Our L-Ergothioneine supplement is your secret to feeling young. It's packed with an ingredient called L-Ergothioneine, which is 100% naturally derived from Shiitake & Oyster mushrooms. This isn't just any amino acid; it's a special kind your body can't make. Not only is it fantastic at guarding your cells, but it may also support cognitive health, decay stress levels, & help counteract aging. You get 5mg L-Ergothioneine in each tablet. Crafted with care from our family business in San Diego, our cGMP certified, potent & vegan tablets are designed to ensure your body gets all the longevity benefits.