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L-Tryptophan USP

500 mg 60 capsules: Craig Nutraceuticals
Item# 02139

Retail Price: $39.99

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  • L-Tryptophan USP
  • 500 mg 60 capsules: Craig Nutraceuticals
  • Item Catalog Number: 02139

L-tryptophan is an amino acid that is used to promote relaxation, and is taken before sleep or prior to or during anxiety provoking situations. L-tryptophan can also be used to help prevent carbohydrate cravings.


Supplement Facts

Serving Size 1 capsule

Servings Per Container 60

Amount Per Serving

Pure L-Tryptophan

500 mg

Other ingredients: gelatin capsule, vegetable stearic acid, silica, plant cellulose.

Dosage and Use
  • Adults, Take one or two capsules 15 to 30 minutes before bedtime with 6-8 oz. of water or a small amount of carbohydrate such as diluted fruit or vegetable juice to facilitate uptake.
  • Should not be taken with milk, hot fluids, or other proteins (recommended 1 hour to either side of protein).
  • Make sure that a good B-Complex is taken during the day with a balance of B-2 (Riboflavin), B-3 (Niacin), and especially B-6 (Pyridoxine) to maximize serotonin production.
  • Do not exceed 5 capsules or 2.5 grams per day unless directed by your physician.

If you are pregnant, nursing, or using medications (most importantly certain classes of anti-depressant drugs), consult your doctor before using. As with any dietary supplement, if any adverse reaction should occur, discontinue use.