Drug & supplement interaction

Casein Peptides + Imatinib

Imatinib brand name: Gleevec.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Casein Peptides and Imatinib 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. Additionally, although there is no interaction, the label for Imatinib states a food rule worth keeping to.

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Interaction report

Casein Peptides and Imatinib

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 Imatinib and Casein Peptides 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.

Casein Peptides safety at a glance

Casein Peptides overall Use caution Generally well tolerated in healthy adults, but people with milk allergy should avoid them.
Pregnancy Use caution Not enough reliable safety data, so it is best to avoid concentrated supplements unless advised by your doctor.
Breastfeeding Use caution Safety of supplement doses is not well studied, so caution is advised.

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

Still wondering about combining Imatinib and Casein Peptides? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Imatinib

Interactions in our licensed database are recorded against drug classes, not just single drug names. Imatinib is filed under 8 classifications — including antineoplastics, cytochrome p450 2c9 (cyp2c9) inhibitors, cytochrome p450 2d6 (cyp2d6) inhibitors. Casein Peptides has documented interactions with 1 drug class — the most serious being antihypertensive drugs (moderate) — and none of Imatinib’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

Casein Peptides Does Interact With Other Medications

Casein Peptides has 172 moderate known drug interactions in our database — Imatinib 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 Casein Peptides

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

What to actually watch for

What Imatinib’s Own FDA Label Lists

This is not an interaction — none of it involves Casein Peptides. These are the most notable effects listed in the ADVERSE REACTIONS section of Imatinib’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. 10 of them are worth acting on rather than waiting out — marked below.

  • Low magnesium Worth acting on
  • A change in thyroid levels Worth acting on
  • Hearing loss Worth acting on
  • A bowel blockage Worth acting on
  • Severe muscle breakdown Worth acting on
  • Muscle weakness Worth acting on
  • Memory problems Worth acting on
  • Dehydration Worth acting on
  • Trouble swallowing Worth acting on
  • Bleeding in the gut Worth acting on

Showing the 10 most notable of 89 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Imatinib. Read the label on DailyMed › Where a percentage is shown, it is the share of 41,419 voluntary FDA FAERS reports for Imatinib that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Casein Peptides’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Casein Peptides side to compare — that is a limit of the record, not a statement that Casein Peptides has no side effects.

How to take them

Some Imatinib Products Have a Food Rule — Casein Peptides Should Not Break It

At least one FDA label for a product containing Imatinib says to take it with food. If you take Casein Peptides on an empty stomach out of habit, keep them separate — and take Imatinib with a meal where the label says to.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Imatinib products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

Drug Administration The prescribed dose should be administered orally, with a meal and a large glass of water.

From the Dosage and Administration section of the FDA label we read for Imatinib — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

Overlapping uses

What Imatinib Is Prescribed For, and What Casein Peptides Has Been Studied For

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

Imatinib is prescribed for: Imatinib treats a range of blood cancers and solid tumors. It is used for Philadelphia chromosome positive chronic myeloid leukemia (Ph+ CML) in adults and children — whether newly diagnosed or in more advanced phases — and for Philadelphia chromosome positive acute lymphoblastic leukemia (Ph+ ALL) in both adults and pediatric patients. It is also used for Kit-positive gastrointestinal stromal tumors (GIST), including after surgical removal, and for several rarer conditions: myelodysplastic/myeloproliferative diseases (MDS/MPD) linked to specific gene changes, aggressive systemic mastocytosis (ASM), hypereosinophilic syndrome (HES) and/or chronic eosinophilic leukemia (CEL), and unresectable, recurrent, or metastatic dermatofibrosarcoma protuberans (DFSP).

Casein Peptides has been studied for:

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

    Casein Peptides for cancer

    Although there has been interest in using oral casein peptides for cancer, there is insufficient reliable information about the clinical effects of casein peptides for this purpose.

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 Imatinib on your own; if you are taking Casein Peptides for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

Everything else you take

See Every Supplement That Interacts With Imatinib

This page covers Casein Peptides only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Imatinib page lists 153 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), Arsenic (major), Cesium (major) and Ephedra (major).

By severity: 8 major · 106 moderate · 39 minor.

From our pharmacist’s overview on the Imatinib page

“Imatinib (Gleevec) treats certain leukemias and gastrointestinal tumors, and because keeping its blood level steady is what keeps the cancer controlled, this list deserves genuine attention before you add anything to it. Most of the interactions trace back to how the body clears imatinib through an enzyme called CYP3A4.”

Reviewed by 2 · Jul 18, 2026

Open the Imatinib interaction page

One more smart check

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

We hold 82 real supplement products containing Casein Peptides, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Casein Peptides. Even though Casein Peptides itself has no known interaction with Imatinib, 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 Casein Peptides and Imatinib 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 Casein Peptides
Steady interest

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

29 days ago today
Medication Imatinib
Steady interest

#2,046 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 Casein Peptides reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Casein Peptides and Imatinib 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 Casein Peptides

What is Casein Peptides?

