A Man's Zinc Ingredients & Drug Interactions
What is this page for?
First and foremost: checking A Man's Zinc against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
A Man's Zinc is a dietary supplement by Vibrant Health with 7 active ingredients. Its ingredients are commonly taken for zinc deficiency, immune support, cold symptoms.Based on those ingredients, 67 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Zinc. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against A Man's Zinc by Vibrant Health
Ask about any prescription or over-the-counter medication and we check it for interactions with A Man's Zinc by Vibrant Health — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of A Man's Zinc by Vibrant Health
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
This product contains 7 ingredients, of which 4 are active: zinc, beta-sitosterol, sitosterol, and a soy phytosterol complex (a blend of plant sterols). Zinc is a mineral your body uses to support immune function and wound healing.
The plant sterols — beta-sitosterol and sitosterol especially — are compounds that may help support prostate health and cholesterol levels. The other inactive ingredients are common binders and capsule materials: hypromellose, silica, cellulose, and magnesium stearate.
Does it work?
Strong evidence
Zinc is effective for treating zinc deficiency and likely effective for Wilson disease (a genetic copper storage disorder). It's possibly effective for acne, acrodermatitis enteropathica (a rare absorption disorder), age-related macular degeneration (AMD), and diabetes, though the evidence for these uses is less established.
Beta-sitosterol and sitosterol are likely effective for benign prostate hyperplasia (enlarged prostate) and possibly effective for familial high cholesterol and heart disease risk. The soy phytosterol complex and individual sterols work toward the same prostate and cholesterol benefits, though evidence varies.
How safe is it?
Well-documented data
Zinc is generally well tolerated at doses below 40 mg daily (the upper limit for adults). At recommended amounts, side effects are uncommon, but higher doses can cause abdominal cramps, diarrhea, nausea, vomiting, and a metallic taste — these are dose-related.
Long-term high-dose zinc carries a theoretical risk of copper deficiency, which could affect your blood cells; some doctors add a small copper dose when that's a concern. High doses can also rarely worsen acne or cause skin sensitivity.
Beta-sitosterol and sitosterol are generally well tolerated short-term in most adults and cause only mild gastrointestinal effects: constipation, diarrhea, gas, indigestion, or nausea. Rarely, they may worsen acne.
There's one case report of acute pancreatitis possibly linked to beta-sitosterol, though symptoms didn't return when the person stopped. Pregnancy and breastfeeding safety data for beta-sitosterol and sitosterol is insufficient — it's best to avoid them during pregnancy and while breastfeeding unless your doctor advises otherwise.
Meds to double-check
Moderate interaction found
Double-check before taking this if you're on quinolone antibiotics (like ciprofloxacin or levofloxacin), tetracycline antibiotics (like doxycycline), or cephalexin — all are moderate-severity interactions. Also check if you take penicillamine, ritonavir, integrase inhibitors for HIV, or the combination drug biktarvy, or if you're undergoing cisplatin chemotherapy.
Space your doses as directed, or your medication may not work as intended.
The bottom line
Scorecard at a glanceFully disclosed formula with strong clinical evidence behind its ingredients' uses. Moderate medication interactions have been identified, and safety information is well characterized.
A Man's Zinc is a solid choice if you're dealing with zinc deficiency or Wilson disease, or if you want prostate and cholesterol support from the plant sterols. But if you take antibiotics (especially quinolones or tetracyclines), penicillamine, ritonavir, or HIV integrase inhibitors, you'll need to space your doses apart — talk to your pharmacist about the timing.
