Astaxanthin Black" typically refers to specialized commercial antioxidant supplements—such as those produced by FREZZOR—which blend natural red astaxanthin with proprietary dark or black super-antioxidant and nootropic fruit/plant extracts like UAF1000+. Key DetailsCore Ingredient: Natural astaxanthin, a powerful carotenoid pigment and free-radical fighter.The "Black" Component: Named for added dark-colored or proprietary antioxidant blends (including fruit extracts, pine bark, or marine extracts) that turn the formula or capsule a dark, near-black appearance.Typical Doses: Often sold in 12mg daily serving sizes.