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Niacin - Wikipedia

This diet contains enough niacin and tryptophan to maintain niacin the relationships between tissue enzyme activities and niacin nutritional. Of these, the amino acid tryptophan and the vitamin niacin share a special link. Therefore, you should never take any supplements without consulting your. of both tryptophan and niacin (Carpenter, ; Katz, Hediger, &. Valleroy, ). tive-disorder patients who were on long-term lithium therapy were treated with folic .. (a). Relationships of psychobiological variables to recidivism in vi-.

Tryptophan & Niacin | Healthfully

Classic niacin deficiency causes a condition called pellagra, the symptoms of which include dermatitis, dementia and diarrhea. If left untreated, the condition can lead to death. Sources The best sources of niacin are fish, such as tuna and halibut, and meat, such as beef, chicken, turkey and pork. These foods also contain tryptophan. Enriched and fortified cereals, bread, whole grains, seeds and legumes also contain niacin.

It is also found in eggs, dairy, tea, coffee and leafy green vegetables. Niacin supplements come in the form of nicotinic acid, which is used to treat high blood cholesterol. Recommendations The recommended dietary allowance, or RDA, of niacin for men is 16 milligrams a day, while women should get 14 milligrams. Women who are pregnant should get 18 milligrams a day, and those who are breast-feeding should get 17 milligrams.

Adequate dietary intake of protein generates good levels of tryptophan and therefore niacin. Always talk to your healthcare provider before you start taking any supplements. Is Niacin Good for You? Your body needs essential nutrients in regular amounts in order to continue to function properly.

Tryptophan & Niacin

Of these, the amino acid tryptophan and the vitamin niacin share a special link. In addition, a deficiency in either one of these chemicals can lead to negative health effects. Tryptophan Defined Tryptophan is an essential amino acid, meaning that your body cannot produce it, and it must be obtained from food sources, the University of Maryland Medical Center explains.

It is important for ensuring the proper growth of infants and maintaining nitrogen balance in adults.

Nutritional Aspect of Tryptophan Metabolism

Your body also uses tryptophan to manufacture niacin, a B vitamin, and serotonin, a neurotransmitter. Serotonin plays a role in regulating sleep and moods, and in controlling impulses in the brain.

A severe deficiency in tryptophan can lead to insomnia, depression, anxiety, irritability and unexpected weight loss or gain. Niacin Defined Niacin is an organic compound and one of the eight B vitamins. Also known as vitamin B-3, it is water-soluble, meaning that it dissolves in water and excess amounts leave your body through your urine. This means that you need a regular supply of niacin in your diet, MedlinePlus notes.

Your body uses niacin as a critical component of its digestive process, as it breaks down carbohydrates, fats, proteins and alcohol and converts them into usable energy.