Drug & supplement interaction

Hyperimmune Egg + Atazanavir, Cobicistat

Atazanavir, Cobicistat brand name: Evotaz.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Hyperimmune Egg and Atazanavir, Cobicistat 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 Atazanavir, Cobicistat states a food rule worth keeping to, and the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Hyperimmune Egg and Atazanavir, Cobicistat

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 Atazanavir, Cobicistat and Hyperimmune Egg 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 Hyperimmune Egg at all — not against Atazanavir, Cobicistat, 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.

Hyperimmune Egg safety at a glance

Hyperimmune Egg overall Use caution Generally considered low-risk for most people, but it is essentially an egg product and can trigger allergies.
Pregnancy Use caution Not well studied in pregnancy; talk to your doctor before using.
Breastfeeding Use caution Not well studied while breastfeeding; check with your doctor first.

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

Still wondering about combining Atazanavir, Cobicistat and Hyperimmune Egg? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Hyperimmune Egg and Atazanavir, Cobicistat May Share a Side Effect

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do.

  • Diarrhea Additional detail

    Hyperimmune Egg

    “Orally, hyperimmune egg products have been reported to cause diarrhea, gas, stomach ache, and bloating.”

    Hyperimmune Egg · Natural Medicines adverse-effect record, reported in diarrhea.

    2 sources cited
    1. 13213. Karge WH, Deluca JP, Marchitelli LJ, et al. Pilot study on the effect of hyperimmune egg protein on elevated cholesterol levels and cardiovascular risk factors. J Med Food 1999;2:51-63. PubMed
    2. 102904. Scheett TM, Martin TD, Carr BM, Webster MJ. A Comparison of Hyperimmune Egg Protein and Placebo for Efficacy and Safety Among Healthy Young Adults (poster). J Int Soc Sport Nutr 2009;6(S1):P8. DOI

    Atazanavir, Cobicistat

    Listed in the ADVERSE REACTIONS section of the FDA label for Atazanavir, Cobicistat. Read the label on DailyMed ›

Reported for Hyperimmune Egg but not commonly for Atazanavir, Cobicistat: bloating or gas.

Effects for Atazanavir, Cobicistat come from the ADVERSE REACTIONS section of its FDA label; effects for Hyperimmune Egg come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

How to take them

Some Atazanavir, Cobicistat Products Have a Food Rule — Hyperimmune Egg Should Not Break It

At least one FDA label for a product containing Atazanavir, Cobicistat says to take it with food. If you take Hyperimmune Egg on an empty stomach out of habit, keep them separate — and take Atazanavir, Cobicistat 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 Atazanavir, Cobicistat 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.

(2.1) • Recommended dosage: One tablet once daily, taken orally with food in adults and pediatric patients weighing at least 35 kg.

From the Dosage and Administration section of the FDA label we read for Atazanavir, Cobicistat — 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.

Everything else you take

See Every Supplement That Interacts With Atazanavir, Cobicistat

This page covers Hyperimmune Egg only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Atazanavir, Cobicistat page lists 152 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Grapefruit (major), St. John's Wort (major), Acacia Rigidula (moderate) and Adrafinil (moderate).

By severity: 3 major · 107 moderate · 42 minor.

From our pharmacist’s overview on the Atazanavir, Cobicistat page

“Evotaz (atazanavir with cobicistat) treats HIV, and its effectiveness depends on steady blood levels, so I read this list of 152 supplements and herbs carefully rather than casually. Only three carry a major rating, but those three deserve your attention first: St.”

Reviewed by 2 · Jul 18, 2026

Open the Atazanavir, Cobicistat interaction page

How much people look this up

Where Hyperimmune Egg and Atazanavir, Cobicistat 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 Hyperimmune Egg
Top half

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

29 days ago today
Medication Atazanavir, Cobicistat
Top 10%

#270 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 Hyperimmune Egg reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Hyperimmune Egg and Atazanavir, Cobicistat records this page draws on were last updated July 10, 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 Hyperimmune Egg

What is Hyperimmune Egg?

  • Immune support
  • Digestive health
  • Diarrhea prevention
  • Joint comfort
  • General wellness

Hyperimmune egg is a dried egg product from hens vaccinated against common germs, so the eggs contain extra antibodies (mainly IgY). Some small studies suggest possible benefits for gut health and immune support, but the overall evidence is limited and not strong. People with egg allergy should avoid it, and pregnant or breastfeeding women should check with a doctor first.

Whole eggs (and egg powder) from hens immunized against specific microbes · Powder, capsules, tablets, protein shakes/drink mixes

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

Hyperimmune Egg: dosing

There is no official or standardized dose for hyperimmune egg. Products vary widely in strength and form, from powders to capsules.The best advice is to follow the directions on the product label and not exceed the recommended amount.

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

Read the full Hyperimmune Egg monograph & all interactions
Medication

About Atazanavir and Cobicistat

What Is Atazanavir and Cobicistat Used For?