  • High blood pressure
  • Stress and relaxation
  • Sleep support
  • General wellness/protein supplement

Casein peptides are small protein fragments made from milk casein, often studied for mild blood pressure support and relaxation. The evidence is limited and mostly modest, so they should not replace proven treatments. People with milk allergy should avoid them, and anyone with a health condition should check with a pharmacist or doctor first.

Casein protein from milk (cow's milk) · Capsules, tablets, powders, functional foods and drinks

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

Casein Peptides: dosing

There is no official or standardized dose of casein peptides. The amounts used in studies have varied widely depending on the specific peptide and product, and there is no single agreed-upon effective dose.If you choose to use a casein peptide product, follow the directions on the label and do not exceed the recommended amount. They can help you decide whether the product is appropriate and which form makes sense for you.

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

Read the full Casein Peptides monograph & all interactions
Medication

About Imatinib

What Is Imatinib Used For?

Brand name: Gleevec

Imatinib treats a range of blood cancers and solid tumors. It is used for Philadelphia chromosome positive chronic myeloid leukemia (Ph+ CML) in adults and children — whether newly diagnosed or in more advanced phases — and for Philadelphia chromosome positive acute lymphoblastic leukemia (Ph+ ALL) in both adults and pediatric patients.

It is also used for Kit-positive gastrointestinal stromal tumors (GIST), including after surgical removal, and for several rarer conditions: myelodysplastic/myeloproliferative diseases (MDS/MPD) linked to specific gene changes, aggressive systemic mastocytosis (ASM), hypereosinophilic syndrome (HES) and/or chronic eosinophilic leukemia (CEL), and unresectable, recurrent, or metastatic dermatofibrosarcoma protuberans (DFSP).

Most-Reported Side Effects for Imatinib

From FAERS, the FDA’s public side-effect reporting system (41,419 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Nausea 2,849 reports
Diarrhea 2,511 reports
Fatigue 2,118 reports
Vomiting 1,795 reports
Dyspnea 1,477 reports
See full Imatinib drug information
Keep checking

Other Drugs & Casein Peptides

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

0Major
172Moderate
0Minor
2,657No known interaction
Moderate

172 interactions

Showing 60 of 172 moderate interactions — see all 172 on the Casein Peptides page.

No interaction 2,657 drugs checked — show the list
Evidence & sources

Casein Peptides References

The 4 references that drive our Casein Peptides 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. Cicero AFG, Aubin F, Azais-Braesco V, Borghi C. Do the lactotripeptides isoleucine-proline-proline and valine-proline-proline reduce systolic blood pressure in European subjects? A meta-analysis of randomized controlled trials. Am J Hypertens. 2013;26(3): PubMed
  2. Fekete AA, Givens DA, Lovegrove JA. Casein-derived lactotripeptides reduce systolic and diastolic blood pressure in a meta-analysis of randomised clinical trials. Nutrients. 2015;7(1):659-81. PubMed
  3. Qin LQ, Xu JY, Dong JY, Zhao Y, van Bladeren P, Zhang W. Lactotripeptides intake and blood pressure management: a meta-analysis of randomised controlled clinical trials. Nutr Metab Cardiovasc Dis. 2013;23(5):395-402. PubMed
  4. Turpeinen AM, Järvenpää S, Kautiainen H, Korpela R, Vapaatalo H. Antihypertensive effects of bioactive tripeptides-a random effects meta-analysis. Ann Med. 2013;45(1):51-6. 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 Casein Peptides and Imatinib Together: Common Questions

Is it safe to take Casein Peptides with Imatinib?
We do not list a known interaction between Casein Peptides and Imatinib. 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.
Should I take Casein Peptides and Imatinib at the same time of day?
At least one FDA label for a product containing Imatinib says to take it with food. If you take Casein Peptides on an empty stomach out of habit, keep them separate and take Imatinib with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Imatinib products can differ — so check the directions on your own box. This is about absorption, not an interaction.
Are Casein Peptides and Imatinib 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 Casein Peptides in each. That is a conversation for your prescriber, especially if Imatinib is being adjusted to a target.
How was the Casein Peptides and Imatinib combination checked?
Interactions in our licensed database are recorded against drug classes. Imatinib is filed under 8 classifications, and Casein Peptides has documented interactions with 1 drug class — none of Imatinib'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 Casein Peptides interact with any other medications?
Yes. Casein Peptides has 172 documented drug interactions in our database — Imatinib 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 Imatinib interact with any supplements?
Yes. Imatinib has documented interactions with 153 supplements in our database — Casein Peptides is not one of them. The Imatinib 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 Imatinib and Casein Peptides?

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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.