L-Ergothioneine is a naturally-occurring amino acid thats both exceptional and rare. Why Because as a potent intracellular antioxidant, it reaches the very core of your cells where it can do the most good. Researchers are calling L-Ergothioneine a longevity vitamin. Thats because they theorize that taking these longevity vitamins along with an improved diet may help reduce common health issues associated with aging.* Found in mushrooms, black and red beans and certain meat products, this supplement may just be the next big nutrition breakthrough youve been looking for to support healthy aging and combat oxidative stress.*