Anyone on a chemotherapy drug should check with their oncologist first.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 3 of 7 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Feb 23, 2025.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about A Man's Zinc, straight from the product label.
| Brand | Vibrant Health |
|---|---|
| Barcode (UPC) | 074306800244 |
| Net contents | 60 Vegetable Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Feb 23, 2025 |
| DSLD ID | 323209 |
| Product type | Other Combinations |
| Supplement form | Capsule |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Adult Male (18-50 Years), Seniors/Mature (>50 Years) - Men ONLY, Gluten Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for A Man's Zinc by Vibrant Health, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Zinc | 30 mg | 273% |
| Beta-Sitosterol | 82.6 mg | -- |
| Campesterol | 52.4 mg | -- |
| Stigmasterol | 45.8 mg | -- |
| Brassicasterol | 7 mg | -- |
| Sitosterol | 3.4 mg | -- |
| Other Sterols | 5.2 mg | -- |
| Soy Phytosterol Complex | 196 mg | -- |
Other ingredients: Hypromellose, Silica, Cellulose, Magnesium Stearate
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Precautions
Contains: soy.
If you are pregnant, planning to become pregnant, breast feeding, taking any prescription medication, and/or have a medical condition, consult your physician or healthcare professional before taking this product.
Do not exceed recommended dosage.
Keep out of reach of children.
Allergen warning: This product is manufactured in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and shellfish.
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Suggested/Recommended/Usage/Directions
Directions As a dietary supplement, take one (1) capsule daily or as directed by a health professional.
Storage
Store in cool dry place.
Formula
Targeted mineral for men.
Zn
Formulation
Gluten free Non-GMO
Made in the USA since 1992 with worldwide ingredients.
Supports prostate & bone health, immunity, & tissue repair.
FDA Statement of Identity
Dietary Supplement
General Statements
Look what's inside.
Full disclosure labeling.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
A Man's Zinc by Vibrant Health label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in A Man's Zinc by Vibrant Health
These are the 7 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule Servings per container60 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Zinc
Interacts with67 drugs
Zinc is an essential mineral that your body needs for immune function, wound healing, taste, and smell. Most people get enough from food, but suppleme...
Zinc monograph & interactionsSoy Phytosterol Complex
- › Beta-Sitosterol
- › Campesterol
- › Stigmasterol
- › Brassicasterol
- › Sitosterol
- › Other Sterols
Other (inactive) ingredients: Hypromellose, Silica, Cellulose, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.
A Man's Zinc by Vibrant Health Drug Interactions
HelloPharmacist Interaction Report
A Man's Zinc by Vibrant Health contains zinc, which interacts with a number of medications.
The most serious concern is with antibiotics — zinc can significantly reduce how well your body absorbs quinolone antibiotics (like ciprofloxacin), tetracyclines (like doxycycline), and cephalexin by forming complexes in your gut. This means the antibiotic may not work as well.
You'll need to space them out: take these antibiotics at least 2 hours before, or 4–6 hours after, your zinc supplement.
Read the full breakdown — every affected drug type, severity by severity
Zinc also interacts moderately with penicillamine (used for Wilson disease and rheumatoid arthritis), ritonavir (an HIV medication), integrase inhibitors like dolutegravir, and the combination drug biktarvy (used for HIV). The concern is the same — zinc forms complexes that reduce absorption of the medication.
There's also a theoretical concern that zinc might interfere with cisplatin, a chemotherapy drug, by triggering tumor cells to produce a protein that inactivates it.
The other active ingredients in this product — beta-sitosterol and sitosterol — have no documented interactions we hold data for. Campesterol, stigmasterol, brassicasterol, and other sterols were not checked.
Altogether, these interactions span 67 individual medications. Use the search tool on this page to check your exact prescriptions before you start.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against A Man's Zinc?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in A Man's Zinc interact with 67 drugs. Click any drug to see the details.
