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Dietary supplement

Royal Jelly 500 mg Ingredients & Drug Interactions

by Natural Factors

Royal Jelly 500 mg label
See full label image
Softgel Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Royal Jelly 500 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Royal Jelly 500 mg is a dietary supplement by Natural Factors with 1 active ingredient. Its ingredients are commonly taken for menopausal symptoms, skin health and wound care, immune support.Based on those ingredients, 174 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Royal Jelly. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Royal Jelly 500 mg by Natural Factors

Ask about any prescription or over-the-counter medication and we check it for interactions with Royal Jelly 500 mg by Natural Factors — and tell you which ingredient is responsible.

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Computed from our clinical databases

HelloPharmacist Scorecard of Royal Jelly 500 mg by Natural Factors

Four independent checks of what is known — a summary of the available information, not a grade of the product itself.

Evidence for Intended Use
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

None of the active ingredients could be matched to our evidence database, so intended use can't be graded.

Why this rating?
  • None of the active ingredients could be matched to a HelloPharmacist monograph, so intended use can't be graded against our evidence data.
Ingredient Transparency
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • “Royal Jelly” is listed as a grouped ingredient — the label gives one combined amount (500 mg) without saying how much of each component you get.
Known Interaction Concern
Not assessable

None of the active ingredients could be matched to our interaction database.

Why this rating?
  • We couldn't match any ingredient to a HelloPharmacist monograph, so there was nothing to check interactions against.
Safety Information
Unable to assess

None of the active ingredients could be matched to our safety data.

Why this rating?
  • We couldn't match any ingredient to a HelloPharmacist monograph, so there was no safety data to measure.

HelloPharmacist summaryFully disclosed formula with no assessable stated purpose. Medication interactions could not be assessed, and safety information could not be assessed.

Assessment coverage: 0 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jun 1, 2012.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Royal Jelly 500 mg, straight from the product label.

Brand Natural Factors
Barcode (UPC) 068958031842
Net contents 60 Softgel(s)
Market status On market
Date entered into DSLD Jun 1, 2012
DSLD ID 9048
Product type Non-nutrient/non-botanical
Supplement form Softgel Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Royal Jelly 500 mg by Natural Factors, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Softgel(s)
Maximum serving Sizes:
1 Softgel(s)
UPC/BARCODE
068958031842
IngredientAmount% DV
Calories5 {Calories}--
10-Hydroxy-2-decenoic Acid10 mg--
Royal Jelly500 mg--

Other ingredients: Softgel Capsule, Vegetable Oil, Soybean Oil, Soybean Lecithin

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Brand IP Statement(s)

ENRICHING BEE FACTORS(R)

Enriching Bee Factors(R) - the "Best of the Bees".

Suggested/Recommended/Usage/Directions

Suggested Usage: 1 softgel 3-9 times per day.

Precautions

Keep out of reach of children.

Warning: Do not use this product if you are allergic to pollen.

If you have asthma consult a physician before use.

Sealed for your protection. Do not use if seal is broken.

Formula

Natural Factors Enriching Bee Factors(R) family of products includes pollen, royal jelly and propolis.

Valued for centuries, these products are now enjoyed by athletes, active people and anyone else seeking energy enhancement and support of general health.*

General Statements

Natural Factors bee pollen is gathered in the pristine Peace River Valley in Northern Canada where fresh, unpolluted air helps create the purest possible pollen. Our bee products are stringently tested for purity and potency and gently processed to retain delicate nutrients.

(Note: Product has not been fumigated or irradiated).

Royal Jelly is among the world's top legendary super-food substances. This exceptional power-house is fed exclusively to queen bees. Scientific analysis reveals a broad spectrum of nutrients including minerals, amino acids, enzymes, and co-factors. Natural Factors Royal Jelly is freeze-dried to retain important nutrients, and concentrated to ensure potent delivery of healthy constituents.

All Natural Factors products are manufactured in accordance with the Government of Canada's Good Manufacturing Practices (GMP), among the highest standards in the world.

PRODUCT OF CANADA

NUTRIENT-DENSE SUPER-FOOD*

Formulation

Contains no artificial preservatives or color; no corn, wheat or yeast.

Seals/Symbols

For freshness store in a cool, dry place.

(recycle) Recyclable container.

Purity & Potency Guaranteed

FDA Disclaimer Statement

*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

DIETARY SUPPLEMENT

General

R3

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Royal Jelly 500 mg by Natural Factors label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Royal Jelly 500 mg label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Royal Jelly 500 mg by Natural Factors

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 Softgel(s) Dosage formSoftgel Capsule Amounts shown are per serving.

Royal Jelly

Interacts with
174 drugs
500 mg per serving

Royal jelly is a nutrient-rich substance made by worker bees to feed the queen bee. People take it for menopause symptoms, energy, skin, and immune su...

