From the limited research in humans, most have focused on supplemental forms of the compound, in concentrations higher than those you could get through food. It appears to be effective at protecting the heart and blood flow, and may be an insulin sensitiser.
It is well known for allegedly increasing lifespan, and it might. Resveratrol may help fight the ageing process and boost your overall health as you age. Discovered in 2003, resveratrol is the polyphenol that has been long theorized to have anti-aging effects leading people to believe drinking a bit of wine every day may increase longevity. It triggers epigenetic changes that may delay aging and increase your energy levels.
It can, however, protect humans from heart disease and insulin resistance and may extend life by that mechanism. Resveratrol is most commonly used for high cholesterol, cancer, heart disease, and many other conditions. Combining resveratrol with Nicotinamide mononucleotide (NMN) creates a synergistic increase of effectiveness from both molecules.