What you need to know about


An amino acid formed from methionine and serine in the liver (B6, B9, and B12 are needed). It is a component of glutathione (one of the most important antioxidants in the body) and is required in the formation of co-enzyme A and taurine. This amino acid can become essential under specific circumstances.

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Food sources

Food & drink sources

Here are the foods and drinks where this micronutrient is found.

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