Drug & supplement interaction

Sage + Desogestrel, Ethinyl Estradiol

Desogestrel, Ethinyl Estradiol brand names: Ortho-Cept 28, Ortho-Cept 21, Marvelon 21, Marvelon 28, Desogen, and others.

Moderate Interaction
The bottom line Moderate

Desogestrel, Ethinyl Estradiol falls into 4 drug categories that Sage can interact with; the most serious is rated moderate. Theoretically, sage might increase the levels and clinical effects of drugs metabolized by CYP2C9.

Read the full interaction report
SeverityModerate
LikelihoodPossible
Interactions4
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Sage and Desogestrel, Ethinyl Estradiol

These two interact in 4 distinct ways. Each one is explained separately below.

Why Are There 4 Interactions?

Sage interacts with whole categories of medication. Desogestrel, Ethinyl Estradiol falls into 4 of those categories, so it can interact with Sage in 4 different ways. We’ve listed each one below — your overall risk is driven by the most serious of them (Moderate).

Moderate

CYTOCHROME P450 2C9 (CYP2C9) SUBSTRATES

1 of 4

Why this applies to Desogestrel, Ethinyl Estradiol

Desogestrel, Ethinyl Estradiol falls under CYTOCHROME P450 2C9 (CYP2C9) SUBSTRATES — the group Sage interacts with.

Theoretically, sage might increase the levels and clinical effects of drugs metabolized by CYP2C9.
In vitro evidence suggests that aqueous extracts of sage can inhibit CYP2C9. So far, this interaction has not been reported in humans.
Severity Moderate Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the gist for your birth control pill (Desogen / Ortho-Cept). In lab tests, sage extracts can slow down an enzyme called CYP2C9, which helps your body clear certain medicines. If that slowing happened in real life, the hormones in your pill could build up a little, which in theory might mean more of the usual side effects like nausea, breast tenderness, headaches, or spotting.

The honest truth is this is only test-tube data, and it has never actually been reported in people. Cooking with sage is not a concern. Concentrated sage supplements or the essential oil are the only forms worth thinking about. If you want to use those regularly, just run it by your pharmacist or doctor first so you can keep your pill working well.

References
  1. Foster BC, Vandenhoek S, Hana J, et al. In vitro inhibition of human cytochrome P450-mediated metabolism of marker substrates by natural products. Phytomedicine 2003;10:334-42.. PubMed
Moderate

P-GLYCOPROTEIN SUBSTRATES

2 of 4

Desogestrel, Ethinyl Estradiol also falls under P-GLYCOPROTEIN SUBSTRATES.

Theoretically, sage might increase levels of drugs transported by P-glycoprotein.
In vitro research suggests that common sage (Salvia officinalis) can inhibit the multi-drug transporter protein, P-glycoprotein. This effect has not been reported in humans.
Severity Moderate Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the short version on your birth control pill (Desogen/Ortho-Cept) and sage. In lab dish studies, sage appears to block a transporter called P-glycoprotein, which helps move certain drugs around the body. In theory, slowing that pump could let a bit more of your hormones hang around. With this pill, that might translate into more of the usual estrogen-related side effects like nausea, breast tenderness, headaches, or spotting.

The big thing to keep in mind: this has only been seen in test tubes, never in people, so it's mostly theoretical. Normal cooking with sage is not a concern. If you're thinking about concentrated sage extracts or the essential oil daily, just run it by your pharmacist or doctor first so they can give you peace of mind.

References
  1. Hellum, B. H. and Nilsen, O. G. In vitro inhibition of CYP3A4 metabolism and P-glycoprotein-mediated transport by trade herbal products. Basic Clin Pharmacol Toxicol. 2008;102(5):466-475.
Moderate

CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES

3 of 4

Desogestrel, Ethinyl Estradiol also falls under CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES.

Theoretically, sage might increase the levels and clinical effects of drugs metabolized by CYP3A4.
In vitro evidence suggests that aqueous extracts of sage can inhibit CYP3A4. So far, this interaction has not been reported in humans.
Severity Moderate Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Your birth control pill (Desogen, Marvelon, Ortho-Cept) contains hormones that your liver processes using an enzyme called CYP3A4. In test-tube studies, water-based sage extracts seemed to slow that enzyme down a bit. In theory, that could let the estrogen and progestin in your pill linger a little longer, which might mean more of the usual estrogen-type side effects like nausea, breast tenderness, headaches, or spotting.

Here's the reassuring part: this has never actually been seen in people, and it comes only from lab work. Sprinkling sage on your food is not a concern. Concentrated sage capsules or essential oil are where I'd be more cautious. Nothing here means your pill will stop working, but it's worth a quick chat with your pharmacist or doctor before starting any sage supplement.

