Medication interaction hub

What Supplements Interact with Doxycyline?

Doxycyline brand name: Doxychel. Every interaction below applies to the brands too.

149 Interactions 6 Major 132 Moderate 11 Minor
Curated & coded by · Clinical Pharmacist · Updated September 22, 2026

Drug–supplement interaction data sourced from Natural Medicines Pro, the licensed clinical database from TRC Healthcare / Therapeutic Research, with additional analysis by the HelloPharmacist Pharmacist Team. Our sources · Editorial policy

What is this page for?

One answer, for one medication: what supplements and herbal products interact with Doxycyline? Every vitamin, herb, and supplement ingredient we’ve checked against it is on this page, ranked by severity, each linking to the full report for that exact pair.

This page covers supplement interactions only — to check Doxycyline against your other medications, use the drug–drug interaction checker. Educational information from our licensed clinical databases, not medical advice. Our editorial policy

HelloPharmacist Bottom Line
Our Pharmacist Explains
What is this? The interaction data in the HelloPharmacist supplement database is licensed from Natural Medicines Pro by TRC Healthcare (Therapeutic Research). HelloPharmacist pharmacists often add our own analysis and context on top of that licensed data — such as this Bottom Line summary and the notes on individual interaction pages — and any such commentary is noted as ours.

I read the supplement list for doxycycline (Doxychel) as one to approach with real care, starting with its major-rated entries. Heavy alcohol, including beer and wine, adds to the liver strain this antibiotic can cause, botanicals such as Siberian cocklebur can compound stress on the kidneys, and St. John's wort speeds doxycycline out of the body, which can leave too little of the drug to clear your infection.

Most of the rest is more manageable but still worth planning around. Calcium and magnesium products grab doxycycline in the gut before it can absorb, so take the antibiotic at least two hours before or four to six hours after them. Probiotics get killed off if swallowed alongside a dose, and since doxycycline already makes skin sun-sensitive, photosensitizing ingredients stack on that. Beyond the six majors, 132 entries rate moderate and 11 minor.

— , Clinical Pharmacist · July 18, 2026

Major 6 Moderate 132 Minor 11 No known interaction 1,303

This box checks one ingredient at a time (like turmeric or magnesium). Taking a supplement product with a whole label of ingredients? Search the product instead — we check every ingredient on it ↓

Most Viewed Ingredient Interactions

Doxycyline: Top Interactions at a Glance

The Doxycyline supplement & herbal interactions people checked most in the last 24 hours, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 149 interacting ingredients — plus 1,303 more checked with no known interaction. See the complete ranked list.

Start here

The Most-Checked Doxycyline Combinations Today

The Doxycyline + supplement pages people viewed most in the last 24 hours (resets at midnight). Open any card for the full report.

Moderate Likelihood Probable Zinc + Doxycylinei

Zinc might reduce levels of tetracycline antibiotics.

Read the full interaction Moderate Likelihood Possible Pectin + Doxycylinei

Theoretically, pectin might reduce the absorption of tetracycline antibiotics, potentially decreasing their effectiveness.

Read the full interaction Minor Likelihood Possible Uva Ursi + Doxycylinei

Theoretically, uva ursi may alter the levels of drugs transported by P-glycoprotein.

Read the full interaction Moderate Likelihood Possible Riboflavin + Doxycylinei

Theoretically, taking riboflavin with tetracycline antibiotics may decrease the potency of these antibiotics.

Read the full interaction Minor Likelihood Possible Bromelain + Doxycylinei

Theoretically, bromelain might increase levels of tetracycline antibiotics.

Read the full interaction Moderate Likelihood Possible Kava + Doxycylinei

Theoretically, using kava with hepatotoxic drugs might increase the risk of liver damage.

Read the full interaction
The complete list

Every Supplement Checked Against Doxycyline

All 1,452 ingredients in our database, ranked by severity — 149 with a Doxycyline interaction on file and 1,303 with none found. Filter by severity or search any ingredient; hover the for what each ingredient is.

Looking for an interaction with a specific supplement product? Search products instead ↓

Straight answers

Can You Take It With Doxycyline?

One-line answers, one card per combination — scroll through today’s 20 and tap any card for the full report. A different set rotates in daily until every combination has had its turn.

Can you take Zinc with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Zinc might reduce levels of tetracycline antibiotics.

Full Zinc + Doxycyline answer

Can you take Pectin with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, pectin might reduce the absorption of tetracycline antibiotics, potentially decreasing their effectiveness.

