100 mg of 5-HTP provides standard serotonin-pathway support in a convenient format. The named Griffonia source helps, but missing standardization limits quality detail.
100 mg of 5-HTP provides standard serotonin-pathway support in a convenient format. The named Griffonia source helps, but missing standardization limits quality detail.
A standard 100 mg 5-HTP serving gives the formula a clear and focused role in serotonin-related mood and sleep support. The amount matches the practical middle ground represented in the supplied goal analyses without pushing into a high-strength serving.
Griffonia simplicifolia is identified as the source, although no active standardization percentage is supplied. The veggie cap(s) format is convenient, but it does not add a disclosed release or absorption feature.
The simple design makes the active easy to judge, although it covers only one main pathway. Value is reasonable for a focused 5-HTP serving. It best fits adults seeking a straightforward middle-dose option for mood or sleep support.
thumb_upPros
Clearly discloses 100 mg of 5-HTP
Veggie cap(s) format is easy to use
Names Griffonia simplicifolia as the botanical source
Focused formula is easy to assess
thumb_downCons
No 5-HTP standardization percentage is provided
No controlled-release or enteric delivery feature is disclosed
Single-pathway formula offers limited support beyond serotonin production
warningWarnings
Do not combine 5-HTP with SSRIs, SNRIs, MAO inhibitors, tramadol, or other serotonin-raising medicines because serotonin toxicity can occur.
The 100 mg 5-HTP serving may cause nausea or digestive upset.
Avoid stacking it with other serotonin-focused supplements such as tryptophan or SAMe unless a qualified clinician has reviewed the combination.
scienceNutrient quality
85
Highest impact
Griffonia simplicifolia identifies the botanical source, but no active standardization percentage is supplied. The 5-HTP amount matches a common standard serving, while missing extract standardization limits source-potency confidence.
scienceIngredient transparency
81
Highest impact
Every listed active amount is disclosed, and no proprietary blend hides dosing. Complete directions, inactive ingredients, and some source or standardization details remain unavailable.
thumb_upCustomer satisfaction
68
High impact
The aggregate rating is favorable, and the very large review count makes it stable. No detailed feedback is supplied, so repeated complaints and purpose fit cannot be judged.
workspace_premiumValue for money
86
Highest impact
A standard 5-HTP amount and plant source provide good value. Missing extract standardization is the main quality limitation.
A-
Goal FitA-
Strength of SupportC
CoverageA+
Formula Quality
5-HTP · 100 mg
Five-HTP at 100 mg provides a direct precursor for serotonin synthesis. Human evidence supports the serotonin pathway, although response varies and the product is not a substitute for treatment of a mood disorder.
Griffonia simplicifolia is identified as the source, but the extract's 5-HTP standardization percentage is not stated. Five-HTP can interact with SSRIs, SNRIs, MAO inhibitors, and other serotonin-raising medicines.
scienceStudy evidence
SupportiveMixedNo effectAdverse
5-HTP Supportive star star star star_border star_border 9 studies
B
Goal FitA-
Strength of SupportC
CoverageA
Formula Quality
5-HTP supports serotonin and downstream melatonin production, giving it a plausible but indirect role in sleep. The single active does not directly address nervous system relaxation or circadian timing.
The amount is fully disclosed and fits a commonly used range, while the Griffonia source lacks stated standardization. Combining 5-HTP with SSRIs, SNRIs, MAO inhibitors, or other serotonin-raising medicines may increase the risk of excessive serotonin.
scienceStudy evidence
SupportiveMixedNo effectAdverse
5-HTP Supportive star star star_border star_border star_border 1 study
C
Goal FitB
Strength of SupportC-
CoverageA
Formula Quality
5-HTP may support mood when stress is accompanied by low mood or disrupted sleep, but it is not a broad stress-response ingredient. Evidence for direct stress relief is more limited than for established adaptogens or calming amino acids.