References
  1. Foster BC, Vandenhoek S, Hana J, et al. In vitro inhibition of human cytochrome P450-mediated metabolism of marker substrates by natural products. Phytomedicine 2003;10:334-42.. PubMed
  2. Hellum, B. H. and Nilsen, O. G. In vitro inhibition of CYP3A4 metabolism and P-glycoprotein-mediated transport by trade herbal products. Basic Clin Pharmacol Toxicol. 2008;102(5):466-475.
Moderate

ESTROGENS

4 of 4

Desogestrel, Ethinyl Estradiol also falls under ESTROGENS.

Theoretically, sage might interfere with hormone therapy.
In vitro evidence suggests that geraniol, a constituent of Spanish sage (Salvia lavandulaefolia), exerts estrogenic activity. The clinical significance of this effect is unclear.
Severity Moderate Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

You're asking about pairing sage with your birth control pill, which combines desogestrel and ethinyl estradiol. Here's the honest picture: this concern is purely theoretical. In a lab dish, one compound found in Spanish sage (geraniol) showed mild estrogen-like activity. That's a long way from proving anything happens inside the body, and we simply don't know if it changes how your pill works.

The everyday amount of sage you'd use in cooking is very unlikely to matter at all. Concentrated sage extracts or essential oil are a different story and deserve more caution. Since this pill prevents pregnancy, I'd rather you be safe than guess. If you're thinking about regular high-dose sage supplements, run it by your pharmacist or doctor first.

References
  1. Perry, N. S., Houghton, P. J., Sampson, J., Theobald, A. E., Hart, S., Lis-Balchin, M., Hoult, J. R., Evans, P., Jenner, P., Milligan, S., and Perry, E. K. In-vitro activity of S. lavandulaefolia (Spanish sage) relevant to treatment of Alzheimer's diseas

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Sage Also Interacts With Other Medications

Sage has 1,295 moderate known drug interactions in our database — the Desogestrel, Ethinyl Estradiol one above is among them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Sage

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

Everything else you take

See Every Supplement That Interacts With Desogestrel, Ethinyl Estradiol

This page covers Sage only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Desogestrel, Ethinyl Estradiol page lists 246 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Grapefruit (major), Siberian Cocklebur (major) and St. John's Wort (major).

By severity: 6 major · 201 moderate · 39 minor.

From our pharmacist’s overview on the Desogestrel, Ethinyl Estradiol page

“St. John's Wort is the supplement I would flag first for anyone on desogestrel with ethinyl estradiol (Desogen, Ortho-Cept, Marvelon).”

Reviewed by 2 · Jul 18, 2026

Open the Desogestrel, Ethinyl Estradiol interaction page

One more smart check

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

We hold 718 real supplement products containing Sage, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Sage. Your product may carry other ingredients that interact with Desogestrel, Ethinyl Estradiol too, on top of Sage — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Sage and Desogestrel, Ethinyl Estradiol 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 Sage
Top 25%

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

29 days ago today
Medication Desogestrel, Ethinyl Estradiol
Top 25%

#444 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.

Supplement

About Sage

What is Sage?

Sage
  • Sore throat and mouth irritation
  • Digestive upset
  • Excessive sweating
  • Memory and thinking
  • Menopause symptoms (hot flashes)
  • General antioxidant support

Sage is a common kitchen herb that is generally safe in food amounts and is traditionally used for sore throats, digestion, sweating, and memory. Some early research is encouraging for sore throat and menopausal hot flashes, but most uses are not well proven. Concentrated extracts and the essential oil should be used carefully because high doses contain a compound called thujone, which can be harmful.

Read the full Sage monograph & all interactions
Keep checking

Other Drugs & Sage

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

0Major
1,295Moderate
0Minor
1,534No known interaction
Moderate

1,295 interactions

Showing 60 of 1,295 moderate interactions — see all 1,295 on the Sage page.

No interaction 1,534 drugs checked — show the list
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

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

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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Pharmacist Counseling Corner

Taking Sage and Desogestrel, Ethinyl Estradiol Together: Common Questions

Can you take Sage with Desogestrel, Ethinyl Estradiol?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
Why are there 4 interactions listed for Sage and Desogestrel, Ethinyl Estradiol?
Desogestrel, Ethinyl Estradiol belongs to more than one drug category, and Sage interacts with each of those categories a little differently. We list every one so nothing is missed — your overall risk is driven by the most serious of them.
How serious is the Sage and Desogestrel, Ethinyl Estradiol interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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

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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.