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Astaxanthin is a red pigment that belongs to a group of chemicals called carotenoids. It occurs in certain algae and causes the pink-red color in salmon.

Astaxanthin is an antioxidant. This effect might protect cells from damage. Astaxanthin might also improve the way the immune system functions.

People use astaxanthin for many purposes, including Alzheimer disease, athletic performance, aging skin, muscle soreness from exercise, and many others. But there is no good scientific evidence to support these uses.

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When taken by mouth: Astaxanthin is found in some foods and is often consumed in small amounts in the diet. Astaxanthin is possibly safe when taken as a supplement. Doses of 4-18 mg daily have been used for up to 12 weeks. Taking astaxanthin might cause increased bowel movements and red stool color. High doses of astaxanthin might cause stomach pain.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There isn't enough reliable information to know if astaxanthin is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid using in amounts greater than those found in foods.

There are no known interactions with medications. Before taking this product, talk with your health professional if you take any medications.

Carotenoids: Other carotenoid supplements may decrease the absorption of astaxanthin. Carotenoids include astaxanthin, beta-carotene, canthaxanthin, lutein, and lycopene.

There are no known interactions with foods.

Astaxanthin has most often been used by adults in doses of 4-18 mg by mouth daily for up to 12 weeks. Speak with a healthcare provider to find out what dose might be best for a specific condition.

Astaxanthine, Astaxantina, Dihydroxy-3,3' dioxo-4,4' bêta-carotène, Microalgae, Microalgue, Micro-Algue, Ovoester, 3,3'-dihydroxy-4,4'-diketo-beta-carotene, 3S,3'S-astaxanthin, 3R,3'R-astaxanthin, 3R,3'S-astaxanthin.

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