Our L-Ergothioneine drops deliver 11.6mg per serving of the antioxidant compound, with a total of 700mg in each bottle. Our refreshing dropper is crafted to fortify cellular defense against oxidative stress, thereby promoting vitality. Proudly made in the USA, Neurogan Health ensures a vegan, additive-free & dairy-free product. Our family business stands behind every high-potency, lab-tested bottle, produced in a cGMP-certified facility to support your journey to looking younger.