Supplement catalog

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N-acetylcysteine (NAC) is a derivative of the amino acid cysteine. This page reviews oral supplementation studies for training-related goals.

Aloe vera is a plant; inner gel, gel powder, sterols and topical products differ in composition and use.

Alpha-galactosidase is a digestive enzyme that breaks down certain oligosaccharides in legumes and other foods.

Arginine is an amino acid. L-arginine and the AAKG complex have different compositions; products containing amino-acid mixtures are considered…

Astaxanthin is a carotenoid. The amount of astaxanthin itself and the extract composition matter when comparing products.

Oats (Avena sativa) are used as a food grain, a source of β-glucan and raw material for green herb extracts. These products differ.

Bacillus coagulans, also known as Weizmannia coagulans, is a spore-forming bacterium. Results depend on the exact strain and product composition.

Bacillus subtilis is a spore-forming bacterium used in some food starter cultures and supplements. This page covers specific strains and everyday…

Beta-alanine may increase time to exhaustion in some intense laboratory tests after several weeks of use. Improvements have also been observed in…

Bifidobacterium longum is a bacterial species. NCC3001, 1714, BB536 and other strains have different studied properties.

Alpha-linolenic acid (ALA) is an essential plant-derived omega-3 fatty acid. It should not be confused with alpha-lipoic acid.

Magnesium is an essential mineral. This page shows which effects of a separate supplement have been tested in people and what is known about forms,…

Vitamin B12 is necessary for normal bodily functions. Reliable food sources and supplements are especially important with a fully plant-based diet.

Ashwagandha root extracts may reduce stress and anxiety and improve sleep. A specific extract may reduce fatigue in adults with existing complaints;…