5-deca Zol + Interferon Beta-1a
Interferon Beta-1a brand names: Rebif, Avonex.
We found no known interaction between 5-deca Zol and Interferon Beta-1a 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.
5-deca Zol and Interferon Beta-1a
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 Interferon Beta-1a and 5-deca Zol 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.
Worth understanding: our licensed dataset holds no drug-interaction record for 5-deca Zol at all — not against Interferon Beta-1a, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.
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.
5-deca Zol safety at a glance
Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
5-deca Zol in Pregnancy & Breastfeeding
When used orally or parenterally. Anabolic androgenic steroids can disrupt the body's hormonal balance and cause various adverse effects including reduced fertility, hair loss, acne, and behavioral changes. Anabolic androgenic steroid use has also been associated with hepatotoxicity and increased risk for heart disease. The U.S. Food and Drug Administration and other regulatory agencies warn that dietary supplements containing anabolic steroids are dangerous. Avoid using.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center
See Every Supplement That Interacts With Interferon Beta-1a
This page covers 5-deca Zol only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Interferon Beta-1a page lists 57 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Beer (major), Siberian Cocklebur (major), Wine (major), Alfalfa (moderate) and Angelica Archangelica (moderate).
By severity: 3 major · 53 moderate · 1 minor.
From our pharmacist’s overview on the Interferon Beta-1a page
“Siberian cocklebur, an herb tied to documented cases of liver failure, is the first name to know for anyone injecting interferon beta-1a (Rebif, Avonex) for multiple sclerosis. Interferon beta-1a can strain the liver on its own, which is why prescribers order routine liver blood tests, and 38 of the 57 supplements on file carry that sa…”
Reviewed by 2 · Jul 18, 2026
Where 5-deca Zol and Interferon Beta-1a 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.
#1,342 of 1,452 supplements looked up here in the last 7 days
#2,614 of 2,830 medications looked up here in the last 7 days
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 5-deca Zol reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The 5-deca Zol and Interferon Beta-1a 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.
About 5-deca Zol
What is 5-deca Zol?
- Muscle building and bodybuilding
- Athletic performance
- Boosting testosterone
- Exercise recovery
- Weight and fat loss
- Sexual function
5-deca Zol is a synthetic anabolic-androgenic steroid, not a true dietary supplement or herb, and it is illegal to add to supplements in the United States under the Designer Anabolic Steroid Control Act. It is banned by anti-doping authorities and can cause serious hormonal, liver, and heart problems. We strongly recommend avoiding it and talking to your doctor or pharmacist about safe, legal options.
Not applicable (synthetic compound) · Oral capsules or tablets, injectable solutions (often sold illegally)
An interaction check asks whether these two react with each other — it does not ask whether 5-deca Zol is a good idea for someone in your situation. Here is what our 5-deca Zol record says about it on its own.
5-deca Zol: dosing
There is no established, safe, or approved dose for 5-deca Zol. It is not a recognized medicine or legal supplement ingredient, so no health authority provides recommended amounts.Because products containing it are illegal and unregulated, the actual contents and strength are unknown and unreliable. We do not provide dosing guidance for it.
From our 5-deca Zol monograph — the full record covers uses, side effects and every documented interaction.
About Interferon Beta-1a Intramuscular Injection
What Is Interferon Beta-1a Intramuscular Injection Used For?
Brand names: Rebif, Avonex
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Interferon beta-1a intramuscular injection is used to treat adults with various forms of multiple sclerosis (MS; a disease in which the nerves do not function properly and people may experience weakness, numbness, loss of muscle coordination, and problems with vision, speech, and bladder control) including:
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clinically isolated syndrome (CIS; nerve symptom episodes that last at least 24 hours),
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relapsing-remitting forms (course of disease where symptoms flare up from time to time), or
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secondary progressive forms (course of disease where relapses occur more often).
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Interferon beta-1a is in a class of medications called immunomodulators. It works by decreasing inflammation and preventing nerve damage that may cause symptoms of multiple sclerosis.
Most-Reported Side Effects for Interferon Beta-1a
From FAERS, the FDA’s public side-effect reporting system (192,069 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.
Other Drugs & 5-deca Zol
Browse every other medication we’ve checked against 5-deca Zol — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
No interaction 2,829 drugs checked — show the list
We also checked 5-deca Zol against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Losartan Potassium ›
- Testosterone ›
- Ivermectin ›
- Aspirin ›
- Abemaciclib ›
- Acetaminophen ›
- Metoprolol ›
- Rosuvastatin ›
- Rivaroxaban ›
- Escitalopram ›
- Clopidogrel ›
- Atorvastatin ›
- Docusate ›
- Tadalafil ›
- Tirzepatide ›
- Methamphetamine ›
- Ibuprofen ›
- Valacyclovir ›
- Warfarin Sodium ›
- Hydroxyurea ›
- Sumatriptan ›
- Semaglutide ›
- Prednisone ›
- Lisdexamfetamine ›
- Propranolol ›
- Metformin ›
- Amitriptyline ›
- Amoxicillin ›
- Lisinopril ›
- Isotretinoin ›
- Amlodipine Besylate ›
- Methotrexate ›
- Bendamustine ›
- Bupropion ›
- Amphetamine ›
- Doxycycline ›
- Fluoxetine ›
- Acyclovir ›
- Azithromycin ›
- Pregabalin ›
- Lamotrigine ›
- Dextroamphetamine ›
- Gabapentin ›
- Acetaminophen, Codeine ›
- Levothyroxine, Liothyronine ›
- Clonazepam ›
- Quetiapine ›
- Naproxen ›
- Omeprazole ›
- Letrozole ›
- Duloxetine ›
- Methylene Blue ›
- Buspirone ›
- Citalopram ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full 5-deca Zol list.
5-deca Zol References
The 1 references that drive our 5-deca Zol 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.
- Joseph JF, Parr MK. Synthetic androgens as designer supplements. Curr Neuropharmacol. 2015;13(1):89-100. 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.
Taking 5-deca Zol and Interferon Beta-1a Together: Common Questions
Is it safe to take 5-deca Zol with Interferon Beta-1a?
Does Interferon Beta-1a interact with any supplements?
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.