Drug & supplement interaction

Rehmannia + Setmelanotide

Setmelanotide brand name: Imcivree.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Rehmannia and Setmelanotide 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

Rehmannia and Setmelanotide

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 Setmelanotide and Rehmannia 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.

Rehmannia safety at a glance

Rehmannia overall Use caution Generally used in traditional medicine, but human safety data are limited and quality varies between products.
Pregnancy Avoid Not enough safety information; best avoided during pregnancy.
Breastfeeding Avoid Not enough safety information; best avoided while breastfeeding.

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

Still wondering about combining Setmelanotide and Rehmannia? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
Keep it in perspective

Rehmannia Does Interact With Other Medications

Rehmannia has 258 moderate known drug interactions in our database — Setmelanotide isn’t one of them. If you take anything else, check it against the full list below.

Moderate 258 No known interaction 2,572 (incl. Setmelanotide)
Taking anything else?

Check Another of Your Medications Against Rehmannia

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

What to actually watch for

What Setmelanotide’s Own FDA Label Lists

This is not an interaction — none of it involves Rehmannia. These are the most notable effects listed in the ADVERSE REACTIONS section of Setmelanotide’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 5 of them are worth acting on rather than waiting out — marked below.

  • Thoughts of self-harm Worth acting on
  • Low sodium Worth acting on
  • Low mood Worth acting on
  • A severe allergic reaction Worth acting on
  • An allergic reaction Worth acting on
  • Stomach pain
  • Diarrhea
  • Vomiting
  • Headache
  • Nausea

From the ADVERSE REACTIONS section of the FDA label for Setmelanotide. Read the label on DailyMed › Rehmannia’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Rehmannia side to compare — that is a limit of the record, not a statement that Rehmannia has no side effects.

Overlapping uses

What Setmelanotide Is Prescribed For, and What Rehmannia Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Setmelanotide is a prescription medicine with approved uses on its FDA label. Rehmannia is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Setmelanotide is prescribed for: Imcivree is used to reduce excess body weight and maintain that weight loss long-term in adults and children with certain rare, specific causes of obesity. It is not intended for general weight loss or common obesity. Imcivree is approved for: acquired hypothalamic obesity (HO) in patients aged 4 and older; Bardet-Biedl syndrome (BBS) in patients aged 2 and older; and obesity caused by confirmed deficiencies of POMC, PCSK1, or LEPR genes (pathogenic, likely pathogenic, or uncertain-significance variants) in patients aged 2 and older.

Rehmannia has been studied for:

  • Obesity studied, not established Rehmannia has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Rehmannia for obesity

    It is unclear if oral rehmannia root extract is beneficial in patients with obesity.

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Setmelanotide on your own; if you are taking Rehmannia for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

One more smart check

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

We hold 861 real supplement products containing Rehmannia, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Rehmannia. Even though Rehmannia itself has no known interaction with Setmelanotide, 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 Rehmannia and Setmelanotide 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 Rehmannia
Top 25%

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

29 days ago today
Medication Setmelanotide
Top 25%

#649 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 Rehmannia reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Rehmannia and Setmelanotide records this page draws on were last updated June 22, 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 .
Supplement

About Rehmannia

What is Rehmannia?

  • Kidney and adrenal support
  • Anemia and blood building (traditional)
  • Inflammatory conditions
  • Allergies
  • Fatigue and aging-related complaints

Rehmannia is a root used for centuries in Traditional Chinese Medicine, often to 'tonify' the kidneys and support energy or blood health. Human evidence for most modern uses is limited, so it should be viewed as unproven rather than reliable. Talk with a pharmacist or doctor before trying it, especially if you are pregnant, breastfeeding, or take other medicines.

Rehmannia glutinosa · Orobanchaceae · Root (raw or steam-prepared) · Dried root, decoctions/teas, capsules, tinctures, and ingredient in multi-herb formulas

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

Rehmannia: dosing

There is no official, well-established standardized dose for Rehmannia. Traditional use varies widely depending on the form (raw versus prepared root), whether it is a tea, capsule, or tincture, and whether it is part of a larger herbal formula.The safest approach is to follow the directions on the product label and not exceed them.

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

Read the full Rehmannia monograph & all interactions
Medication

About Setmelanotide Injection

What Is Setmelanotide Injection Used For?

Brand name: Imcivree

Imcivree is used to reduce excess body weight and maintain that weight loss long-term in adults and children with certain rare, specific causes of obesity. It is not intended for general weight loss or common obesity.

Imcivree is approved for: acquired hypothalamic obesity (HO) in patients aged 4 and older; Bardet-Biedl syndrome (BBS) in patients aged 2 and older; and obesity caused by confirmed deficiencies of POMC, PCSK1, or LEPR genes (pathogenic, likely pathogenic, or uncertain-significance variants) in patients aged 2 and older.

See full Setmelanotide Injection drug information
Keep checking

Other Drugs & Rehmannia

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

0Major
258Moderate
0Minor
2,571No known interaction
258 Moderate 2,571 No interaction
Moderate

258 interactions

Showing 60 of 258 moderate interactions — see all 258 on the Rehmannia page.

No interaction 2,571 drugs checked — show the list

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

Showing the 60 most looked-up of 2,571 medications checked with no known interaction — see the full Rehmannia list.

See the full Rehmannia interactions page
See every supplement checked against Setmelanotide, ranked by severity
Evidence & sources

Rehmannia References

The 3 references that drive our Rehmannia 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.

  1. Zhang R, Zhou J, Jia Z, et al. Hypoglycemic effect of Rehmannia glutinosa oligosaccharide in hyperglycemic and alloxan-induced diabetic rats and its mechanism. J Ethnopharmacol 2004;90:39-43. PubMed
  2. Zhang RX, Li MX, Jia ZP. Rehmannia glutinosa: review of botany, chemistry and pharmacology. J Ethnopharmacol 2008;117(2):199-214. PubMed
  3. Chao CH, Hsu JL, Chen MF, et al. Anti-hypertensive effects of Radix Rehmanniae and its active ingredients. Nat Prod Res. 2020;34(11):1547-1552.

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 Rehmannia and Setmelanotide Together: Common Questions

Is it safe to take Rehmannia with Setmelanotide?
We do not list a known interaction between Rehmannia and Setmelanotide. 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.
Are Rehmannia and Setmelanotide used for the same thing?
They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Rehmannia in each. That is a conversation for your prescriber, especially if Setmelanotide is being adjusted to a target.
Does Rehmannia interact with any other medications?
Yes. Rehmannia has 258 documented drug interactions in our database — Setmelanotide is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

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

Where next

Keep Exploring

Rehmannia monograph Uses, safety profile, and every drug interaction in one place Setmelanotide Injection drug information The full plain-English guide to this medication Setmelanotide supplement interactions Every supplement checked against Setmelanotide, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Setmelanotide and Rehmannia?

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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.