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A carotenoid pigment found in some algae and seafood. Also called: Astaxanthin What it does A carotenoid pigment found in some algae and seafood. How supplementation is approached Astaxanthin is an antioxidant pigment, not an essential vita…

…d. Symptoms are not evidence that you need this supplement. Food sources Usually encountered as an herbal preparation or concentrated extract, rather than a source of an essential nutrient. Supplement forms Astragalus root preparations diff…

…d. Symptoms are not evidence that you need this supplement. Food sources Açaí pulp, puree and unsweetened frozen fruit. Supplement forms Açaí fruit, juices and concentrated powders differ in fiber, sugar and extract concentration. What to t…

…d. Symptoms are not evidence that you need this supplement. Food sources Carrots, sweet potatoes, pumpkin and dark leafy greens. Supplement forms Beta-carotene appears in some single-ingredient and multivitamin products. What to track and r…

…eck the full ingredient list before adding another product. Food sources Cooked eggs; nuts; seeds; fish; meats. Supplement forms Biotin (vitamin B7). What to track and reassess Tell the laboratory and clinician about biotin before blood tes…

…a claim that the two nutrients cannot be absorbed together. Food sources Milk; yogurt; calcium-set tofu; fortified plant drinks; canned fish with edible bones; kale. Supplement forms Calcium carbonate and calcium citrate. What to track and …

…d. Symptoms are not evidence that you need this supplement. Food sources Camu camu fruit and fruit powder. Other vitamin C-rich fruits do not contain camu camu. Supplement forms Camu camu powders can contribute vitamin C, but the amount dep…

…, and these disorders require specific clinical evaluation. Food sources Meat, fish and dairy; the body also makes carnitine. Supplement forms L-carnitine, L-carnitine L-tartrate and acetyl-L-carnitine are different preparations; match the …

…d. Symptoms are not evidence that you need this supplement. Food sources The body makes catalase. Enzyme-containing foods have not been shown to replace intracellular catalase. Supplement forms Enzyme-containing products are marketed as sup…

…ency in this botanical or compound. Chlorophyll-containing foods and chlorophyllin supplements are not the same preparation. What symptoms can—and cannot—tell you There is no established dietary deficiency syndrome for this specific botani…

…a prominent part of his membrane and bile-support approach. Food sources Eggs; liver; fish; soybeans; poultry; beans. Supplement forms Choline bitartrate and phosphatidylcholine are examples. A question to bring to your visit Is the plan ad…

…d. Symptoms are not evidence that you need this supplement. Food sources Meat, whole grains and some vegetables; amounts vary. Supplement forms Chromium picolinate and chromium chloride are examples. What to track and reassess Review glucos…