Drug & supplement interaction

Royal Jelly + Lorcaserin

Lorcaserin brand name: Belviq.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated July 2026 · Pair last verified Sep 13, 2026

The bottom line No known interaction

We found no known interaction between Royal Jelly and Lorcaserin in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Royal Jelly and Lorcaserin

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Lorcaserin and Royal Jelly in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Royal Jelly safety at a glance

Royal Jelly overall Use caution Generally well tolerated, but it can trigger serious allergic reactions in sensitive people.

Pregnancy Avoid Not enough safety information; best to avoid during pregnancy.

Breastfeeding Avoid Not enough safety information; best to avoid while breastfeeding.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Lorcaserin and Royal Jelly? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

How we checked

Why No Interaction Is Listed for Lorcaserin

Interactions in our licensed database are recorded against drug classes, not just single drug names. Lorcaserin is filed under 4 classifications — including cytochrome p450 2d6 (cyp2d6) inhibitors, serotonergic drugs, serotonergic drugs. Royal Jelly has documented interactions with 2 drug classes — the most serious being antihypertensive drugs (moderate) and warfarin (coumadin) (moderate) — and none of Lorcaserin’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Royal Jelly Does Interact With Other Medications

Royal Jelly has 174 moderate known drug interactions in our database — Lorcaserin isn’t one of them. If you take anything else, check it against the full list below.

Moderate 174 No known interaction 2,656 (incl. Lorcaserin)

Taking anything else?

Check Another of Your Medications Against Royal Jelly

Covers the 2,830 medications we’ve checked against Royal Jelly. Pick one to open its full report.

What to actually watch for

What Royal Jelly Itself Has Been Linked To

This is not an interaction — nothing below involves Lorcaserin. It is the side-effect record for Royal Jelly on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Royal Jelly, this list is the first place to look. 2 entries are worth acting on rather than waiting out — marked below.

Wheezing / Shortness of breath / A severe allergic reaction / Hives Worth acting on Additional detail
“In people with a history of atopy or asthma, royal jelly taken orally appears to cause a high rate of allergic symptoms including pruritus, urticaria, eczema, eyelid and facial edema, conjunctivitis, rhinorrhea, dyspnea, oral allergy syndrome, and asthma. In severe cases, royal jelly can cause status asthmaticus, anaphylaxis, and death.”

Royal Jelly · Natural Medicines adverse-effect record, reported in allergic rhinitis (hay fever).
6 sources cited

792. Bullock RJ, et al. Fatal royal jelly-induced asthma. Med J Aust 1994;160:44. DOI

7315. Harwood M, Harding S, Beasley R, Frankish PD. Asthma following royal jelly. N Z Med J 1996;109:325.

7316. Laporte JR, Ibaanez L, Vendrell L, Ballarin E. Bronchospasm induced by royal jelly. Allergy 1996;51:440. DOI

10623. 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

10624. Peacock S, Murray V, Turton C. Respiratory distress and royal jelly. BMJ 1995;311:1472. DOI

108511. 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
An allergic reaction Worth acting on Additional detail

Recorded for Royal Jelly in the same Natural Medicines adverse-effect record shown under Wheezing / Shortness of breath / A severe allergic reaction / Hives above.
Itching Additional detail

Recorded for Royal Jelly in the same Natural Medicines adverse-effect record shown under Wheezing / Shortness of breath / A severe allergic reaction / Hives above.
Swelling Additional detail

Recorded for Royal Jelly in the same Natural Medicines adverse-effect record shown under Wheezing / Shortness of breath / A severe allergic reaction / Hives above.
Stomach pain / Diarrhea Additional detail
“There is one case report of hemorrhagic colitis with abdominal pain, bloody diarrhea with concomitant hemorrhagic and edematous mucosa of the sigmoid colon after ingestion of royal jelly. Symptoms resolved within 2 weeks following discontinuation of royal jelly and conservative treatment.”

Royal Jelly · Natural Medicines adverse-effect record, reported in diarrhea.
1 source cited

3516. Yonei Y, Shibagaki K, Tsukada N, et al. Case report: haemorrhagic colitis associated with royal jelly intake. J Gastroenterol Hepatol 1997;12:495-9.
Dizziness Additional detail
“There is one report of dizziness in a patient who took a combination product containing royal jelly, bee pollen extract, and a bee pollen plus pistil extract.”

Royal Jelly · Natural Medicines adverse-effect record, reported in vertigo.
1 source cited

12008. 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

Showing the 10 most notable of 11 recorded effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

Everything above comes from the Natural Medicines adverse-effect record for Royal Jelly — expand a row for the licensed statement it rests on. We haven’t matched Lorcaserin to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Lorcaserin.

Everything else you take

See Every Supplement That Interacts With Lorcaserin

This page covers Royal Jelly only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Lorcaserin page lists 40 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Lithium (major), 5-htp (moderate), Acetyl-l-carnitine (moderate) and Ayahuasca (moderate).

By severity: 2 major · 27 moderate · 11 minor.

From our pharmacist’s overview on the Lorcaserin page

“Lorcaserin (Belviq) curbs appetite by stimulating serotonin receptors, which is exactly why I would slow down before pairing it with supplements. Half the entries below also push serotonin higher, and stacking them can edge toward serotonin syndrome, a dangerous serotonin overload.”