Royal Jelly monograph & interactions
  • › 10-Hydroxy-2-decenoic Acid

Other (inactive) ingredients: Softgel Capsule, Vegetable Oil, Soybean Oil, Soybean Lecithin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Royal Jelly 500 mg by Natural Factors Drug Interactions

Royal Jelly 500 mg contains a single active ingredient, and it has known interactions with 174 medications. Here’s the picture, then you can look up your own drug.

Want to check YOUR meds against Royal Jelly 500 mg?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
174Drugs
174 Moderate

Ingredients driving the most interactions

Royal Jelly 174

Individual Drug Interactions

The ingredients in Royal Jelly 500 mg interact with 174 drugs. Click any drug to see the details.

1 of the 1 ingredient in Royal Jelly 500 mg interact with drugs. Each result below shows which ingredient is responsible. Royal Jelly

Each ingredient & the kinds of drugs it affects

For each ingredient in Royal Jelly 500 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Royal Jelly2 drug types · 174 drugs

Antihypertensive Drugs

Theoretically, royal jelly might increase the risk of hypotension when taken with antihypertensive drugs.
Animal research suggests that royal jelly might lower blood pressure.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Royal jelly might increase the risk of bleeding when taken with warfarin.
In one case, an 87-year-old male who was previously stabilized on warfarin developed hematuria and was found to have an INR of 7.29 after taking a royal jelly supplement for one week.

Likelihood Possible Evidence D
Royal Jelly full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Royal Jelly 500 mg, from the product label.

Natural Factors

See all Natural Factors products
Name
Natural Factors Canada
Pharmacist Counseling Corner

Royal Jelly 500 mg by Natural Factors: Common Questions

Does Royal Jelly 500 mg by Natural Factors interact with any medications?
Yes. Based on its ingredients, Royal Jelly 500 mg has a known interaction with 174 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Royal Jelly 500 mg contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Royal Jelly 500 mg is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Royal Jelly 500 mg label
Go deeper

The Full Monographs Behind Royal Jelly 500 mg’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Royal Jelly

Interacts with 174 drugs

Royal jelly is a nutrient-rich substance made by worker bees to feed the queen bee. People take it for menopause symptoms, energy, skin, and immune support, but solid human evidence is limit...

Read the full Royal Jelly monograph →
Sources

Sources & How We Checked

Royal Jelly 500 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 14 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Royal Jelly 14 references
  1. Takahashi M, Matsuo I, Ohkido M. Contact dermatitis due to honeybee royal jelly. Contact Dermatitis 1983;9:452-5.
  2. Bullock RJ, et al. Fatal royal jelly-induced asthma. Med J Aust 1994;160:44. DOI
  3. Thien FC, Leung R, Baldo BA, et al. Asthma and anaphylaxis induced by royal jelly. Clin Exp Allergy 1996;26:216-22. PubMed
  4. Yonei Y, Shibagaki K, Tsukada N, et al. Case report: haemorrhagic colitis associated with royal jelly intake. J Gastroenterol Hepatol 1997;12:495-9.
  5. Harwood M, Harding S, Beasley R, Frankish PD. Asthma following royal jelly. N Z Med J 1996;109:325.
  6. Laporte JR, Ibaanez L, Vendrell L, Ballarin E. Bronchospasm induced by royal jelly. Allergy 1996;51:440. DOI
  7. Leung R, Thien FC, Baldo B, et al. Royal jelly-induced asthma and anaphylaxis: clinical characteristics and immunologic correlations. J Allergy Clin Immunol 1995;96:1004-7. PubMed
  8. Peacock S, Murray V, Turton C. Respiratory distress and royal jelly. BMJ 1995;311:1472. DOI
  9. Winther K, Hedman C. Assessment of the Effects of the Herbal Remedy Femal on the Symptoms of Premenstrual Syndrome: A Randomized, Double-Blind, Placebo-Controlled Study. Curr Ther Res Clin Exp 2002;63:344-53. DOI
  10. Lee NJ, Fermo JD. Warfarin and royal jelly interaction. Pharmacotherapy 2006;26:583-6. PubMed
  11. Tokunaga, K. H., Yoshida, C., Suzuki, K. M., Maruyama, H., Futamura, Y., Araki, Y., and Mishima, S. Antihypertensive effect of peptides from royal jelly in spontaneously hypertensive rats. Biol.Pharm.Bull. 2004;27(2):189-192. PubMed
  12. Sultana, A., Nabi, A. H., Nasir, U. M., Maruyama, H., Suzuki, K. M., Mishima, S., and Suzuki, F. A dipeptide YY derived from royal jelly proteins inhibits renin activity. Int.J.Mol.Med. 2008;21(6):677-681. DOI
  13. Gómez Torrijos E, Méndez Diaz Y, Borja Segade JM, et al. Occupational allergic respiratory disease due to royal jelly. Ann Allergy Asthma Immunol. 2016;117(1):102-3. PubMed
  14. Li JD, Cui L, Xu YY, Guan K. A case of anaphylaxis caused by major royal jelly protein 3 of royal jelly and its cross-reactivity with honeycomb. J Asthma Allergy 2021;14:1555-7. PubMed

See these in context on the Royal Jelly monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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