Jarrow Formulas
L-Tryptophan 500 mg
82/100
SUPPIE SCORE
82/100
EFFICACY
Low
SAFETY
76/100
CLEANLINESS
What Does L-Tryptophan 500 mg Do?
Jarrow Formulas L-Tryptophan 500 mg offers a solid dosage aligned with research for mood and sleep support, backed by good evidence as a serotonin precursor. Overall safe for adults with minimal risks, though consult for medication interactions.
How does L-Tryptophan support sleep quality?
What dosage of L-Tryptophan is effective for mood regulation?
Are there any dietary sources of L-Tryptophan besides supplements?
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What Are the Benefits of L-Tryptophan 500 mg?
Based on proven scientific research
Mood SupportStrong
Sleep AidStrong
Stress ReductionModerate
Serotonin PrecursorVery strong
Good For:
What Are the Side Effects of Jarrow Formulas L-Tryptophan 500 mg?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•L-Tryptophan at 500 mg is generally safe for healthy adults, with studies showing minimal side effects at this dose (NIH, PubMed).
•Potential mild side effects include drowsiness or nausea; avoid driving if affected.
•Interactions with SSRIs or MAOIs can increase serotonin syndrome risk—consult a doctor if on antidepressants (Drugs.com).
•Not recommended during pregnancy or breastfeeding due to limited safety data; contraindicated in eosinophilia-myalgia syndrome history.
•No major allergens in the formulation, but derived from microbial fermentation—suitable for vegans.
•Long-term use up to 2g/day appears safe, but monitor for gastrointestinal upset in sensitive individuals (Examine.com).
Potential Side Effects
Negative Interactions
Inactive Ingredients
Low Risk
Low Risk
Low Risk
Low Risk
What Are the Ingredients in Jarrow Formulas L-Tryptophan 500 mg?
L-Tryptophan
500 mg
Cellulose
Stearic Acid
Magnesium Stearate
Silicon Dioxide
Sources & References
Frequently Asked Questions
Common questions about Jarrow Formulas L-Tryptophan 500 mg