Reviewed by 2 · Jul 18, 2026

Open the Lorcaserin interaction page

One more smart check

Taking Royal Jelly as Part of a Dietary Supplement Product? Check It for Interactions

We hold 677 real supplement products containing Royal Jelly, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Royal Jelly. Even though Royal Jelly itself has no known interaction with Lorcaserin, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Royal Jelly and Lorcaserin Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Royal Jelly

Top 25%

#269 of 1,452 supplements looked up here in the last 7 days

29 days ago today

Medication Lorcaserin

Top half

#1,306 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?

Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Royal Jelly reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Royal Jelly and Lorcaserin records this page draws on were last updated July 10, 2026.
What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.

Data structure & sourcing designed and verified by Dr. Brian Staiger, PharmD, BCPS.

Supplement

About Royal Jelly

What is Royal Jelly?

Menopausal symptoms
Skin health and wound care
Immune support
General energy and vitality
Cholesterol support
Eye dryness (eye drops)

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 limited for most uses. It is generally well tolerated by most people, but it can cause serious allergic reactions, especially in those allergic to bees or with asthma.

Secretion from the glands of worker honey bees (Apis mellifera) · Capsules, softgels, fresh (frozen) jelly, liquid, powder, and skin creams

An interaction check asks whether these two react with each other — it does not ask whether Royal Jelly is a good idea for someone in your situation. Here is what our Royal Jelly record says about it on its own.

Royal Jelly: dosing

There is no official or standardized dose of royal jelly. The amounts used in studies have varied widely, and products differ in their strength and purity.Because there is no proven best dose, it is wise to follow the directions on the product label and not take more than recommended.

From our Royal Jelly monograph — the full record covers uses, side effects and every documented interaction.

Read the full Royal Jelly monograph & all interactions

Medication

About Lorcaserin

What Is Lorcaserin Used For?

Brand name: Belviq

Lorcaserin is used to help adults who are obese or who are overweight and have weight-related medical problems to lose weight and keep from gaining back that weight. Lorcaserin must be used along with a reduced calorie diet and an exercise plan. Lorcaserin is in a class of medications called serotonin receptor agonists. It works by increasing feelings of fullness so that less food is eaten.

See full Lorcaserin drug information

Keep checking

Other Drugs & Royal Jelly

Browse every other medication we’ve checked against Royal Jelly — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major

174Moderate

0Minor

2,655No known interaction

174 Moderate 2,655 No interaction

Moderate

174 interactions

Showing 60 of 174 moderate interactions — see all 174 on the Royal Jelly page.

No interaction 2,655 drugs checked — show the list

We also checked Royal Jelly against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,655 medications checked with no known interaction — see the full Royal Jelly list.

See the full Royal Jelly interactions page

See every supplement checked against Lorcaserin, ranked by severity

Evidence & sources

Royal Jelly References

The 14 references that drive our Royal Jelly monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

Takahashi M, Matsuo I, Ohkido M. Contact dermatitis due to honeybee royal jelly. Contact Dermatitis 1983;9:452-5.
Bullock RJ, et al. Fatal royal jelly-induced asthma. Med J Aust 1994;160:44. DOI
Thien FC, Leung R, Baldo BA, et al. Asthma and anaphylaxis induced by royal jelly. Clin Exp Allergy 1996;26:216-22. PubMed
Yonei Y, Shibagaki K, Tsukada N, et al. Case report: haemorrhagic colitis associated with royal jelly intake. J Gastroenterol Hepatol 1997;12:495-9.
Harwood M, Harding S, Beasley R, Frankish PD. Asthma following royal jelly. N Z Med J 1996;109:325.
Laporte JR, Ibaanez L, Vendrell L, Ballarin E. Bronchospasm induced by royal jelly. Allergy 1996;51:440. DOI
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
Peacock S, Murray V, Turton C. Respiratory distress and royal jelly. BMJ 1995;311:1472. DOI
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
Lee NJ, Fermo JD. Warfarin and royal jelly interaction. Pharmacotherapy 2006;26:583-6. PubMed
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
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
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
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

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Royal Jelly and Lorcaserin Together: Common Questions

Is it safe to take Royal Jelly with Lorcaserin?

We do not list a known interaction between Royal Jelly and Lorcaserin. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.

How was the Royal Jelly and Lorcaserin combination checked?

Interactions in our licensed database are recorded against drug classes. Lorcaserin is filed under 4 classifications, and Royal Jelly has documented interactions with 2 drug classes — none of Lorcaserin's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.

Does Royal Jelly interact with any other medications?

Yes. Royal Jelly has 174 documented drug interactions in our database — Lorcaserin is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

Does Lorcaserin interact with any supplements?

Yes. Lorcaserin has documented interactions with 40 supplements in our database — Royal Jelly is not one of them. The Lorcaserin interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Royal Jelly monograph Uses, safety profile, and every drug interaction in one place Lorcaserin drug information The full plain-English guide to this medication Lorcaserin supplement interactions Every supplement checked against Lorcaserin, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 14 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Lorcaserin and Royal Jelly?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.