1 of the 7 ingredients in A Man's Zinc interact with drugs. Each result below shows which ingredient is responsible. Zinc
Amphotericin, TetracyclineMysteclin-F
How Amphotericin, Tetracycline interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Amphotericin, Tetracycline interactionBictegravir, Emtricitabine, Tenofovir AlafenamideBiktarvy
How Bictegravir, Emtricitabine, Tenofovir Alafenamide interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Bictegravir, Emtricitabine, Tenofovir Alafenamide interactionBismuth Subsalicylate, Metronidazole, TetracyclineHelidac
How Bismuth Subsalicylate, Metronidazole, Tetracycline interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Bismuth Subsalicylate, Metronidazole, Tetracycline interactionCephalexinCephalex, Keflex, Keftab, Lexin
How Cephalexin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincCephalexin (keflex) Moderate
Interaction Summary
Zinc might decrease cephalexin levels by chelating with cephalexin in the gut and preventing its absorption.
Read the full Zinc + Cephalexin interactionChlortetracyclineAureomycin
How Chlortetracycline interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Chlortetracycline interactionCinoxacinCinobac
How Cinoxacin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Cinoxacin interactionCiprofloxacinCiloxan, Cipro, Cipro IV, Cipro XR, Ciprobay, Otiprio
How Ciprofloxacin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Ciprofloxacin interactionCisplatinPlatinol-AQ
How Cisplatin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincCisplatin (platinol-aq) Moderate
Interaction Summary
Theoretically, zinc might interfere with the therapeutic effects of cisplatin.
Read the full Zinc + Cisplatin interactionClinafloxacinClinafloxacin
How Clinafloxacin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Clinafloxacin interactionCobicistat, Elvitegravir, Emtricitabine, Tenofovir Alafenamide FumarateGenvoya
How Cobicistat, Elvitegravir, Emtricitabine, Tenofovir Alafenamide Fumarate interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Cobicistat, Elvitegravir, Emtricitabine, Tenofovir Alafenamide Fumarate interactionDarunavir, Cobicistat, Emtricitabine, Tenofovir AlafenamideSymtuza
How Darunavir, Cobicistat, Emtricitabine, Tenofovir Alafenamide interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Darunavir, Cobicistat, Emtricitabine, Tenofovir Alafenamide interactionDarunavir, RitonavirDarunavir, Ritonavir
How Darunavir, Ritonavir interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincRitonavir (norvir) Moderate
Interaction Summary
Zinc modestly reduces levels of ritonavir.
Read the full Zinc + Darunavir, Ritonavir interactionDasabuvir Sodium, Ombitasvir, Paritaprevir, RitonavirViekira XR
How Dasabuvir Sodium, Ombitasvir, Paritaprevir, Ritonavir interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincRitonavir (norvir) Moderate
Interaction Summary
Zinc modestly reduces levels of ritonavir.
Read the full Zinc + Dasabuvir Sodium, Ombitasvir, Paritaprevir, Ritonavir interactionDemeclocyclineDeclomycin
How Demeclocycline interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Demeclocycline interactionDolutegravir, Emtricitabine, Tenofovir AlafenamideDolutegravir, Emtricitabine, Tenofovir Alafenamide
How Dolutegravir, Emtricitabine, Tenofovir Alafenamide interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Dolutegravir, Emtricitabine, Tenofovir Alafenamide interactionDoripenemDoribax
How Doripenem interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics, Tetracycline Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Doripenem interactionDoxycyclineDoryx, Doxy, Doxy-D, Doxycin, Doxycycline Injection, Doxylin +6 more
How Doxycycline interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Doxycycline interactionDoxycycline HyclateActiclate, Acticlate Cap, Lymepak
How Doxycycline Hyclate interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Doxycycline Hyclate interactionDoxycycline MonohydrateErfacea
How Doxycycline Monohydrate interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Doxycycline Monohydrate interactionDoxycylineDoxychel
How Doxycyline interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Doxycyline interactionElvitegravir, Cobicistat, Emtricitabine, Tenofovir Disoproxil FumarateStribild
How Elvitegravir, Cobicistat, Emtricitabine, Tenofovir Disoproxil Fumarate interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Elvitegravir, Cobicistat, Emtricitabine, Tenofovir Disoproxil Fumarate interactionEmtricitabineEmtriva
How Emtricitabine interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Emtricitabine interactionEmtricitabine, Rilpivirine, TenofovirComplera
How Emtricitabine, Rilpivirine, Tenofovir interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Emtricitabine, Rilpivirine, Tenofovir interactionEmtricitabine, Rilpivirine, Tenofovir AlafenamideOdefsey
How Emtricitabine, Rilpivirine, Tenofovir Alafenamide interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Emtricitabine, Rilpivirine, Tenofovir Alafenamide interactionEmtricitabine, Tenofovir Alafenamide FumarateDescovy
How Emtricitabine, Tenofovir Alafenamide Fumarate interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincBictegravir/emtricitabine/tenofovir Alafenamide (biktarvy) Moderate
Interaction Summary
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Read the full Zinc + Emtricitabine, Tenofovir Alafenamide Fumarate interactionEnoxacinPenetrex
How Enoxacin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Enoxacin interactionEravacyclineXerava
How Eravacycline interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincTetracycline Antibiotics Moderate
Interaction Summary
Zinc might reduce levels of tetracycline antibiotics.