Full Pectin + Doxycyline answer

Can you take Uva Ursi with Doxycyline?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, uva ursi may alter the levels of drugs transported by P-glycoprotein.

Full Uva Ursi + Doxycyline answer

Can you take Riboflavin with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking riboflavin with tetracycline antibiotics may decrease the potency of these antibiotics.

Full Riboflavin + Doxycyline answer

Can you take Bromelain with Doxycyline?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, bromelain might increase levels of tetracycline antibiotics.

Full Bromelain + Doxycyline answer

Can you take Eleuthero with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, eleuthero might increase levels of P-glycoprotein substrates.

Full Eleuthero + Doxycyline answer

Can you take Ephedra with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might have additive adverse hepatotoxic effects.

Full Ephedra + Doxycyline answer

Can you take Epistane with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might have additive adverse hepatotoxic effects.

Full Epistane + Doxycyline answer

Can you take Fig with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, fig might increase the risk of photosensitivity when used in combination with photosensitizing drugs.

Full Fig + Doxycyline answer

Can you take Flaxseed with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, antibiotics might interfere with the metabolism of flaxseed constituents, which could potentially alter the effects of flaxse...

Full Flaxseed + Doxycyline answer

Can you take Fo-ti with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.

Full Fo-ti + Doxycyline answer

Can you take Foxglove with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of quinine increases the risk of cardiac glycoside toxicity.

Full Foxglove + Doxycyline answer

Can you take Garcinia with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use with other potentially hepatotoxic drugs might increase the risk of developing liver damage.

Full Garcinia + Doxycyline answer

Can you take Ginger with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Ginger might increase the absorption and blood levels of P-glycoprotein (P-gp) substrates.

Full Ginger + Doxycyline answer

Can you take Ginkgo with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking ginkgo with drugs that lower the seizure threshold might increase the risk for convulsions.

Full Ginkgo + Doxycyline answer

Can you take Gotu Kola with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking gotu kola with hepatotoxic drugs might have additive adverse effects.

Full Gotu Kola + Doxycyline answer

Can you take Greater Celandine with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. There is some concern that greater celandine can adversely affect the liver.

Full Greater Celandine + Doxycyline answer

Can you take Green Tea with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Green tea might increase the levels and adverse effects of P-glycoprotein (P-gp) substrates.

Full Green Tea + Doxycyline answer

Can you take Hedge Mustard with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking hedge mustard with tetracycline antibiotics might increase the risk of cardiac glycoside toxicity.

Full Hedge Mustard + Doxycyline answer

Can you take Hemp Agrimony with Doxycyline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Hemp agrimony contains hepatotoxic pyrrolizidine alkaloids (PA).

Full Hemp Agrimony + Doxycyline answer
Read the list like a pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction 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.
  • Possible. 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
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each entry links to a full report with the clinical detail, likelihood, evidence level, and citations for that exact combination.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

How Does Our Interaction Checker Work?

Behind every verdict on this page is a category system. Our source database doesn’t document supplement interactions drug-by-drug — it documents them against groups of medications that behave the same way (for example, “drugs processed by the CYP3A4 liver enzyme” or “blood-thinning medications”).

So the check works in three steps: (1) Doxycyline is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Doxycyline, and (3) each ingredient keeps its own severity, likelihood, and evidence grades from the underlying record. That’s why one supplement can carry several records for one drug — it may interact through more than one category.

Doxycyline sits in 8 interaction categories. Open any one to see what the group means:

Hepatotoxic Drugs 38 ingredients

Medications with known liver considerations. Supplements that can stress the liver add to the load.

38 of the supplement ingredients on this page reach Doxycyline through this category.

P-Glycoprotein Substrates 37 ingredients

A drug-transport group: these medications are moved in and out of cells by the P-glycoprotein pump. Supplements that affect the pump can change how much of the drug is absorbed or kept in the body.

37 of the supplement ingredients on this page reach Doxycyline through this category.

Antibiotic Drugs 27 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

27 of the supplement ingredients on this page reach Doxycyline through this category.

Tetracycline Antibiotics 24 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

24 of the supplement ingredients on this page reach Doxycyline through this category.

Photosensitizing Drugs 20 ingredients

Medications that make skin more sun-sensitive. Supplements with the same property can compound it.

20 of the supplement ingredients on this page reach Doxycyline through this category.

