L-histidine is one of the 10 essential amino acids for infants. Most lists of amino acids classify L-histidine as an essential amino acid; however, it has never been clear if L-histidine is an essential amino acid for adults. Even though L-histidine is synthesized by the body, sufficient quantities may not be made to meet the physiological requirements imposed by certain stress or disease situations.
L-histidine plays a key role in production of red and white blood cells. It has been reported that rheumatoid arthritis sufferers have abnormally low blood levels of L-histidine. A pilot clinical study with RA patients show mixed results but still enough to warrant further research.
L-histidine is manufactured by fermentation from carbohydrate sources. Ajinomoto manufactures L-histidine under cGMP conditions; no raw materials of animal origin are used in the manufacturing process. A Drug Master File for L-histidine is on record at the FDA. L-histidine meets USP and EP standards.
||(S)-2-Amino -1H-imidazole-4 -propionic Acid|
||98.5 to 101.0%|
||Soluble in water|
||White crystals or crystalline powder; slightly bitter taste|
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