Other ingredients
Croscarmellose Sodium; Hydroxypropyl Cellulose (HPC); Stearic Acid; Magnesium Stearate (Mg Stearate); Vegetarian Coating; Silicon Dioxide (SiO2)
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
Protocol For Life Balance
L-Tryptophan 1000 mg
Tablet or Pill
Serving size1 Tablet(s)
Servings per containerNot listed
Package60 Tablet(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 1 Tablet(s)
L-Tryptophan1000 mgDV not established
Label directions
Suggested usage: Take 1 tablet 1 to 2 times daily on an empty stomach; with final dose at bedtime; or as directed by your healthcare practitioner.
Label warnings
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. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery. Consult your healthcare practitioner if you are taking medications or herbs are pregnant/nursing or if you have liver impairment. Not manufactured with wheat gluten soy milk egg fish shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Identity and label version
NIH label record326452
Entered into NIH DSLDMar 25, 2025
UPC / GTIN00707359101692
Manufacturer / distributor on labelProtocol For Life Balance
Market statusOn market in the source data
“Entered into NIH DSLD” is the database entry date for this label record. It is not a manufacturer launch date or a label effective date.
NIH label history (2)
Current labelNIH record 326452Entered Mar 25, 2025
L-Tryptophan1000 mg
Label warning: 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. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery. Consult your healthcare practitioner if you are taking medications or herbs are pregnant/nursing or if you have liver impairment. Not manufactured with wheat gluten soy milk egg fish shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Earlier labelNIH record 72895Entered Apr 25, 2017
L-Tryptophan1 g
Label warning: 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. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery. Not manufactured with wheat gluten soy milk egg fish shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Do not eat freshness packet. Keep in bottle.
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
More from Protocol For Life Balance
Data comes from product labels or official public sources. It does not mean Safmira, NIH, or FDA approves, certifies, or recommends this product. Label amounts are not laboratory measurements.