Chelated Zinc Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Chelated 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
Chelated Zinc is a dietary supplement by NeoLife Nutritionals with 1 active ingredient. 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 Chelated Zinc by NeoLife Nutritionals
Ask about any prescription or over-the-counter medication and we check it for interactions with Chelated Zinc by NeoLife Nutritionals — 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 Chelated Zinc by NeoLife Nutritionals
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 one active ingredient: zinc, a mineral your body needs for immune function, wound healing, and many other processes. Zinc is chelated here — that means it's bound to a carrier molecule to improve how your body absorbs it.
The remaining ingredients are inactive fillers and binders that hold the tablet together.
Does it work?
Moderate evidence
Zinc is effective for treating zinc deficiency and likely effective for Wilson disease. The evidence supports its use as possibly effective for acne, acrodermatitis enteropathica (a rare genetic condition), age-related macular degeneration, and diabetes — meaning there's some supportive research, but it's not conclusive.
Your reason for taking it will determine whether this product is right for you.
How safe is it?
Well-documented data
Zinc is generally well tolerated when you stay within the recommended daily limit of 40 mg for adults. Above that, high doses can cause nausea, vomiting, diarrhea, abdominal cramps, and a metallic taste.
Over the long term, very high doses may increase the risk of copper deficiency, which can lead to anemia and low white blood cell count — if you're taking high-dose zinc for an extended period, talk to your pharmacist about copper supplementation. During pregnancy, zinc is likely safe; during breastfeeding, it's also likely safe.
Meds to double-check
Moderate interaction found
Before taking Chelated Zinc, check whether you're on any quinolone or tetracycline antibiotics, cephalexin (Keflex), penicillamine, ritonavir, integrase inhibitors, or bictarvy — all have Moderate interactions with zinc. Spacing doses several hours apart (typically 2–6 hours, depending on the drug) usually resolves the problem.
If you're unsure about your medications, ask your pharmacist.
The bottom line
Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
This product works well for zinc deficiency and is a reasonable choice if you need supplemental zinc. The main thing to watch is spacing it away from antibiotics and certain other medications — timing prevents them from interfering with each other.
If you take any prescription drugs, especially antibiotics or HIV medications, run them through the checker on this page before you start.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Dec 14, 2023.
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 Chelated Zinc, straight from the product label.
| Brand | NeoLife Nutritionals |
|---|---|
| Barcode (UPC) | 3425s |
| Net contents | 150 Tablet(s) |
| Market status | On market |
| Date entered into DSLD | Dec 14, 2023 |
| DSLD ID | 303269 |
| Product type | Mineral |
| Supplement form | Tablet Or Pill |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years) |
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 Chelated Zinc by NeoLife Nutritionals, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Zinc | 30 mg | 270% |
Other ingredients: Dicalcium Phosphate, Sodium Croscarmellose, Stearic Acid, Hydroxypropyl Methylcellulose, Natural Color, Magnesium Stearate, Glycerin
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.
Formula
Zinc is necessary for normal immune function, healthy skin, eye health, and prostate function. Our body needs zinc to make DNA, RNA, insulin, and dozens of critical enzymatic reactions. Our double amino acid chelates support higher zinc absorption.
Chelated with amino acids glycine and methionine
K Certified Kosher
Storage
Store in a cool, dry place, away from direct sunlight.
Precautions
Packaged with safety seal.
Formulation
NeoLife products use only GMO-free ingredients.
Made in U.S.A.
General Statements
Based In Nature
Not sold in retail stores. Available Exclusively from NeoLife Promoters.
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.
FDA Statement of Identity
Dietary Supplement
Suggested/Recommended/Usage/Directions
Suggested Use: 2 tablets daily with meals.
Seals/Symbols
K Certified Kosher
SAB Scientific Advisory Board NeoLife Scientific Advisory Board
Brand IP Statement(s)
Leading edge nutrition since 1958. Based in Nature, Backed by Science.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Chelated Zinc by NeoLife Nutritionals 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 Chelated Zinc by NeoLife Nutritionals
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size2 Tablet(s) Dosage formTablet Or Pill Servings per container75 Amounts shown are per serving.
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 & interactionsOther (inactive) ingredients: Dicalcium Phosphate, Sodium Croscarmellose, Stearic Acid, Hydroxypropyl Methylcellulose, Natural Color, Magnesium Stearate, Glycerin. These complete the product’s ingredient list but are not active constituents.
