$7.77 $0.12 per serving
Product analysis
5-HTP 50 mg offers a low-cost way to supplement a building block your body uses to make serotonin. Its potential sleep contribution is modest, and mood or everyday stress benefits remain uncertain.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality40
The quality of the 5-HTP cannot be determined confidently. Naming the plant extract identifies the source but does not establish its quality.
Ingredient Transparency100
Both the amount and form are disclosed. You can compare the active ingredient with alternatives without guessing what a serving contains.
Value For Money85
The 5-HTP contribution offers good value for its cost. That price advantage does not establish whether it will improve mood or sleep.
Customer Satisfaction83
Customer feedback is very positive across thousands of ratings. The review volume gives a broad view of satisfaction, without establishing health benefits.
Product Focus62
The formula focuses on a single ingredient connected to mood and sleep pathways. Mood and everyday stress benefits remain uncertain, while the low-end sleep amount supports only a modest potential contribution.
- Format
Capsule - Container
- 60 Capsule(s)
- Per serving
- $0.12
- Customer rating
- 4.7 · 1,795 ratings
Goals
Impact
High effect
5-HTP · 50 mg
5-HTP supplies a serotonin precursor, but that role does not establish mood improvement. The supplied older-adult study did not show a significant advantage over its control, so the saved contribution should not be read as proven benefit from this 50 mg serving.
How this product is rated for Mood Support
Ingredient fit76
5-HTP account for the main saved ingredient contribution. Amounts and preparation details constrain the comparison.
Goal fit
5-HTP is the main ingredients counted toward mood support.
Dose adequacy
The declared serving amounts receive partial consideration; this compares amounts with supplied reference ranges, without proving a mood effect.
Pathways19
The strongest saved connection is to monoamine signalling, based on the counted ingredients; this does not itself demonstrate emotional improvement.
Depth
The strongest saved connection is to monoamine signalling, based on the counted ingredients; this does not itself demonstrate emotional improvement.
Breadth
No area reaches the saved coverage threshold; the identified connection remains limited.
Evidence94
5-HTP provides the strongest saved evidence contribution here; its population and outcome limitations still apply.
Evidence strength
5-HTP provides the strongest saved evidence contribution here; its population and outcome limitations still apply.
Studied preparation
The counted ingredients meet the saved preparation criteria; this does not make all labelled forms interchangeable with every clinical trial.
Formulation logic100
The counted ingredients have no unmet partner requirement or matched ingredient conflict. Their amount criteria describe the saved comparison rather than proven effectiveness.
Partner coverage
The counted ingredients require no missing partner under the supplied findings; this does not imply an added benefit from combining them.
Conflicts
No listed ingredient conflict was matched in the supplied findings; this does not establish medication compatibility.
Effective doses
The counted ingredients meet the saved minimum amount criterion.
Impact
Moderate effect
5-HTP may offer a limited, population-specific contribution to sleep through the serotonin–melatonin precursor route. Its 50 mg amount is at the lower end of the supplied sleep context, so the potential contribution is modest.
This is a one-ingredient formula focused on a single pathway, with no separate support for sleep timing or relaxation. The 5-HTP role remains uncertain outside the specific circumstances described in the supplied context.
How this product is rated for Sleep Support
Ingredient fit76
5-HTP is the only sleep-related ingredient, keeping the formula focused on one potential precursor role.
Goal fit
The product's potential sleep contribution comes from 5-HTP alone, without an off-goal active listed.
Dose adequacy
The 50 mg amount is at the lower end of the supplied sleep context, limiting its potential contribution.
Pathways40
The product's sole meaningful sleep route is through serotonin–melatonin precursors.
Depth
5-HTP provides the only substantial pathway, through sleep-related precursors.
Breadth
It does not add notable support for sleep timing, calming, or stress regulation.
Evidence58
5-HTP has a limited, population-specific potential role, so the likely sleep contribution remains modest.
Evidence strength
5-HTP is the only ingredient with a sleep-related role here, and that role is narrow.
Studied preparation
The product lists 5-HTP directly; no separate preparation distinction changes the supplied context.
