L-Methionine

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L-Methionine is a protein amino acid. It is classified as an essential amino acid. The recommended daily L-methionine intake is 13 mg per kg or about one gram daily for adults. Actual intake is higher. This is principally derived from dietary proteins. Rich sources of L-methionine include cheeses, eggs, fish, meat and poultry. L-methionine is also found in fruits and vegetables, but not as abundantly. Small amounts of free L-methionine occur in vegetables, vegetable juices and fermented foods.

In addition to its role as a precursor in protein synthesis, L-methionine participates in a wide range of biochemical reactions, including the production of S-adenosylmethionine (SAM or SAMe), L-cysteine, glutathione, taurine and sulfate. SAM itself, as a methyl donor (see SAMe), is involved in the synthesis of creatine, epinephrine, melatonin and the polyamines spermine and spermidine, among several other substances. This supplied as a bulk product.

Smaller amounts may be available from: www.TradeIngredients.com

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