Brand name: Evotaz

Evotaz (atazanavir/cobicistat) is used to treat HIV-1 infection. It must always be taken together with other antiretroviral medicines — it is not a complete regimen on its own. It is approved for adults and for pediatric patients who weigh at least 35 kg.

In patients who have been on HIV treatment before (treatment-experienced), how well Evotaz works depends on how much resistance to protease inhibitors the virus has already developed. Your prescriber will review this before starting you on Evotaz.

See full Atazanavir and Cobicistat drug information
Keep checking

Other Drugs & Hyperimmune Egg

Browse every other medication we’ve checked against Hyperimmune Egg — 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
2,829 No interaction
No interaction 2,829 drugs checked — show the list

We also checked Hyperimmune Egg against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Hyperimmune Egg list.

See the full Hyperimmune Egg interactions page
See every supplement checked against Atazanavir, Cobicistat, ranked by severity
Evidence & sources

Hyperimmune Egg References

The 10 references that drive our Hyperimmune Egg 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. Sarker SA, Casswall TH, Juneja LR, et al. Randomized, placebo-controlled, clinical trial of hyperimmunized chicken egg yolk immunoglobulin in children with rotavirus diarrhea. J Pediatr Gastroenterol Nutr 2001;32:19-25. DOI
  2. Greenblatt HC, Adalsteinsson O, Kagen L. Administration to arthritis patients of a dietary supplement containing immune egg: An open-label pilot study. J Med Food 1998;1:171-9. DOI
  3. Karge WH, Deluca JP, Marchitelli LJ, et al. Pilot study on the effect of hyperimmune egg protein on elevated cholesterol levels and cardiovascular risk factors. J Med Food 1999;2:51-63. PubMed
  4. Nguyen SV, Nguyen MTH, Tran BC, Ho MTQ, Umeda K, Rahman S. Evaluation of lozenges containing egg yolk antibody against Porphyromonas gingivalis gingipains as an adjunct to conventional non-surgical therapy in periodontitis patients: A randomized controlle
  5. Scheett TM, Martin TD, Carr BM, Webster MJ. A Comparison of Hyperimmune Egg Protein and Placebo for Efficacy and Safety Among Healthy Young Adults (poster). J Int Soc Sport Nutr 2009;6(S1):P8. DOI
  6. Scheett TM, Martin TD, Carr BM, et al. Hyperimmune Egg Protein Decreases Submaximal Heart Rate and Increases Peak Power (poster). Medicine & Science in Sports Medicine & Exercise 2007;39(5):S365. https://insights.ovid.com/medicine-science-sports-exercise/ DOI
  7. Kollberg H, Carlander D, Olesen H, Wejaker PE, Johannesson M, Larsson A. Oral administration of specific yolk antibodies (IgY) may prevent Pseudomonas aeruginosa infections in patients with cystic fibrosis: a phase 1 feasibility study. Pediatr Pulmonol 20
  8. Nilsson E, Larsson A, Olesen HV, Wejaker PE, Kollberg H. Good effect of IgY against Pseudomonas aeruginosa infections in cystic fibrosis patients. Pediatr Pulmonol 2008;43(9):892-9.
  9. Suzuki H, Nomura S, Masaoka T, et al. Effect of dietary anti-Helicobacter pylori-urease immunoglobulin Y on Helicobacter pylori infection. Aliment Pharmacol Ther 2004;20 suppl 1:185-92. PubMed
  10. Horie K, Horie N, Abdou AM, et al. Suppressive effect of functional drinking yogurt containing specific egg yolk immunoglobulin on Helicobacter pylori in humans. J Dairy Sci 2004;87(12):4073-9. 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 Hyperimmune Egg and Atazanavir, Cobicistat Together: Common Questions

Is it safe to take Hyperimmune Egg with Atazanavir, Cobicistat?
We do not list a known interaction between Hyperimmune Egg and Atazanavir, Cobicistat. 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.
Do Hyperimmune Egg and Atazanavir, Cobicistat have any of the same side effects?
Yes — our sources link each of them separately to one of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Should I take Hyperimmune Egg and Atazanavir, Cobicistat at the same time of day?
At least one FDA label for a product containing Atazanavir, Cobicistat says to take it with food. If you take Hyperimmune Egg on an empty stomach out of habit, keep them separate and take Atazanavir, Cobicistat with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Atazanavir, Cobicistat products can differ — so check the directions on your own box. This is about absorption, not an interaction.
Does Atazanavir, Cobicistat interact with any supplements?
Yes. Atazanavir, Cobicistat has documented interactions with 152 supplements in our database — Hyperimmune Egg is not one of them. The Atazanavir, Cobicistat interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Hyperimmune Egg monograph Uses, safety profile, and every drug interaction in one place Atazanavir and Cobicistat drug information The full plain-English guide to this medication Atazanavir, Cobicistat supplement interactions Every supplement checked against Atazanavir, Cobicistat, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 10 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

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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.