L-Tryptophan 500 mg
by Protocol For Life Balance · Capsule
Supplement facts from the label of L-Tryptophan 500 mg by Protocol For Life Balance: L-Tryptophan 1.0 Gram(s).

Supplement Facts
| Ingredient | Per serving | % DV | Upper limit (adults) |
|---|---|---|---|
| L-Tryptophan | 1.0 Gram(s) | — | — |
Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.
On the label
For: Vegan · Vegetarian · Adult (18 - 50 Years) · Gluten Free · Dairy Free
Claim types: Nutrient · All Other · Structure/Function
Suggested/Recommended/Usage/Directions: Suggested Usage: Take 1-2 capsules twice daily on an empty stomach, with final dose at bedtime, or as directed by your healthcare practitioner.
Formula re: Contains: How It Works: L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. In the brain, Tryptophan is converted into serotonin, a neurotransmitter involved in feelings of well-being, calmness, personal security, and relaxation. It also plays a role in the regulation of appetite and synchronization of sleep patterns.
Formulation re: Does NOT Contain: Every lot of Protocol For Life Balance L-Tryptophan is tested to be free of Peak E and microbial contamination.
Precautions re: Pregnant or Nursing or Prescription Medications: Cautions/Interactions: Tryptophan supplements may interact with CNS depressants, antidepressants (SSRIs, MAOIs), and other serotonergic agents such as St. John's Wort and 5-HTP. Consult your healthcare practitioner if you are taking medications or herbs, are pregnant/nursing, or if you have liver impairment.
Precautions re: All Other: May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery.
Formulation re: Other: Encourages positive mood Supports relaxation & restful sleep
This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.
Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).