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Head-to-head evidence comparison — which supplement is right for you?
Royal Jelly vs Vitex: Vitex has the stronger overall evidence (7 vs 4.5/10); they're alternatives for pms relief — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Vitex wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
5 of 7 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
12 of 13 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Royal Jelly and Vitex have evidence — compare verdict strength side-by-side.
300-3000mg daily
Morning on empty stomach (traditional), With food if GI sensitive
Fresh frozen royal jelly or lyophilized capsules
20-40mg extract (standardized to 0.5% agnuside)
Morning, Consistently at same time daily
Standardized extract (0.5% agnuside or 0.6% aucubin)
2-4 weeks
4-8 weeks
8-12 weeks
Acute
1-3 cycles
2-3 cycles
1-2 cycles
Dosage exploration of the effects of honey and its derivatives on cardiometabolic outcomes: an overview of systematic reviews and GRADE-assessed updated meta-analysis
Nutrition & diabetes (2025) · Meta analysis · n=3544
Royal jelly improved blood pressure, lipid profiles, glycemic indices, and total antioxidant capacity.
Royal jelly and its hormonal effects in breast cancer: a literature review
Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences (2024) · Systematic review
Future clinical studies are essential to confirm the safe dose of royal jelly as an adjuvant therapy in breast cancer.
Pharmacovigilance and toxicological risks associated with apitherapeutic products: a systematic overview
Archives of toxicology (2026) · Systematic review
Allergic responses were the most prevalent type of adverse event, particularly among atopic individuals.
Vitex agnus-castus in premenstrual syndrome: A meta-analysis of double-blind randomised controlled trials
Complementary Therapies in Medicine (2019) · Meta analysis · n=1878
Vitex significantly reduced overall PMS symptom scores vs placebo
Herbal medicine for depression and anxiety: A systematic review with assessment of potential psycho-oncologic relevance
Phytotherapy research : PTR (2018) · Systematic review
Overall, 45% of studies reported positive findings with fewer adverse effects compared with conventional medications.
A Critical Approach to Evaluating Clinical Efficacy, Adverse Events and Drug Interactions of Herbal Remedies
Phytotherapy research : PTR (2016) · Review
A critical evaluation of the clinical data regarding the adverse effects has shown that herbal remedies are generally better tolerated than synthetic medications.
Meta-analysis found mixed results for lipid effects. One small RCT (n=7) showed modest cholesterol improvements but no HDL/triglyceride changes. Effects appear modest and inconsistent across studies.
Based on meta-analysis of RCTs showing large effect size. Most effective for irritability, mood swings, and breast tenderness. Standardized extracts (Ze 440, BNO 1095) had strongest evidence. High heterogeneity noted between studies.
AI-estimated from published studies. Interpret as directional guidance.
Vitex has a higher evidence score (7/10 vs 4.5/10) and wins in 2 of 3 categories.
For pms relief, Vitex has a higher relevance score (90 vs 50).
No known interactions between Royal Jelly and Vitex have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.