and other plants. Popular in products that target people as they age, each capsule from Swanson Health is packed with 250mg of resveratrol. Take any time during the day as part of a well-balanced diet. 250mg of resveratrol per capsule. Consume as part of an active lifestyle. 30 capsules per pack Ultra Resveratrol 250 contains Resveratrol, an extract taken from Chinese herbs. Want to learn more about this supplement? Click here!