Drug & supplement interaction

Beef Tallow + Interferon Alfa-2b

Interferon Alfa-2b brand names: Rebetron, Intron A, Viraferon.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Beef Tallow and Interferon Alfa-2b 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

Beef Tallow and Interferon Alfa-2b

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 Alfa-2b and Beef Tallow 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 Beef Tallow at all — not against Interferon Alfa-2b, 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.

Beef Tallow safety at a glance

Beef Tallow overall Use caution Generally recognized as safe as a food, but it is high in saturated fat, so use in moderation.
Pregnancy Likely Safe When used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using beef tallow in amounts g... Read the full pregnancy detail
Breastfeeding Likely Safe When used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using beef tallow in amounts g... Read the full breastfeeding detail

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.

Still wondering about combining Interferon Alfa-2b and Beef Tallow? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
Special populations

Beef Tallow in Pregnancy & Breastfeeding

Pregnancy And Lactation Likely Safe

When used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using beef tallow in amounts greater than those commonly found in the diet during pregnancy or lactation.

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

Everything else you take

See Every Supplement That Interacts With Interferon Alfa-2b

This page covers Beef Tallow only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Interferon Alfa-2b 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 Alfa-2b page

“People taking interferon alfa-2b (Intron A, Rebetron) are usually treating hepatitis or a cancer, so the liver may already be under strain, and that is exactly where most of this list points. Of the 57 supplements on file, 38 can add to liver stress, and all three major-rated interactions sit in that group: Siberian cocklebur, which ha…”

Reviewed by 2 · Jul 18, 2026

Open the Interferon Alfa-2b interaction page

How much people look this up

Where Beef Tallow and Interferon Alfa-2b 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 Beef Tallow
Steady interest

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

29 days ago today
Medication Interferon Alfa-2b
Steady interest

#1,591 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 Beef Tallow reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Beef Tallow and Interferon Alfa-2b records this page draws on were last updated July 11, 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 Beef Tallow

What is Beef Tallow?

  • Cooking and frying fat
  • Skin moisturizer and balm
  • Homemade skin care and soaps
  • Part of ancestral or traditional diets
  • Lip balm and body care

Beef tallow is rendered fat from cattle used as a cooking fat and, more recently, as a natural skin moisturizer. It is mostly saturated and monounsaturated fat, so it is calorie-dense and should be used in moderation; strong human evidence for health benefits beyond being a cooking fat is limited. Talk with your pharmacist or doctor before using it as a supplement, especially if you have heart or cholesterol concerns.

Rendered fat from cattle (Bos taurus), usually from around the kidneys (suet) or other fatty tissue · Solid cooking fat, cooking oil, skin balms and salves, soaps, and some capsules or supplements

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

Beef Tallow: dosing

There is no established medicinal dose for beef tallow. It is used as a cooking fat in the same way you would use butter or oil, and portion sizes should follow normal dietary guidelines for fats.Because it is high in saturated fat, most health authorities suggest limiting total saturated fat intake. If you use tallow for cooking, use it in moderation as part of a balanced diet.For skin use, follow the directions on the specific product you buy.

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

Read the full Beef Tallow monograph & all interactions
Medication

About Interferon Alfa-2b Injection

What Is Interferon Alfa-2b Injection Used For?

Brand names: Rebetron, Intron A, Viraferon

  • Interferon alfa-2b injection is used to treat a number of conditions.

  • Interferon alfa-2b injection is used

    • alone or in combination with ribavirin (Copegus, Rebetol, Ribasphere) to treat chronic (long-term) hepatitis C infection (swelling of the liver caused by a virus) in people who show signs of liver damage,

    • to treat chronic hepatitis B infection (swelling of the liver caused by a virus) in people who show signs of liver damage,

    • to treat hairy cell leukemia (a white blood cell cancer),

    • to treat genital warts,

    • to treat Kaposi's sarcoma (a type of cancer that causes abnormal tissue to grow on different parts of the body) related to acquired immunodeficiency syndrome (AIDS),

    • to treat malignant melanoma (a cancer that begins in certain skin cells) in certain people who have had surgery to remove the cancer,

    • along with another medication to treat follicular non-Hodgkin's lymphoma (NHL; a slow-growing blood cancer).

  • Interferon alfa-2b is in a class of medications called immunomodulators. Interferon alfa-2b works to treat hepatitis C virus (HCV) and hepatitis B virus (HBV) by decreasing the amount virus in the body. Interferon alfa-2b may not cure hepatitis B or hepatitis C or prevent you from developing complications from these infections such as cirrhosis (scarring) of the liver, liver failure, or liver cancer. It also may not prevent the spread of hepatitis B or C to other people. It is not known exactly how interferon alfa-2b works to treat cancer or genital warts.

See full Interferon Alfa-2b Injection drug information
Keep checking

Other Drugs & Beef Tallow

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

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Beef Tallow References

The 9 references that drive our Beef Tallow 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. Sacks FM, Lichtenstein AH, Wu JHY, et al.; American Heart Association. Dietary Fats and Cardiovascular Disease: A Presidential Advisory From the American Heart Association. Circulation 2017;136(3):e1-e23.
  2. Denke MA, Grundy SM. Effects of fats high in stearic acid on lipid and lipoprotein concentrations in men. Am J Clin Nutr 1991;54(6):1036-40. PubMed
  3. Schwab US, Vogel S, Lammi-Keefe CJ, et al. Varying dietary fat type of reduced-fat diets has little effect on the susceptibility of LDL to oxidative modification in moderately hypercholesterolemic subjects. J Nutr 1998;128(10):1703-9. PubMed
  4. Shen X, Miao S, Zhang Y, et al. Stearic acid metabolism in human health and disease. Clin Nutr 2025;44:222-238. PubMed
  5. Petersen KS, Maki KC, Calder PC, et al. Perspective on the health effects of unsaturated fatty acids and commonly consumed plant oils high in unsaturated fat. Br J Nutr 2024;132(8):1039-1050. PubMed
  6. Zhou L, Zheng M, Zhang T, et al. Chemical property, bioactive constituent and volatile compound changes of beef tallow during an improved flavor-retaining refining approach. Food Chem 2025;477:143491. PubMed
  7. Limmatvapirat C, Limmatvapirat S, Krongrawa W, et al. Beef tallow: Extraction, physicochemical property, fatty acid composition, antioxidant activity, and formulation of lotion bars. J. Appl. Pharm. Sci. 2021;11(9):18-28. DOI
  8. Kawahara S, Takenoyama SI, Nagato C, Muguruma M, Ito T, Yamauchi K. Evaluation of beef tallow as a natural source of conjugated linoleic acid. Animal Sci. J. 2002;73(6):533-8. DOI
  9. US Department of Agriculture (USDA). Fat, beef tallow. April 2018. Available at: https://fdc.nal.usda.gov/food-details/171400/nutrients. Accessed April 9, 2025.

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 Beef Tallow and Interferon Alfa-2b Together: Common Questions

Is it safe to take Beef Tallow with Interferon Alfa-2b?
We do not list a known interaction between Beef Tallow and Interferon Alfa-2b. 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.
Does Interferon Alfa-2b interact with any supplements?
Yes. Interferon Alfa-2b has documented interactions with 57 supplements in our database — Beef Tallow is not one of them. The Interferon Alfa-2b 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 Interferon Alfa-2b and Beef Tallow?

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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.