life. We saw increases in maximum lifespan, too—on resveratrol, they kept going past 35. We tested resveratrol in yeast cells with no SIR2 gene, and there was no effect. We tested it on calorie-restricted yeast, and saw no further increase in lifespan, suggesting that the same pathway was being activated; this was how calorie restriction was working.
Resveratrol on sirt-2
