DoNotAge Pure Resveratrol Capsules comes with the DoNotAge Quality Guarantee. This means that we guarantee the purity and quality of this product to your door, no matter where you live. There are no endotoxins in this product. DoNotAge products contain pure ingredients, unlike many others we don't add fillers, flavourings or additives. Our ingredients come in the purest form. DoNotAge Pure Resveratrol contains 500mg pure trans-resveratrol, which is used to activate sirtuins in the body. Resveratrol is a antioxidant found naturally in grapes, apples, blueberries, plums, peanut and red wine. Resveratrol has similar effects on your body as a calorie-restricted diet, it helps reduces your blood pressure and protects your arteries and supports a healthy brain. Why DoNotAge? Our products are manufactured and tested in the USA in a GMP certified facility. Brand reputation built on trust - all our products are 3rd party tested by a laboratory in CA. We are the worlds first health research organization we reinvest our profits in scientific studies and trials to fight the effects of ageing.