Chelated Zinc by NeoLife Nutritionals Drug Interactions
HelloPharmacist Interaction Report
Chelated Zinc by NeoLife Nutritionals does interact with several types of medications, and timing matters with most of them.
The most serious interactions are Moderate in severity. Zinc binds with quinolone antibiotics (like ciprofloxacin and levofloxacin) in your digestive tract, reducing how much antibiotic your body absorbs — take these 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 forms complexes with tetracycline antibiotics, cephalexin (Keflex), and penicillamine (Cuprimine, Depen), all lowering their blood levels when taken together. A similar timing strategy helps: separate doses by several hours, depending on the specific drug.
Additionally, zinc may reduce levels of ritonavir (Norvir), an HIV medication, and theoretically could interfere with integrase inhibitors and the combination drug bictarvy (bictegravir/emtricitabine/tenofovir alafenamide) — again, separation helps.
Zinc also has a theoretical interaction with cisplatin (Platinol-AQ), a cancer drug. Altogether, these interactions span 67 individual medications.
Check your exact prescriptions with the tool on this page before you start.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Chelated 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 Chelated Zinc interact with 67 drugs. Click any drug to see the details.
1 of the 1 ingredient in Chelated Zinc interact with drugs. Each result below shows which ingredient is responsible. Zinc
Amphotericin, TetracyclineMysteclin-F
How Amphotericin, Tetracycline interacts with Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated 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 Chelated Zinc, from the product label.
NeoLife Nutritionals
See all NeoLife Nutritionals products- Name
- NeoLife International, LLC
- City
- Fremont
- State
- CA
- ZipCode
- 94538
- Web Address
- NeoLife.com
Chelated Zinc by NeoLife Nutritionals: Common Questions
Does Chelated Zinc by NeoLife Nutritionals interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Will this help my acne?
What side effects should I expect?
Can I take this while pregnant or breastfeeding?
What's the difference between chelated zinc and regular zinc?
Can I take this long-term?
Is this the right product for Wilson disease?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Chelated 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 Chelated Zinc’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Chelated 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 88 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.
- Eby GA, Davis DR, Halcomb WW. Reduction in duration of common colds by zinc gluconate lozenges in a double-blind study. Antimicrob Agents Chemother 1984;25:20-4. DOI
- Smith DS, Helzner EC, Nuttall CE Jr, et al. Failure of zinc gluconate in treatment of acute upper respiratory tract infections. Antimicrob Agents Chemother 1989;33:646-8. PubMed
- Blondeau JM. Expanded activity and utility of the new fluoroquinolones: a review. Clin Ther 1999;21:3-40. PubMed
- Reyes AJ, Olhaberry JV, Leary WP, et al. Urinary zinc excretion, diuretics, zinc deficiency and some side-effects of diuretics. S Afr Med J 1983;64:936-41.
- Kugelmas M. Preliminary observation: oral zinc sulfate replacement is effective in treating muscle cramps in cirrhotic patients. J Am Coll Nutr 2000;19:13-5. PubMed
- Hebel SK, ed. Drug Facts and Comparisons. 52nd ed. St. Louis: Facts and Comparisons, 1998.
- Chan S, Gerson B, Subramaniam S. The role of copper, molybdenum, selenium, and zinc in nutrition and health. Clin Lab Med 1998;18:673-85. DOI
- Brewer GJ, Yuzbasiyan-Gurkan V, Johnson V, et al. Treatment of Wilson's disease with zinc: XI. Interaction with other anticopper agents. J Am Coll Nutr 1993;12:26-30. PubMed
- Fosmire GJ. Zinc toxicity. Am J Clin Nutr 1990;51:225-7.
- Lomaestro BM, Bailie GR. Absorption interactions with fluoroquinolones. 1995 update. Drug Saf 1995;12:314-33. PubMed
- Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
- Seelig MS. Auto-immune complications of D-penicillamine - A possible result of zinc and magnesium depletion and of pyridoxine inactivation. J Am Coll Nutr 1982;1:207-14. PubMed
- Neuvonen PJ. Interactions with the absorption of tetracyclines. Drugs 1976;11:45-54.. PubMed
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