NOW
NOW L-Tryptophan 220mg
60 Capsules
NOW L-Tryptophan 220mg is rated
out of
5 by
2.
$14.99
$10.49
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Description
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Ingredients
Shipping & Returns
NOW Foods L-Tryptophan is a source of an essential amino acid for the maintenance of good health. L-Tryptophan is a large neutral amino acid essential to human metabolism because it is the metabolic precursor of serotonin (a neurotransmitter), melatonin (a neurohormone), and niacin (vitamin B3) which assist in the regulation of sleep, positive mood and immune function. L-Tryptophan is not synthesized by the body and must be obtained from the diet.
Recommended Dosage: Adult Dosage: Take 1 capsule daily with meals.
Recommended Dosage: Adult Dosage: Take 1 capsule daily with meals.
Caution: Consult a health care practitioner prior to use if you are pregnant or breastfeeding. Tryptophan supplementation should be avoided in depression with reversed diurnal variation. Patients with liver cirrhosis should avoid tryptophan supplementation.
Highlights
- Source of an essential amino acid for the maintenance of good health
Each capsule contains: L-Tryptophan 220 mg
Non-Medicinal Ingredients: Veg Capsule (hypromellose, water), Cellulose, Stearic Acid (vegetable source).
- We are only able to ship this item to Canadian customers.
Rated 5 out of
5
by
Kopper from
Excellent Product
Excellent product that helps me fall asleep faster. Delivery notifications and delivery itself are always quick.
Date published: 2025-11-29
Rated 5 out of
5
by
heather from
L-Tryptophan
I take this amino acid before bed and it helps to cal and relax me so I can drift off to sleep.
Date published: 2021-09-24
























