Gluten Free Vegan Veggie Caps Supports Cellular Rejuvenation Dietary Supplement L-Carnosine is a dipeptide that is found in the brain, heart, skin, muscles, kidneys and stomach that supports healthy aging and cellular rejuvenation. L-Carnosine optimizes healthy cell function and promotes anti-aging by neutralizing free radicals thereby functioning as an antioxidant, including in brain and nerve cells.