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L-tryptophan is an essential amino acid formed from protein during digestion by proteolytic enzymes. Tryptophan can only be obtained through food and cannot be produced within the body.

Tryptophan helps support relaxation, restful sleep, and positive mood. It plays a part in the synthesis of melatonin and serotonin. 

As an essential amino acid, L-Tryptophan also supports immune functions because it helps to regulate immunity. L-tryptophan converts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system. In the body, tryptophan is converted into 5-HTP, which then can be converted into serotonin (a potent neurotransmitter in the brain).

Tryptophan then is a precursor for serotonin (a neurotransmitter) and melatonin (a neurohormone). Serotonin is involved in mood, appetite, and sleep and impulse control. This makes it easy for tryptophan to enter the brain to make serotonin, which influences the brain in regulating food intake and sleep patterns.

Normal aging results in a reduction of tryptophan. Our brain needs to make serotonin.

A serotonin deficiency can result in unwanted weight gain, mood swings, and disturbed sleep. Restoring tryptophan is often difficult in aging humans because it is rapidly degraded by pro-inflammatory cytokines.

For more information including directions, dietary source, deficiency, benefits/functional use, dosage/toxicity, possible cautions/warnings, side effects, and health research overview, on L-tryptophan See Burt's Remedies Glossary on L-tryptophan.



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The information on this website is not intended to replace a one-on-one relationship with your physician or a qualified health care professional and is not intended as medical advice. It is intended as a sharing of knowledge and information from the research of Burt's Remedies. Burt's Remedies encourages you to make your own health care decisions based upon your own research and in partnership with a qualified health care professional.

In regard to product description, product labels, individual supplement facts and other informational content found throughout our web site and included pages, we try our best to provide current and accurate information. If typographical errors appear on or within our web site, we sincerely apologize and appreciate all help in identifying such errors so as to correct them as quickly as possible. Nonetheless, Burt’s Remedies cannot be held responsible for said errors.

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