L-Tryptophan (R&D Naturals) | Health Benefits


Serotonin modulation
Modulates the levels of serotonin, an important monoamine neurotransmitter.
Frequently used for anxiety reduction since its converted to 5-HTP (5-hyrdoxytryptophan), and then to serotonin. Numerous studies have shown that administration of L-Tryptophan resulted in significantly reduced anxiety scores.
Depression & Mood
L-tryptophan is critical for the body to produce serotonin, which helps maintain a calm and relaxed mood. Many medications used to treat depression are aimed at increasing the amount of serotonin in the brain.
Tryptophan supplements are frequently taken as a sleep aid. Studies have shown that even doses of 200mg produce an increase in subjective sleepiness.
Seasonal Affective Disorder (SAD)
Seasonal affective disorder, SAD, is a mood disorder in which people of otherwise normal mental health experience depressive symptoms in the winter, repeatedly year after year. Studies have shown that administration of L-Tryptophan resulted in significantly reduced mean depression scores.
Inflammatory response
Important for a proper modulation on inflammatory response.
L-Tryptophan has been associated with its weight balancing effects, since it’s been found to shut off curb cravings.
Taking L-tryptophan seems to improve the effectiveness of conventional treatment for smoking cessation.
The body uses L-tryptophan to produce niacin, a B vitamin that can help increase your good cholesterol and lower your bad cholesterol. Your body also uses niacin to turn carbohydrates into energy and to keep the digestive system, skin, hair and eyes healthy. L-tryptophan requires the presence of iron, riboflavin and vitamin B-6 to produce niacin.