Drug & supplement interaction

N,n-dmpea + Calcium Carbonate

Calcium Carbonate brand names: Tums, Os-Cal, Adcal, Calcichew, Adcal-D3.

No Known Interaction
The bottom line No known interaction

We found no known interaction between N,n-dmpea and Calcium Carbonate 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

N,n-dmpea and Calcium Carbonate

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 Calcium Carbonate and N,n-dmpea 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.

N,n-dmpea safety at a glance

N,n-dmpea overall Use caution Human safety data are very limited, and stimulant-like effects are possible.
Pregnancy Avoid No safety data exist, so it should be avoided during pregnancy.
Breastfeeding Avoid No safety data exist, so it should be avoided while breastfeeding.

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

Still wondering about combining Calcium Carbonate and N,n-dmpea? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Calcium Carbonate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Calcium Carbonate is filed under 2 classifications — antacids, oral drugs. N,n-dmpea has documented interactions with 1 drug class — the most serious being cytochrome p450 2d6 (cyp2d6) substrates (moderate) — and none of Calcium Carbonate’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

N,n-dmpea Does Interact With Other Medications

N,n-dmpea has 193 moderate known drug interactions in our database — Calcium Carbonate isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against N,n-dmpea

Covers the 2,830 medications we’ve checked against N,n-dmpea. Pick one to open its full report.

From our Q&A

Questions About N,n-dmpea or Calcium Carbonate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers N,n-dmpea or Calcium Carbonate, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Calcium Carbonate

This page covers N,n-dmpea only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Calcium Carbonate page lists 30 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Cinchona (moderate), Coffee Charcoal (moderate), European Mandrake (moderate) and Glucomannan (moderate).

By severity: 1 major · 10 moderate · 19 minor.

From our pharmacist’s overview on the Calcium Carbonate page

“Calcium carbonate (Tums, Os-Cal) feels like the most harmless thing in the medicine cabinet, which is exactly why its supplement list deserves a careful read, led by activated charcoal, the single major-rated entry. Charcoal adsorbs many medicines in the gut and can strip away their effect, and it does not spare oral drugs taken alongs…”

Reviewed by 2 · Jul 18, 2026

Open the Calcium Carbonate interaction page

How much people look this up

Where N,n-dmpea and Calcium Carbonate 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 N,n-dmpea
Steady interest

#1,148 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Calcium Carbonate
Top 25%

#442 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 N,n-dmpea reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The N,n-dmpea and Calcium Carbonate 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 N,n-dmpea

What is N,n-dmpea?

  • Mood or energy support
  • Pre-workout or stimulant effect
  • Cognitive or focus support

N,N-DMPEA (N,N-dimethylphenethylamine) is a synthetic relative of phenethylamine sometimes marketed in stimulant or pre-workout supplements. There is very little reliable human research on its effects or safety, and it is not a well-established dietary ingredient, so it should be approached with real caution.

Powder, capsules, research chemical

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

N,n-dmpea: dosing

There is no established or standardized safe dose of N,N-DMPEA. Because it has not been properly studied in humans, no reliable dosing guidance exists.If a product contains it, follow the product label, but understand that label amounts may not be accurate or safe.

From our N,n-dmpea monograph — the full record covers uses, side effects and every documented interaction.

Read the full N,n-dmpea monograph & all interactions
Medication

About Calcium Carbonate

What Is Calcium Carbonate Used For?

Brand names: Tums, Os-Cal, Adcal, Calcichew, Adcal-D3

Most calcium carbonate products are used as an antacid — they quickly relieve heartburn, acid indigestion, sour stomach, and upset stomach. This covers a wide range of brands including Tums, Rolaids, CAREONE Extra Strength, Calcium Carbonate Chewable Antacid, exchange select Extra Strength Antacid, Extra Strength Smooth, and the Children's Antacid and Children's Stomach Relief Antacid liquids.

Some products go beyond antacid use. Ki No Sin (capsule) is used as a health supplement to aid body functions affected by diabetes and kidney disease, and to help maintain normal calcium levels. Na Mi Cal is a supplement intended to support healthy bone development and help prevent osteoporosis. TC Max oral solution is indicated for the relief of heartburn, acid indigestion, sour stomach, and upset stomach.

See full Calcium Carbonate drug information
Keep checking

Other Drugs & N,n-dmpea

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

0Major
193Moderate
0Minor
2,636No known interaction
Moderate

193 interactions

Showing 60 of 193 moderate interactions — see all 193 on the N,n-dmpea page.

No interaction 2,636 drugs checked — show the list
Evidence & sources

N,n-dmpea References

The 2 references that drive our N,n-dmpea 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. Liu Y, Santillo MF. Cytochrome P450 2D6 and 3A4 enzyme inhibition by amine stimulants in dietary supplements. Drug Test Anal. 2016;8(3-4):307-10. PubMed
  2. Schoenwald RD, Vidvauns S, Wurster DE, Barfknecht CF. Tear film stability of protein extracts from dry eye patients administered a sigma agonist. J Ocul Pharmacol Ther 1997;13(2):151-61. 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 N,n-dmpea and Calcium Carbonate Together: Common Questions

Is it safe to take N,n-dmpea with Calcium Carbonate?
We do not list a known interaction between N,n-dmpea and Calcium Carbonate. 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 N,n-dmpea and Calcium Carbonate combination checked?
Interactions in our licensed database are recorded against drug classes. Calcium Carbonate is filed under 2 classifications, and N,n-dmpea has documented interactions with 1 drug class — none of Calcium Carbonate'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 N,n-dmpea interact with any other medications?
Yes. N,n-dmpea has 193 documented drug interactions in our database — Calcium Carbonate 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 Calcium Carbonate interact with any supplements?
Yes. Calcium Carbonate has documented interactions with 30 supplements in our database — N,n-dmpea is not one of them. The Calcium Carbonate interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Calcium Carbonate and N,n-dmpea?

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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.