Last verified: 17 days ago
Royal Jelly
Also known as: RJ, bee milk, apis mellifera secretion, 10-HDA source, 10-hydroxy-2-decenoic acid
Evidence under review. — Not yet rated
Bee-derived substance with early evidence for antioxidant and anti-inflammatory effects. Research is still limited.
-
What it does
Royal jelly is a nutrient-rich secretion produced by worker honeybees, fed to queen bees and larvae. Early clinical trials suggest it may reduce oxidative stress markers, improve antioxidant...
-
Evidence quality
Evidence base hasn't been formally rated yet. See research below.
-
Clinical dose
500–1000 mg daily (oral); topical cream formulations also studied
What the Science Says
Royal jelly is a nutrient-rich secretion produced by worker honeybees, fed to queen bees and larvae. Early clinical trials suggest it may reduce oxidative stress markers, improve antioxidant enzyme activity, and lower inflammatory markers like IL-6 in people with chronic conditions such as multiple sclerosis and kidney disease. A topical form showed modest wrinkle reduction and improved skin hydration over 12 weeks in one small trial.
What It Doesn't Do
Not proven to treat or prevent Alzheimer's disease in humans. No solid evidence it controls blood sugar better than standard care. Won't cure or meaningfully alter the course of COVID-19. Anti-cancer effects seen only in lab and animal studies — not in human trials. Don't expect dramatic results from a single short course.
Evidence-Based Benefits
Reduces oxidative stress markers and boosts antioxidant enzymes in people with multiple sclerosis.
Weak EvidenceEffective at: 500 mg/day for 45 days
Supporting studies (click to view on PubMed):
Topical protease-treated royal jelly cream reduces crow's feet wrinkle depth and improves skin hydration.
Weak EvidenceEffective at: Topical cream applied for 12 weeks
Supporting studies (click to view on PubMed):
Combined royal jelly and green propolis supplementation lowers IL-6 and cardiovascular risk markers in kidney disease patients on dialysis.
Weak EvidenceEffective at: Royal jelly + green propolis for 2 months
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Unknown — no pharmacokinetic data provided in the reviewed studies. Oral absorption of key bioactives like 10-HDA has not been characterized in the provided papers.
Red Flags to Watch For
- Allergic reactions, including anaphylaxis, are a known risk — especially in people with bee or pollen allergies
- Most human trials are small (under 75 participants) and short-term, limiting confidence in results
- Many marketed benefits (anti-aging, cancer prevention, cognitive enhancement) are based on animal or lab studies only
- Products vary widely in quality, processing method, and 10-HDA content — no standardization across brands
- Royal jelly combined with other bee products (e.g., propolis) in some studies makes it hard to isolate royal jelly's specific effects
Products Containing Royal Jelly
See how Royal Jelly is used in these analyzed products:
Frequently Asked Questions
What does Royal Jelly do?
Bee-derived substance with early evidence for antioxidant and anti-inflammatory effects. Research is still limited.
What is the effective dose of Royal Jelly?
500–1000 mg daily (oral); topical cream formulations also studied
Is Royal Jelly safe?
Allergic reactions, including anaphylaxis, are a known risk — especially in people with bee or pollen allergies
What doesn't Royal Jelly do?
Not proven to treat or prevent Alzheimer's disease in humans.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25