5-HTP with Vitamin B6 100 mg

5-HTP with Vitamin B6 100 mg

The Vitamin Shoppe4.9 (19 ratings)
Format:Capsule Quantity: 120 Capsule(s) · 120 servings
Goals
$29.99 $0.24 per serving

Product analysis

65 out of 100

5-HTP with Vitamin B6 100 mg is aimed at mood and relaxation, with possible sleep support in poor sleepers. The ingredients’ roles in brain signaling leave routine benefits from the combination uncertain.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality40

The ingredient sources are named, making the contents identifiable. Their relative preparation quality remains uncertain.

Ingredient Transparency100

Amounts and forms are clearly stated for the ingredients. The label makes comparisons of the declared contents straightforward.

Value For Money60

The 5-HTP content compares favorably for the cost. Value for the added vitamin and mineral portions remains uncertain.

Customer Satisfaction74

Customer ratings are very positive, but only a few ratings are available. The small review base gives a limited view of satisfaction.

Product Focus65

The formula targets related mood, relaxation and sleep uses through 5-HTP and B6. Support is conditional, and adding B6 does not establish an extra combined benefit.

Format
Capsule
Container
120 Capsule(s)
Per serving
$0.24
Customer rating
4.9 · 19 ratings
Report analysis

Goals

Mood Support
Impact
Highest effect
B Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Vitamin B6 · 20 mg5-HTP · 100 mg

Vitamin B6 can help address deficiency associated with low mood or confusion, without establishing extra mood improvement when intake is adequate. 5-HTP is a serotonin precursor, but that mechanism does not establish a general mood benefit. The supplied mood findings leave routine benefit from this combination uncertain.

How this product is rated for Mood Support

Ingredient fit77

The ingredient selection and known amounts determine how closely this formula relates to mood. Its relevant roles remain subject to the specific nutritional or preparation limits described above.
Goal fit
The formula is relatively focused on mood-related ingredients, while its links to other goals broaden its intended use.
Dose adequacy
The relevant amounts provide a partial match to the saved reference ranges; these ranges do not establish proven effective exposures.

Pathways60

The represented biological areas describe the ingredients' connection to mood; their coverage does not establish a measured improvement in emotional well-being.
Depth
Monoamine signalling is the strongest represented area, without establishing a measured mood improvement.
Breadth
One biological areas meet the saved comparison's coverage level; this does not demonstrate multiple independent mood benefits.

Evidence96

The saved ingredient comparison and preparation findings must be read alongside the supplied limits on populations and direct mood outcomes.
Evidence strength
Vitamin B6 leads the saved evidence comparison, but the supplied population and outcome limits still govern expected mood benefits.
Studied preparation
The saved comparison accepts the forms with known qualifying amounts; this does not establish routine mood benefit for every ingredient.

Formulation logic100

No specified conflict or missing required partner was identified. The individual amount findings determine which ingredients can be meaningfully compared.
Partner coverage
No required ingredient partner is missing among the ingredients considered; this does not establish added benefit from combining them.
Conflicts
None of the specified ingredient conflicts was identified in the supplied facts.
Effective doses
All ingredients counted here meet the saved minimum amount criterion; that criterion is not proof of an effective mood dose.
Study evidence
5-HTP Supportive 9 studies
Vitamin B6 Supportive 19 studies
Impact
Moderate effect
B Ingredient FitC PathwaysC- EvidenceA+ Formulation Logic

5-HTP may offer some support through the serotonin–melatonin precursor route, but the supplied context points to a limited role, mainly for poor sleepers. It doesn't establish a broad sleep benefit across adults.

Vitamin B6 supports normal neurotransmitter metabolism, but that role alone doesn't show that extra B6 improves sleep. The product's possible sleep contribution therefore rests mainly on 5-HTP.

