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Head-to-head evidence comparison — which supplement is right for you?
5-HTP wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
6 of 7 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
3 of 5 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both 5-HTP and Apigenin have evidence — compare verdict strength side-by-side.
50-100mg for sleep; 150-300mg for mood
For sleep: 30-45 minutes before bed, For mood: 2-3 divided doses with meals
Capsules
50mg before bed
30-60 minutes before bed
Apigenin extract capsules
2-4 weeks
1-2 weeks
2-4 weeks
First 1-2 weeks
30-60 minutes
30-60 minutes
N/A
Early pharmacological interventions for universal prevention of post-traumatic stress disorder (PTSD)
The Cochrane database of systematic reviews (2022) · Systematic review · n=2023
This review provides uncertain evidence only regarding the use of hydrocortisone, propranolol, dexamethasone, omega-3 fatty acids, gabapentin, paroxetine, PulmoCare formula, Oxepa formula, or 5-hydroxytryptophan as universal PTSD prevention strategies.
Combination pharmacotherapy for the treatment of fibromyalgia in adults
The Cochrane database of systematic reviews (2018) · Systematic review · n=1474
Two studies only reported any primary outcomes of interest (patient-reported pain relief of 30%, or 50%, or greater).
The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial
Nutrients (2025) · Rct · n=30
Results: A significant time effect was observed in the MoCA score, which was mainly explained by a significant increase in the 5-HTP group (week 0 vs. week 12: 26.6 ± 1.4 a.u. vs. 27.6 ± 1.4 a.u., p < 0.05).
Efficacy and potential pharmacological mechanism of Astragalus-Salvia miltiorrhiza combination in diabetic nephropathy: integrating meta-analysis, network pharmacology, molecular docking, and experimental validation
Renal failure (2025) · Meta analysis · n=1443
Meanwhile, when the treatment duration exceeds 12 weeks, AS demonstrated a significant reduction in fasting blood glucose levels, indicating a time-dependent effect.
Levodopa and Plant-Derived Bioactive Compounds in Parkinson's Disease: Mechanisms, Efficacy, and Future Perspectives
CNS neuroscience & therapeutics (2025) · Systematic review
Although levodopa is indispensable for the symptomatic management of PD, emerging evidence supports the integration of plant-derived bioactive compounds as adjunct therapies with disease-modifying potential.
Dietary Flavonoids and the Risk of Colorectal Cancer: An Updated Meta-Analysis of Epidemiological Studies
Nutrients (2018) · Meta analysis · n=12
High intake of dietary flavonols, flavones and anthocyanidins may decrease the risk of colorectal cancer; the pooled odds ratio (OR) for the highest intake compared with the lowest was 0.70 (0.54⁻0.90), 0.79 (0.83⁻0.99) and 0.78 (0.64⁻0.95), respectively.
Limited evidence from small RCTs (n=30, n=166). Effectiveness constrained by mixed study populations and preliminary findings. Higher doses associated with increased nausea risk.
Based on preclinical studies showing neuroinflammation inhibition and lung injury models. Human clinical data lacking. Effects may vary significantly based on bioavailability and individual response.
AI-estimated from published studies. Interpret as directional guidance.
5-HTP has a higher evidence score (8.5/10 vs 8/10) and wins in 2 of 3 categories.
For fall asleep faster, Apigenin has a higher relevance score (75 vs 70).
No known interactions between 5-HTP and Apigenin have been documented in our database. However, always consult a healthcare provider before combining supplements.