Read the full Zinc + Eravacycline interactionFinafloxacinXtoro
How Finafloxacin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Finafloxacin interactionGatifloxacinTequin, Tequin Injection
How Gatifloxacin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Gatifloxacin interactionGemifloxacinFactive
How Gemifloxacin interacts with A Man's Zinc — through 1 ingredient. Tap an ingredient for the detail:
ZincQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc + Gemifloxacin interactionEach ingredient & the kinds of drugs it affects
For each ingredient in A Man's Zinc with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
Zinc
Bictegravir/Emtricitabine/Tenofovir Alafenamide (Biktarvy)
Theoretically, zinc might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption.
Advise patients that bictegravir/emtricitabine/tenofovir alafenamide should be taken at least 2 hours before or 6 hours after zinc containing products.
Cephalexin (Keflex)
Zinc might decrease cephalexin levels by chelating with cephalexin in the gut and preventing its absorption.
A pharmacokinetic study shows that zinc sulfate 250 mg taken concomitantly with cephalexin 500 mg decreases peak levels of cephalexin by 31% and reduces the exposure to cephalexin by 27%. Also, taking zinc sulfate 3 hours before cephalexin decreases peak levels of cephalexin by 11% and reduces the exposure to cephalexin by 18%. By decreasing cephalexin levels, zinc might increase the risk of treatment failure. This effect does not occur when zinc is taken 3 hours after the cephalexin dose. To avoid an interaction, advise patients take zinc sulfate 3 hours after taking cephalexin.
Cisplatin (Platinol-Aq)
Theoretically, zinc might interfere with the therapeutic effects of cisplatin.
Animal research suggests that zinc stimulates tumor cell production of the protein metallothionein, which binds and inactivates cisplatin. It is not known whether zinc supplements or high dietary zinc intake can cause clinically significant interference with cisplatin therapy. Cisplatin might also increase zinc excretion.
Integrase Inhibitors
Theoretically, taking zinc along with integrase inhibitors might decrease the levels and clinical effects of these drugs.
Zinc is a divalent cation. Pharmacokinetic studies have shown that other divalent cations such as calcium and iron can decrease blood levels of the integrase inhibitor dolutegravir through chelation.
Penicillamine (Cuprimine, Depen)
Zinc might reduce the levels and clinical effects of penicillamine.
By forming an insoluble complex with penicillamine, zinc interferes with penicillamine absorption and activity. Zinc supplements reduce the efficacy of low-dose penicillamine (0.5-1 gram/day), but do not seem to affect higher doses (1-2.75 gram/day), provided dosing times are separated. Advise patients to take zinc and penicillamine at least 2 hours apart.
Quinolone Antibiotics
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Quinolones form complexes with zinc in the gastrointestinal tract, reducing absorption of both the quinolone and zinc if taken at the same time. Advise patients to take these drugs at least 2 hours before, or 4-6 hours after, zinc supplements.