How this product is rated for Sleep Support

Ingredient fit77

5-HTP supplies the clearest sleep link; B6 is included but doesn't establish an independent sleep benefit.
Goal fit
5-HTP is the main sleep-oriented ingredient; Calcium and Phosphorus have no described sleep role in these facts.
Dose adequacy
One serving lists 100 mg of 5-HTP and 20 mg of B6; the amounts are clear, though B6's amount doesn't establish extra sleep support.

Pathways60

The formula centers on precursor metabolism and does not cover separate timing or calming routes.
Depth
5-HTP provides the strongest route through serotonin–melatonin precursors; B6's normal metabolic role doesn't prove better sleep.
Breadth
The product's possible pathway contribution stays with precursors rather than covering several sleep processes.

Evidence58

5-HTP has a limited, context-specific possible role, while B6 does not add a separately established sleep benefit.
Evidence strength
5-HTP may help some poor sleepers, but the supplied context doesn't establish broad benefit for other adults.
Studied preparation
The 5-HTP and B6 forms are identified, but B6's normal metabolic role doesn't establish an independent sleep benefit.

Formulation logic100

Neither ingredient needs a partner for its described role, and the supplied ingredients show no configured sleep conflict.
Partner coverage
The possible 5-HTP contribution can stand alone; B6 isn't required as a sleep partner.
Conflicts
Neither 5-HTP nor B6 is a configured sleep conflict in the supplied ingredient list.
Effective doses
The 100 mg 5-HTP and 20 mg B6 amounts are recognized here, but neither amount proves that sleep will improve.
Study evidence
5-HTP Supportive 1 study
Stress Relief
Impact
High effect
C+ Ingredient FitD+ PathwaysB- EvidenceA Formulation Logic
Vitamin B6 · 20 mg

5-HTP has some conditional findings in anxiety and stress-related settings, while vitamin B6 has limited direct anxiety evidence and stress findings often come from combinations. These ingredients connect mainly with mood and neurotransmitter-related processes, without establishing broad everyday calmness. The serving’s 20 mg B6 receives partial amount recognition. Adding B6 to 5-HTP does not establish an extra combined stress benefit.

How this product is rated for Stress Relief

Ingredient fit66

5-HTP and vitamin B6 provide relevant but conditional support, with partial overall amount recognition and a broader formula focus.
Goal fit
5-HTP and vitamin B6 provide the relevant connection, while additional actives and wider goals reduce concentration on stress.
Dose adequacy
5-HTP receives full amount recognition; 20 mg B6 per serving receives partial recognition.

Pathways54

Mood and neurotransmitter-related processes are the strongest connection, with weaker sleep-associated coverage.
Depth
Mood and neurotransmitter-related processes provide the strongest included connection.
Breadth
Only mood and neurotransmitter-related coverage reaches the breadth requirement; sleep-associated coverage remains weaker.

Evidence70

Vitamin B6 leads the evidence finding, though independent stress benefit remains limited. Both declared preparations receive recognition.
Evidence strength
Vitamin B6 leads the evidence finding, but stress results often involve combinations and do not isolate its independent benefit.
Studied preparation
Both declared ingredient preparations receive recognition.

Formulation logic90

Both included ingredients meet the amount requirement, but vitamin B6 lacks recognized partner coverage. No assessed conflict was found.
Partner coverage
Vitamin B6 lacks the partner coverage recognized by the saved findings.
Conflicts
No assessed ingredient conflict was found in the supplied formulation.
Effective doses
Both 5-HTP and vitamin B6 meet the amount requirement used for inclusion.
Study evidence
5-HTP Supportive 18 studies
Impact
Moderate effect
D Ingredient FitF PathwaysC EvidenceA+ Formulation Logic

5-HTP at 100 mg relates to appetite and feeling full. Small trials suggest reduced food intake, but their higher daily amounts and limited replication make weight-loss expectations at this serving uncertain.