Formulation logic100
5-HTP provides the potential role alone, with no listed sleep-conflicting stimulant.
Partner coverage
5-HTP is considered on its own, without a missing partner ingredient.
Conflicts
No listed caffeine or activating ingredient works against its sleep-focused approach.
Effective doses
The 50 mg amount supports a limited potential contribution, not a guaranteed improvement in sleep.
Impact
Moderate effect
Whether 5-HTP helps with everyday stress remains uncertain. It has a possible connection to anxiety in specific circumstances, but that doesn't make broad stress relief predictable. Its relevance here is to mood-related functions, with a smaller connection to sleep; those roles don't guarantee that you'll feel calmer.
How this product is rated for Stress Relief
Ingredient fit76
5-HTP is the sole relevant active ingredient, with a conditional connection to anxiety and stress.
Goal fit
The ingredient focus is 5-HTP, rather than a broader blend of stress-related actives.
Dose adequacy
The serving provides 50 mg 5-HTP, compared with the 100 mg reference amount; this comparison doesn't determine whether it will help.
Pathways13
The main connection concerns mood-related functions, with a smaller link to sleep.
Depth
5-HTP relates primarily to mood and neurotransmitter functions, with uncertain everyday stress benefit.
Breadth
One ingredient offers a narrow set of relevant functions rather than broad stress relief.
Evidence56
5-HTP's possible anxiety and stress benefits remain conditional, so everyday relief is uncertain.
Evidence strength
Whether 5-HTP reliably eases everyday stress is unclear.
Studied preparation
The declared 5-HTP preparation is compatible with its possible stress-related use, without ensuring a benefit.
Formulation logic100
5-HTP doesn't need a missing partner for its individual role. No particular ingredient conflict is identified.
Partner coverage
5-HTP can have its individual role without another ingredient.
Conflicts
No particular ingredient conflict is identified.
Effective doses
The serving contains 50 mg 5-HTP, half the 100 mg comparison amount.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
L-5-Hydroxytryptophan (Griffonia simplicifolia Seed Extract) | 50 mg |
5-HTP (Griffonia simplicifolia Seed Extract) · 50 mg OverallScore77
Each serving provides 50 mg of 5-HTP from Griffonia simplicifolia. The recorded warning mentions antidepressants or other serotonin-affecting medications.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
Griffonia simplicifolia is identified as the source, but the saved information does not specify a 5-HTP standardization percentage.
Botanical Source & Standardization
Griffonia simplicifolia is named; a percentage specifying 5-HTP standardization is not recorded.
Dose, Safety & Label Transparency79
The serving provides 50 mg of 5-HTP. The recorded warning mentions antidepressants or other serotonin-affecting medications.
Dosage Potency & Range
The serving contains 50 mg of 5-HTP.
Safety Warnings & Label Clarity
The recorded warning mentions antidepressants or other serotonin-affecting medications.
Value85
The whole-product serving costs about $0.13; its cost relative to the 5-HTP provided is relatively low in the evaluation.
Price per 100mg 5-HTP
The whole-product price corresponds to about $0.26 per 100 mg of 5-HTP.
Alternative products
Report alternatives
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Comparative study of efficacy of l-5-hydroxytryptophan and fluoxetine in patients presenting with first depressive episode.
- The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial.
- Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis.
- Tryptophan and 5-hydroxytryptophan for depression.
- 5-Hydroxytryptophan (5-HTP) and a MAOI (nialamide) in the treatment of depressions. A double-blind controlled study.
- The impact of 5-hydroxytryptophan supplementation on sleep quality and gut microbiota composition in older adults: A randomized controlled trial.
- Effect of a serotonin precursor and uptake inhibitor in anxiety disorders; a double-blind comparison of 5-hydroxytryptophan, clomipramine and placebo.
- Acute L-5-hydroxytryptophan administration inhibits carbon dioxide-induced panic in panic disorder patients.
- Pharmacology of rising oral doses of 5-hydroxytryptophan with carbidopa.
- Enhanced tolerability of the 5-hydroxytryptophane challenge test combined with granisetron.
- An open-label trial of L-5-hydroxytryptophan in subjects with romantic stress.