$12.70 $0.21 per serving
Product analysis
L-Tryptophan 500 mg supplies an amino acid involved in mood and sleep-related pathways. The expected benefit is modest and uncertain, especially for falling asleep at this serving amount.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The tryptophan form is unspecified, limiting a quality comparison. The available information does not establish a particular preparation advantage.
Ingredient Transparency63
The tryptophan amount is clear, making the serving easy to identify. Its form is unspecified, leaving less detail for comparisons.
Value For Money40
Value for money remains uncertain. The available price and ingredient information does not establish a clear advantage.
Customer Satisfaction77
Customer feedback is positive across a substantial number of ratings. The responses describe satisfaction without establishing sleep or stress relief.
Product Focus55
The single-ingredient formula has a narrow, uncertain role in mood and sleep support. The 500 mg serving is below the amount associated with limited findings for falling asleep.
- Format
Capsule - Container
- 60 Veggie Cap(s)
- Per serving
- $0.21
- Customer rating
- 4.4 · 1,483 ratings
Goals
Impact
Moderate effect
Tryptophan may contribute to sleep-onset support through its role as a precursor, but that pathway alone doesn't establish a general sleep benefit. The 500 mg serving is below the amount associated with limited sleep-onset findings, so its likely contribution remains modest.
Tryptophan is the only active ingredient listed, with no separate ingredient aimed at sleep timing or relaxation. Its possible role therefore stays narrow and uncertain.
How this product is rated for Sleep Support
Ingredient fit76
Tryptophan is the only sleep-related ingredient, and no other listed active broadens its sleep-related role.
Goal fit
Tryptophan is the sole sleep-related ingredient, with no off-goal actives listed.
Dose adequacy
The 500 mg serving is below the 1 g amount tied to limited sleep-onset findings.
Pathways15
Tryptophan relates to the pathway that leads toward melatonin, but the product does not reach other sleep routes.
Depth
Tryptophan connects only to the pathway that leads toward melatonin.
Breadth
There is no additional ingredient to add sleep timing or calming support.
Evidence51
Tryptophan's sleep connection is limited and uncertain; a precursor role alone doesn't establish a general benefit.
Evidence strength
Tryptophan has a limited sleep connection compared with melatonin and magnesium.
Studied preparation
No special tryptophan preparation is identified on the product facts.
Formulation logic100
Tryptophan can be used alone, and the listed ingredients show no identified bedtime conflict.
Partner coverage
Tryptophan can contribute without a partner ingredient.
Conflicts
The listed ingredients have no identified bedtime conflict.
Effective doses
At 500 mg, the amount is below the 1 g level associated with limited sleep-onset findings.
Impact
Lower effect
Impact
High effect
Tryptophan · 500 mg
Tryptophan relates to neurotransmitter and mood support in the supplied guidance, with a secondary connection to sleep recovery. Direct relief of everyday psychological stress is unestablished. The serving provides 500 mg, giving a partial amount-based contribution against the supplied reference; the saved amount finding does not establish a proven stress-relief dose.
How this product is rated for Stress Relief
Ingredient fit76
Tryptophan is the sole relevant ingredient and provides partial reference coverage. Its direct applicability to everyday stress remains unestablished.
Goal fit
The single relevant active keeps the product focused on its supported mood-related role.
Dose adequacy
The serving provides a partial tryptophan reference amount.
Pathways17
Mood and neurotransmitter support is the strongest connection, followed by sleep recovery. Neither reaches the saved coverage target.
Depth
Mood and neurotransmitter support is the strongest covered area.
Breadth
Neither mood-related support nor sleep recovery reaches the saved coverage target.
Evidence65
The supplied guidance retains tryptophan’s mood-related role, but includes no linked studies establishing direct everyday stress relief. The saved preparation check accepts it.
Evidence strength
Tryptophan supplies the qualifying evidence finding, although direct everyday stress applicability remains unestablished.
Studied preparation
Tryptophan passes the saved preparation check.
Formulation logic100
Tryptophan needs no missing partner, and no assessed ingredient conflict was found. Its amount clears the saved minimum contribution threshold.
Partner coverage
Tryptophan can contribute without a required partner.
Conflicts
No assessed ingredient conflict was found.
Effective doses
Tryptophan clears the saved amount threshold; that threshold is not proof of stress-relief efficacy.
Tryptophan Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
L-Tryptophan | 500 mg |
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.