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    Royal Jelly

    Royal Jelly

    TL;DR

    Royal jelly has small trials hinting at benefits for menopausal symptoms and lipids, but the evidence is thin and allergic reactions in asthmatics can be severe.

    Ideal For

    • Menopausal women without bee allergy
    • People curious about a traditional apitherapy product with modest data

    Avoid If

    • You have any bee product allergy
    • You have asthma or significant atopy
    • You have a hormone-sensitive cancer

    Frequently Asked Questions

    Overview

    Royal jelly is a protein-, lipid-, and vitamin-rich secretion whose biological effects are usually attributed to 10-HDA and to royalactin, a protein implicated in queen-larva development. Human research is limited to small randomized trials, mostly under 100 participants: several report modest reductions in total and LDL cholesterol, small improvements in fasting glucose and insulin sensitivity in type 2 diabetes, and reductions in menopausal symptom scores comparable to weak phytoestrogens. A few studies in dry-eye and fatigue populations report symptomatic improvement. None of these findings has been replicated at scale, and formulation potency (fresh vs freeze-dried, 10-HDA percentage) is rarely standardized. The clearest practical issue is safety: royal jelly has caused documented anaphylaxis, severe asthma exacerbations, and fatal reactions in atopic individuals, and it is a genuine contraindication for people with bee-product allergy or brittle asthma.

    How It Works

    • 10-HDA exerts antimicrobial and anti-inflammatory activity
    • Weak estrogen receptor binding may explain menopausal symptom effects
    • Possible improvement in insulin signaling in small diabetes trials
    • Antioxidant peptides may reduce lipid peroxidation

    Health Concerns Addressed

    No linked health concerns yet.

    Supporting Research
    9 studies

    The effect of royal jelly on liver enzymes and glycemic indices: a systematic review and meta-analysis of randomized clinical trials

    Score: 8/10
    2023
    meta_analysis

    Bahari H, Taheri S, Rashidmayvan M +2 more

    Combined estimate of effect sizes for the impact of RJ on neither the plasma liver enzymes nor the glycemic indices were statistically significant.

    View source

    Royal jelly for management of postmenopausal symptoms: a systematic review and meta-analysis

    Score: 6/10
    2025
    meta_analysis
    0

    Various

    Pooled randomised trials indicated royal jelly reduced overall menopausal symptom scores compared with placebo.

    View source

    Royal jelly does not improve markers of glycemia: a systematic review and meta-analysis of randomized clinical trials

    Score: 8/10
    2019
    meta_analysis

    Mahboobi S, Jafarnejad S, Eftekhari MH

    Royal jelly does not improve markers of glycemia

    View source

    Effect of royal jelly on menopausal symptoms: A randomized placebo-controlled clinical trial

    Score: 6/10
    2020
    rct
    n=200

    Asiri SA, Alsuwayt B

    Royal jelly 1000 mg/day for eight weeks reduced total menopause rating scale scores versus placebo.

    View source

    Effects of royal jelly on bone metabolism in postmenopausal women: a randomized, controlled study

    Score: 7/10
    2021
    rct
    n=72

    Matsushita H, Shimizu S, Morita N +2 more

    Although women in the placebo group experienced a significant loss of BMD and deterioration in HSA parameters of the femur, no signifi

    View source

    Effects of Royal Jelly Administration on Lipid Profile, Satiety, Inflammation, and Antioxidant Capacity in Asymptomatic Overweight Adults

    Score: 5/10
    2019
    rct
    n=60

    Petelin A, Kenig S, Kopinc R +1 more

    Royal jelly did not significantly change lipid profile or inflammatory markers in overweight adults.

    View source

    Royal jelly consumption and hypersensitivity in the community

    Score: 6/10
    1997
    observational
    n=1472

    Leung R, Ho A, Chan J +2 more

    A total of nine subjects reported 14 adverse reactions to royal jelly, including urticaria, eczema, rhinitis and acute asthma.

    View source

    The efficacy of topical royal jelly on healing of diabetic foot ulcers: a double-blind placebo-controlled clinical trial

    Score: 6/10
    2015
    rct
    n=25

    Siavash M, Shokri S, Haghighi S +2 more

    Then, all ulcers were randomly selected to receive either 5% sterile topical RJ or placebo on their total surface area.

    View source

    Effect of processed honey and royal jelly on cancer-related fatigue: a double-blind randomized clinical trial

    Score: 5/10
    2016
    rct
    n=52

    Mofid B, Rezaeizadeh H, Termos A +2 more

    The aim of this study is to evaluate the effectiveness of processed honey and royal jelly on the symptoms of CRF in cancer patients

    View source

    Safety Information

    Potential Side Effects

    {"Allergic reactions ranging from rash to anaphylaxis; GI upset"}

    Contraindications

    {"Bee product allergy","Asthma with atopy","Pregnancy (insufficient data)"}

    Drug Interactions

    • Warfarin (case reports of raised INR)
    • Antihypertensives (possible additive effect)

    Pregnancy & Breastfeeding

    Pregnancy: insufficient_data

    Breastfeeding: insufficient_data

    Dosage Guidelines

    Dosage Used in Studies

    Consult healthcare provider

    Forms Compared

    Food & Timing

    Morning, on an empty stomach or with breakfast.

    Medical Disclaimer

    The information provided on this website is for educational and informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or before starting any supplement regimen.

    Individual results may vary. The statements on this website have not been evaluated by the Food and Drug Administration. Products and information are not intended to diagnose, treat, cure, or prevent any disease.