Nephrotoxic Drugs 6 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

6 of the supplement ingredients on this page reach Doxycyline through this category.

Seizure Threshold Lowering Drugs 6 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

6 of the supplement ingredients on this page reach Doxycyline through this category.

Doxycycline (Vibramycin) 2 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

2 of the supplement ingredients on this page reach Doxycyline through this category.

About Doxycyline

Doxycycline is a tetracycline antibiotic used to treat bacterial infections, acne, rosacea, and to prevent malaria and anthrax.

Generic name: Doxycyline  ·  Brand name: Doxychel.

See the full Doxycycline drug information

Related: does Doxycyline deplete any nutrients?

Doxycyline has 7 reported nutrient associations in the research literature — see the Doxycyline nutrient depletion report.

Check a real product

Take a Supplement Product? Check the Whole Bottle Against Doxycyline

Most supplements are combination products — and the interaction may come from an ingredient you didn’t buy it for. Search any product below (or scan its label) and we’ll check every ingredient on it against Doxycyline.

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Pharmacist Counseling Corner

Doxycyline & Supplements: Common Questions

What supplements interact with Doxycyline?
In our interaction database, 149 supplement and herbal ingredients have an interaction with Doxycyline on file — 6 rated major, 132 moderate, and 11 minor. That number sounds scarier than it is: severity matters far more than the count, which is why the list on this page is ranked instead of alphabetical. Start at the top. The highest-ranked right now: Siberian Cocklebur, Beer, Oleander.
Which Doxycyline supplement interactions are the most serious?
The 6 major-rated combinations — led by Siberian Cocklebur, Beer, Oleander, St. John's Wort and Wine — deserve real caution: these are the ones generally best avoided, or used only with your prescriber watching. If you take any of them today, don't panic and don't stop anything abruptly — call your pharmacist first. Jump to the ranked list.
Can I take vitamins or supplements while on Doxycyline?
That depends entirely on which supplement. The honest answer for Doxycyline is in the ranked list above — and if what you take is a combination product with a dozen ingredients, don't check them one by one: photograph the label with our scanner and we'll check the whole thing at once. Try the label scanner or the interaction checker.
Do brands like Doxychel have the same supplement interactions as Doxycyline?
Yes — Doxychel all contain Doxycyline, so everything on this page applies to them equally. Interactions belong to the active drug, never to the brand on the box; the same is true of generics.
Where do these interaction ratings come from?
Every rating comes from the Natural Medicines database — the same evidence-graded reference pharmacists and hospitals use — and each interaction carries three separate grades: severity (how bad it can be), likelihood (how well it's documented in studies and case reports), and an evidence level. Our pharmacists review the content; we never let an AI decide an interaction. See how to read the ratings and our editorial policy.
Does Doxycyline deplete any vitamins or nutrients?
It might — Doxycyline has 7 reported nutrient-depletion associations in the research literature, which is a different question from interactions: instead of a supplement changing the drug, the drug may lower a nutrient over time. See the Doxycyline nutrient depletion report for the specifics and what to discuss with your pharmacist.
What about Doxycyline and my other medications?
This page covers Doxycyline against supplements and herbal ingredients. Checking Doxycyline against your other prescription or OTC medications is a different tool — our drug interaction checker covers that side. Head to the drug–drug interaction checker, or read the full Doxycycline drug information.

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

Where next

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Sourcing

Where This Data Comes From — and Why You Can Trust It

🧪 Licensed clinical database

Every interaction verdict on this page comes from Natural Medicines Pro (TRC Healthcare / Therapeutic Research) — the same evidence-graded reference used by pharmacists and hospitals. We license this data directly; we do not scrape it, and no AI invents an interaction.

🧑‍⚕️ Pharmacist review

This page is curated and coded by , Clinical Pharmacist, with additional analysis by the HelloPharmacist Pharmacist Team. Editorial commentary is ours; the licensed interaction records are shown as sourced.

🔄 Kept current

Our interaction database refreshes on a weekly cycle, and this page re-checks the live database every time it’s rebuilt — what you see reflects the database as of September 22, 2026.

🔍 Full transparency

How every dataset on this site is sourced, licensed, and updated is documented publicly: our data sources · editorial policy · how we use AI.

Educational information, not medical advice. An interaction being on file does not mean it will happen to you — and absence of one is not proof of safety. Never start or stop a medication or supplement without talking to your pharmacist or doctor.