Ritonavir (Norvir)
Zinc modestly reduces levels of ritonavir.
Clinical research shows that zinc might reduce serum ritonavir levels by chelating with ritonavir in the gut and preventing its absorption. In patients with HIV, ritonavir is taken with atazanavir to prevent the metabolism and increase the effects of atazanavir. A pharmacokinetic study shows that, in patients being treated with atazanavir/ritonavir, co-administration of zinc sulfate (Solvazinc tablets) 125 mg as a single dose or as multiple daily doses for 2 weeks reduces plasma levels of ritonavir by about 16%. However, atazanavir levels still remains high enough to prevent HIV virus replication. Therefore, the decrease in ritonavir levels is not likely to be clinically significant.
Tetracycline Antibiotics
Zinc might reduce levels of tetracycline antibiotics.
Tetracyclines form complexes with zinc in the gastrointestinal tract, which can reduce absorption of both the tetracycline and zinc when taken at the same time. Taking zinc sulfate 200 mg with tetracycline reduces absorption of the antibiotic by 30% to 40%. Demeclocycline and minocycline cause a similar interaction. However, doxycycline does not seem to interact significantly with zinc. Advise patients to take tetracyclines at least 2 hours before, or 4-6 hours after, zinc supplements to avoid any interactions.
Amiloride (Midamor)
Amiloride can modestly reduce zinc excretion and increase zinc levels.
Clinical research shows that amiloride can reduce urinary zinc excretion, especially at doses of 10 mg per day or more. This zinc-sparing effect can help to counteract zinc losses caused by thiazide diuretics, but it is unlikely to cause zinc toxicity at usual amiloride doses. The other potassium-sparing diuretics, spironolactone (Aldactone) and triamterene (Dyrenium), do not seem to have a zinc-sparing effect.
Atazanavir (Reyataz)
Zinc modestly reduces levels of atazanavir, although this effect does not seem to be clinically significant.
Clinical research shows that zinc might decrease serum atazanavir levels by chelating with atazanavir in the gut and preventing its absorption. Although a single dose of zinc sulfate (Solvazinc tablets) 125 mg orally does not affect atazanavir concentrations in patients being treated with atazanavir/ritonavir, co-administration of zinc sulfate 125 mg daily for 2 weeks reduces plasma levels of atazanavir by about 22% in these patients. However, despite this decrease, atazanavir levels still remain at high enough concentrations for the prevention of HIV virus replication.
Brand information
Manufacturer and brand details for A Man's Zinc, from the product label.
Vibrant Health
See all Vibrant Health products- Name
- Vibrant Health
- City
- Shelton
- State
- CT
- ZipCode
- 06484
- Phone Number
- 1-800-242-1835
- Web Address
- www.vibranthealth.com
A Man's Zinc by Vibrant Health: Common Questions
Does A Man's Zinc by Vibrant Health interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What does zinc do, and why is it in this product?
Can I take this if I'm pregnant or breastfeeding?
What side effects might I get from this?
Is it safe to take at the recommended dose?
How does zinc interact with antibiotics?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if A Man's Zinc is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind A Man's Zinc’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Zinc
Interacts with 67 drugsZinc is an essential mineral that your body needs for immune function, wound healing, taste, and smell. Most people get enough from food, but supplements can help correct or prevent a defici...
Read the full Zinc monograph → Herb & supplement monographBeta-sitosterol
Beta-sitosterol is a plant sterol that may modestly lower LDL ('bad') cholesterol and may help ease urinary symptoms from an enlarged prostate. Evidence is moderate for these uses and weaker...
Read the full Beta-sitosterol monograph →Sources & How We Checked
A Man's Zinc's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 95 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Zinc 88 references
- Barceloux DG. Zinc. J Toxicol Clin Toxicol 1999;37:279-92.
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