How this product is rated for Weight Loss

Ingredient fit49

5-HTP provides the main connection within a broader formula. The 100 mg serving provides partial support against the saved reference.
Goal fit
5-HTP provides the main connection within a broader formula.
Dose adequacy
The 100 mg serving provides partial support against the saved reference.

Pathways9

Appetite and fullness are the main connection.
Depth
Appetite and fullness are the main connection.
Breadth
No mechanism reaches the saved threshold for broad support across several areas.

Evidence62

5-HTP provides the strongest saved evidence at a meaningful amount. The ingredients at meaningful amounts use preparations accepted in the saved assessment.
Evidence strength
5-HTP provides the strongest saved evidence among the ingredients at meaningful amounts.
Studied preparation
The ingredients at meaningful amounts use preparations accepted in the saved assessment.

Formulation logic100

The 1 assessed ingredient meets the saved minimum amount, and no conflicts were identified.
Partner coverage
The assessed ingredients can contribute independently or have their required partner.
Conflicts
No ingredient conflicts were identified in the saved checks.
Effective doses
All 1 assessed ingredient meets the saved minimum amount.
Study evidence
5-HTP Supportive 5 studies

Ingredients

IngredientAmount per servingScore
Vitamin B6 (Pyridoxine Hydrochloride)
20 mg
Calcium (Dicalcium Phosphate)
70 mg
Phosphorus (Dicalcium Phosphate)
54 mg
5-HTP (Griffonia simplicifolia Seed Extract)
100 mg 85
Gluten Free Adults 18–50 Dairy Free Women
Report overview
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA- Value
Each serving provides 100 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 Transparency100

