D. Salina Including other Naturally Occuring Carotenoids such as Zeaxanthin, Cryptoxanthin, Lutein and Alpha Carotene. Solgar´s 100% Natural Beta Carotene Softgel Capsules provide a source of natural carotenoids from D. Salina, an oceanic single cell algae. Ingredients:Each softgel capsule of Solgar Oceanic Beta-Carotene provides: Natural Source Mixed Carotenoids (as D. Salina prep, olive oil) - 37mgProviding: Beta Carotene - 7mgAlpha Carotene - 259ugOther Carotenoids (cryptoxanthin, zeaxanthin, lutein) - 148ugEncapsulated with these natural ingredients:Safflower oil, water soluble wax, yellow beeswax. Softgel capsule shell:gelatin, glycerin. Directions: As a food supplement for adults, one (1) softgel capsule daily, preferably at mealitme, or as directed by a healthcare practitioner. Do not exceed directions for use.