The 100 mg amount is a practical standalone dose and the Griffonia source is named, although extract standardization is not stated. Because 5-HTP raises serotonin, combining it with SSRIs, SNRIs, MAOIs, or other serotonin-modulating medicines may raise the risk of serotonin toxicity.
scienceStudy evidence
SupportiveMixedNo effectAdverse
5-HTP Supportive star star star_border star_border star_border 18 studies
D+
Goal FitB
Strength of SupportF
CoverageA
Formula Quality
5-HTP may influence appetite through serotonin, giving the product an indirect weight-management role. The 100 mg amount is standard and clearly disclosed from Griffonia simplicifolia.
Evidence for sustained weight loss is limited, and the formula does not address thermogenesis, fiber satiety, or muscle preservation. Combining 5-HTP with SSRIs, SNRIs, MAO inhibitors, or other serotonergic medicines may increase serotonin-toxicity risk.
scienceStudy evidence
SupportiveMixedNo effectAdverse
5-HTP Supportive star star star star_border star_border 5 studies
5000
scienceIngredients
Ingredient
Amount per serving
5-HTP (Griffonia simplicifolia)
100 mg
grain_off Gluten Free person Adults 18–50 eco Vegan eco Vegetarian
B-
Active Ingredient Quality & BioavailabilityB-
Dose, Safety & Label TransparencyA-
Value
Griffonia simplicifolia is identified as the botanical source, but the extract lacks a stated 5-HTP standardization percentage. The 100 mg serving matches the preferred standard amount, and the vegetable capsule provides a suitable standard delivery method. the normalized cost remains competitive; because 5-HTP raises serotonin, combining it with SSRIs, SNRIs, MAOIs, or other serotonin-modulating drugs may raise the risk of serotonin toxicity.
Clearer botanical sourcing makes this a stronger quality alternative. Its 100 mg 5-HTP serving matches the original amount while offering a different formula or package choice. The same serious interaction caution with serotonin-raising medicines applies.
A more focused formula and stronger disclosed ingredient profile make this a better quality choice. Its 100 mg 5-HTP serving matches the original amount while offering a different formula or package choice. The same serious interaction caution with serotonin-raising medicines applies.
A more focused formula and stronger disclosed ingredient profile make this a better quality choice. Its 100 mg 5-HTP serving matches the original amount while offering a different formula or package choice. The same serious interaction caution with serotonin-raising medicines applies.
The lower recurring cost makes this a more economical eligible choice. Its 50 mg 5-HTP serving offers a more cautious starting option than the original’s 100 mg amount. The same serious interaction caution with serotonin-raising medicines applies.
The lower recurring cost makes this a more economical eligible choice. Its 100 mg 5-HTP serving matches the original amount while offering a different formula or package choice. The same serious interaction caution with serotonin-raising medicines applies.
The lower recurring cost makes this a more economical eligible choice. Its 50 mg 5-HTP serving offers a more cautious starting option than the original’s 100 mg amount. The same serious interaction caution with serotonin-raising medicines applies.
Focused 5-HTP dosing and a lower recurring cost create a favorable quality-to-cost balance. A Griffonia source is identified, but active standardization remains incomplete. The same serious interaction caution with serotonin-raising medicines applies.
Focused 5-HTP dosing and a lower recurring cost create a favorable quality-to-cost balance. The active amount is disclosed, but botanical-source detail remains incomplete. The same serious interaction caution with serotonin-raising medicines applies.
Focused 5-HTP dosing and a lower recurring cost create a favorable quality-to-cost balance. A Griffonia source is identified, but active standardization remains incomplete. The same serious interaction caution with serotonin-raising medicines applies.
flagReport alternatives
schoolSources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
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
Cangiano C; Laviano A; Del Ben M; Preziosa I; Angelico F; Cascino A; Rossi-Fanelli F · International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity · 1998
Randomized trial25 participantsflagWeight Loss forscience5-HTP