The serving provides 100 mg of 5-HTP. The recorded warning mentions antidepressants or other serotonin-affecting medications.
Dosage Potency & Range
The serving contains 100 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 $0.25; 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 $0.25 per 100 mg of 5-HTP.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Comparative study of efficacy of l-5-hydroxytryptophan and fluoxetine in patients presenting with first depressive episode.
    Jangid P; Malik P; Singh P; Sharma M; Gulia AK · Asian journal of psychiatry · 2013
    Randomized trial70 participantsMood Support for5-HTP
  2. The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial.
    Li S; Sutanto CN; Xia X; Kim JE · Nutrients · 2025
    Randomized trial30 participantsMood Support for5-HTP
  3. Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis.
    Javelle F; Lampit A; Bloch W; Häussermann P; Johnson SL; Zimmer P · Nutrition reviews · 2020
    Meta-analysis13 studies pooledMood Support for5-HTP
  4. Tryptophan and 5-hydroxytryptophan for depression.
    Shaw K; Turner J; Del Mar C · The Cochrane database of systematic reviews · 2002
    Systematic review64 participants2 studies pooledMood Support for5-HTP
  5. 5-Hydroxytryptophan (5-HTP) and a MAOI (nialamide) in the treatment of depressions. A double-blind controlled study.
    Aliño JJ; Gutierrez JL; Iglesias ML · International pharmacopsychiatry · 1976
    Non-randomized trial30 participantsMood Support for5-HTP
  6. High Dose Vitamin B6 Reduces Depression Symptoms.
    Field DT; Cracknell R; Biagi N · Depression and anxiety · 2026
    Randomized trial267 participantsMood Support forVitamin B6
  7. Can Vitamin B6 Help to Prevent Postpartum Depression? A Randomized Controlled Trial.
    Khodadad M; Bahadoran P; Kheirabadi GR; Sabzghabaee AM · International journal of preventive medicine · 2022
    Randomized trial81 participantsMood Support Stress Relief forVitamin B6
  8. Associations of Dietary Intake of Vitamin B6 and Plasma Pyridoxal 5'-Phosphate Level With Depression in US Adults: Findings From NHANES 2005-2010.
    Lu J; Mao H; Tan Y; Luo G · Brain and behavior · 2024
    Cross-sectional study24,683 participantsMood Support forVitamin B6
  9. Associations of dietary B vitamins intakes with depression in adults.
    Wu Y; Li S; Wang W; Zhang D · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition · 2023
    Observational study17,732 participantsMood Support forVitamin B6
  10. Impact of vitamin B6 status on psychological distress in a longitudinal study of HIV-1 infection.
    Shor-Posner G; Feaster D; Blaney NT; Rocca H; Mantero-Atienza E; Szapocznik J; Eisdorfer C; Goodkin K; Baum MK · International journal of psychiatry in medicine · 1995
    Cohort study88 participantsMood Support forVitamin B6
  11. The impact of 5-hydroxytryptophan supplementation on sleep quality and gut microbiota composition in older adults: A randomized controlled trial.
    Sutanto CN; Xia X; Heng CW; Tan YS; Lee DPS; Fam J; Kim JE · Clinical nutrition (Edinburgh, Scotland) · 2024
    Randomized trial30 participantsSleep Support for5-HTP
  12. Efficacy of vitamins B1 and B6 as an adjunctive therapy to lithium in bipolar-I disorder: A double-blind, randomized, placebo-controlled, clinical trial.
    Zandifar A; Mousavi S; Schmidt NB; Badrfam R; Seif E; Qorbani M; Mehrabani Natanzi M · Journal of affective disorders · 2023
    Randomized trial66 participantsSleep Support forVitamin B6
  13. Therapeutic effects of magnesium and vitamin B6 in alleviating the symptoms of restless legs syndrome: a randomized controlled clinical trial.
    Jadidi A; Rezaei Ashtiani A; Khanmohamadi Hezaveh A; Aghaepour SM · BMC complementary medicine and therapies · 2023
    Randomized trial75 participantsSleep Support forVitamin B6
  14. Effects of poly-gamma-glutamic acid and vitamin B6 supplements on sleep status: a randomized intervention study.
    García-García C; Baik I · Nutrition research and practice · 2022
    Randomized trial47 participantsSleep Support forVitamin B6
  15. Effects of Vitamin B6 (Pyridoxine) and a B Complex Preparation on Dreaming and Sleep.
    Adventure-Heart DJ; Madden NA; Delfabbro P · Perceptual and motor skills · 2018
    Randomized trial100 participantsSleep Support forVitamin B6
  16. The effect of pyridoxine administration on melatonin secretion in normal men.
    Luboshitzky R; Ophir U; Nave R; Epstein R; Shen-Orr Z; Herer P · Neuro endocrinology letters · 2003
    Randomized trial12 participantsSleep Support forVitamin B6
  17. Effect of a serotonin precursor and uptake inhibitor in anxiety disorders; a double-blind comparison of 5-hydroxytryptophan, clomipramine and placebo.
    Kahn RS; Westenberg HG; Verhoeven WM; Gispen-de Wied CC; Kamerbeek WD · International clinical psychopharmacology · 1987
    Randomized trial45 participantsStress Relief for5-HTP
  18. Acute L-5-hydroxytryptophan administration inhibits carbon dioxide-induced panic in panic disorder patients.
    Schruers K; van Diest R; Overbeek T; Griez E · Psychiatry research · 2003
    Randomized trial48 participantsStress Relief for5-HTP
  19. Pharmacology of rising oral doses of 5-hydroxytryptophan with carbidopa.
    Smarius LJ; Jacobs GE; Hoeberechts-Lefrandt DH; de Kam ML; van der Post JP; de Rijk R; van Pelt J; Schoemaker RC; Zitman FG; van Gerven JM; Gijsman HJ · Journal of psychopharmacology (Oxford, England) · 2008
    Randomized trialStress Relief for5-HTP
  20. Enhanced tolerability of the 5-hydroxytryptophane challenge test combined with granisetron.
    Jacobs GE; Kamerling IM; de Kam ML; Derijk RH; van Pelt J; Zitman FG; van Gerven JM · Journal of psychopharmacology (Oxford, England) · 2010
    Randomized trialStress Relief for5-HTP