Medication interaction hub

What Supplements Interact with Demeclocycline?

Demeclocycline brand name: Declomycin. Every interaction below applies to the brands too.

161 Interactions 7 Major 134 Moderate 20 Minor
Curated & coded by · Clinical Pharmacist · Updated September 24, 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 Demeclocycline? 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 Demeclocycline 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

161 supplements and herbal ingredients have interactions with Demeclocycline on file in the HelloPharmacist interaction database — 7 rated major, 134 moderate, and 20 minor. The most serious involve Siberian Cocklebur, Activated Charcoal, Beer, Oleander and St. John's Wort.

Our assessment: with 7 major-rated interactions on the list, this one deserves real attention — know the major entries before combining anything with Demeclocycline.

Major 7 Moderate 134 Minor 20 No known interaction 1,291

Ranked by severity below. Every entry links to the full pharmacist-reviewed report for that exact combination — what can happen, how likely it is, and what to do about it.

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

Demeclocycline: Top Interactions at a Glance

The Demeclocycline 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 161 interacting ingredients — plus 1,291 more checked with no known interaction. See the complete ranked list.

Start here

The Most-Checked Demeclocycline Combinations Today

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

Minor Likelihood Possible Bromelain + Demeclocyclinei

Theoretically, bromelain might increase levels of tetracycline antibiotics.

Read the full interaction Moderate Likelihood Probable Iron + Demeclocyclinei

Iron might decrease levels of tetracycline antibiotics by reducing their absorption.

Read the full interaction Moderate Likelihood Probable Zinc + Demeclocyclinei

Zinc might reduce levels of tetracycline antibiotics.

Read the full interaction Major Likelihood Probable Activated Charcoal + Demeclocyclinei

Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.

Read the full interaction Moderate Likelihood Possible Riboflavin + Demeclocyclinei

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

Read the full interaction Moderate Likelihood Possible Flaxseed + Demeclocyclinei

Theoretically, antibiotics might interfere with the metabolism of flaxseed constituents, which could potentially alter the effects of flaxseed.

Read the full interaction
The complete list

Every Supplement Checked Against Demeclocycline

All 1,452 ingredients in our database, ranked by severity — 161 with a Demeclocycline interaction on file and 1,291 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 Demeclocycline?

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 Bromelain with Demeclocycline?

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 + Demeclocycline answer

Can you take Iron with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Iron might decrease levels of tetracycline antibiotics by reducing their absorption.

Full Iron + Demeclocycline answer

Can you take Zinc with Demeclocycline?

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 + Demeclocycline answer

Can you take Activated Charcoal with Demeclocycline?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the rout...

Full Activated Charcoal + Demeclocycline answer

Can you take Riboflavin with Demeclocycline?

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 + Demeclocycline answer

Can you take Indian Long Pepper with Demeclocycline?

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

Full Indian Long Pepper + Demeclocycline answer

Can you take Kava with Demeclocycline?

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

Full Kava + Demeclocycline answer

Can you take Khella with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might result in increased photosensitivity.

Full Khella + Demeclocycline answer

Can you take Kudzu with Demeclocycline?

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

Full Kudzu + Demeclocycline answer

Can you take Licorice with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, licorice might decrease the absorption of P-glycoprotein substrates.

Full Licorice + Demeclocycline answer

Can you take Ligandrol with Demeclocycline?

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

Full Ligandrol + Demeclocycline answer

Can you take Light Therapy with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Light therapy may increase the risk for photosensitization.

Full Light Therapy + Demeclocycline answer

Can you take Lily-of-the-valley with Demeclocycline?

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

Full Lily-of-the-valley + Demeclocycline answer

Can you take Lime with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of lime oil with photosensitizing drugs may increase the risk of phototoxicity.

Full Lime + Demeclocycline answer

Can you take Manchurian Thorn with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Animal research suggests that high doses of Manchurian thorn can induce liver damage.

Full Manchurian Thorn + Demeclocycline answer

Can you take Methoxylated Flavones with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. In vitro evidence shows that some methoxylated flavones including tangeretin, nobiletin, and heptamethoxyflavone, inhibit P-glycoprotein.

Full Methoxylated Flavones + Demeclocycline answer

Can you take Moringa with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, moringa leaf extract might increase the levels and clinical effects of P-glycoprotein substrates.

Full Moringa + Demeclocycline answer

Can you take Mountain Ash with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Taking large amounts of fresh mountain ash berries may cause kidney damage due to its parasorbic acid constituent.

Full Mountain Ash + Demeclocycline answer

Can you take Neem with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, neem leaf extract might increase the levels and clinical effects of P-glycoprotein substrates.

Full Neem + Demeclocycline answer

Can you take Niacin with Demeclocycline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of niacin and hepatotoxic drugs might increase the risk of hepatotoxicity.

Full Niacin + Demeclocycline 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) Demeclocycline is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Demeclocycline, 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.

Demeclocycline sits in 7 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 Demeclocycline 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 Demeclocycline 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 Demeclocycline 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 Demeclocycline 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 Demeclocycline through this category.

Oral Drugs 17 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.

17 of the supplement ingredients on this page reach Demeclocycline 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 Demeclocycline through this category.

About Demeclocycline

Demeclocycline is a tetracycline antibiotic used to treat a wide range of bacterial infections, including respiratory tract infections, tick-borne illnesses, sexually transmitted infections, and skin infections.

Generic name: Demeclocycline  ·  Brand name: Declomycin.

See the full Demeclocycline drug information

Related: does Demeclocycline deplete any nutrients?

Demeclocycline has 11 reported nutrient associations in the research literature — see the Demeclocycline nutrient depletion report.

Check a real product

Take a Supplement Product? Check the Whole Bottle Against Demeclocycline

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 Demeclocycline.

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Pharmacist Counseling Corner

Demeclocycline & Supplements: Common Questions

What supplements interact with Demeclocycline?
More than you might expect — 161 in total, though they are far from equal: 7 are rated major, 134 moderate, and 20 minor. The ranked list on this page puts the ones that genuinely matter first, and every entry opens a full report on that exact pair. The highest-ranked right now: Siberian Cocklebur, Activated Charcoal, Beer.
Which Demeclocycline supplement interactions are the most serious?
Focus on the major group: Siberian Cocklebur, Activated Charcoal, Beer, Oleander and St. John's Wort, among others. A major rating means the combination can be clinically significant, not that harm is guaranteed — but it's exactly the kind of thing to run past your pharmacist before your next dose, not after. Jump to the ranked list.
Can I take vitamins or supplements while on Demeclocycline?
Usually yes — most people on Demeclocycline can take most supplements. The catch is the exceptions, and they aren't always the exotic ones (St. John's Wort trips up more prescriptions than almost anything sold next to it). Look up each ingredient you actually take in the list above, and treat "no known interaction" as a green-ish light, not a guarantee. Try the label scanner or the interaction checker.
Do brands like Declomycin have the same supplement interactions as Demeclocycline?
Yes — Declomycin all contain Demeclocycline, 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 Demeclocycline deplete any vitamins or nutrients?
It might — Demeclocycline has 11 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 Demeclocycline nutrient depletion report for the specifics and what to discuss with your pharmacist.
What about Demeclocycline and my other medications?
This page covers Demeclocycline against supplements and herbal ingredients. Checking Demeclocycline 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 Demeclocycline 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 24, 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.