Function: Metabolism Ingredients: Astaxanthin Directions: Take two(2)capsules once daily Shipping: Within 48 hours on weekdays Shelf life: 2 years Astaxanthin is a naturally occurring supplement with a unique structure that is considered to be an effective free radical scavenger. Because astaxanthin can freely cross the blood-brain barrier and blood-retinal barrier, it can neutralize free radicals in the eye and central nervous system. Astaxanthin supports a healthy and balanced immune system response. Product Note: Exposure to heat or sunlight may lead to melting/damage of product.