NOW - Astaxanthin - 4 mg - NPN : 80042155Astaxanthin is a naturally occurring carotenoid with a unique structure that is known to be a potent free radical scavenger. Because Astaxanthin freely crosses the blood-brain and blood-retina barriers, it can neutralize free radicals in the eye and central nervous system. Scientific studies also demonstrate that Astaxanthin can support the body’s healthy and balanced immune system responses.DIRECTIONS & USEAdult Dosage: Take 2-4 Softgels daily with meals.CAUTIONS & NOTESConsult a health care practitioner for use beyond 3 months. Consult a health care practitioner prior to use if you are taking prescription medication or other dietary supplements. Do not use if you are pregnant or breastfeeding. Stomach/Abdominal pain has been known to occur, in which case; discontinue use and consult a health care practitioner.INGREDIENTSAstaxanthin (Haematococcus pluvialis Microalgae Extract)  4 mgNon-Medicinal Ingredients: Organic Extra Virgin Olive Oil, Capsule (gelatin, purified water, glycerin) and Natural Vitamin E.