Zinc - Copper Ingredients & Drug Interactions
by Somaplex
What is this page for?
First and foremost: checking Zinc - Copper 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
Zinc - Copper is a dietary supplement by Somaplex with 2 active ingredients. Its ingredients are commonly taken for zinc deficiency, immune support, cold symptoms.Based on those ingredients, 97 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Zinc Sulfate, Cupric Gluconate. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
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HelloPharmacist Scorecard of Zinc - Copper by Somaplex
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
Somaplex Zinc – Copper contains two active ingredients: zinc sulfate and cupric gluconate. Zinc plays a role in immune function, wound healing, and protein synthesis, and is used to treat or prevent zinc deficiency and Wilson disease.
Copper supports iron metabolism and is used to address copper deficiency. The liquid also contains water and ethyl alcohol as inactive ingredients.
Does it work?
Strong evidence
Zinc is effective for zinc deficiency and likely effective for Wilson disease. It's possibly effective for acne, acrodermatitis enteropathica, age-related macular degeneration, and diabetes, though the evidence for these uses is not as strong.
Copper is likely effective for copper deficiency but is possibly ineffective for Alzheimer disease. For acne, chemotherapy-induced anemia, and brain tumors, the evidence on copper isn't established enough to rate it.
How safe is it?
Well-documented data
Zinc is generally well tolerated at or below the tolerable upper limit of 40 mg daily for adults. Most common side effects from oral zinc — especially at higher doses — are abdominal cramps, diarrhea, metallic taste, nausea, and vomiting.
Topically, it can cause burning, stinging, itching, and tingling on irritated skin. There is concern that high daily doses of zinc above 40 mg per day may increase the risk of copper deficiency over time, potentially leading to anemia and low white blood cell counts; some practitioners give a small copper dose alongside high-dose zinc to prevent this.
Copper is safe in food and standard supplement amounts, but excess copper can be toxic. Contact dermatitis from copper is rare.
There is no pregnancy/lactation data on file for either ingredient, so if you are pregnant or breastfeeding, talk with your doctor or pharmacist about whether this product is appropriate for you.
Meds to double-check
Moderate interaction found
Before taking this product, check with your pharmacist if you use quinolone or tetracycline antibiotics, cephalexin, penicillamine, ritonavir, HIV integrase inhibitors, cisplatin, or oral contraceptives. All of these have documented Moderate or Minor interactions with zinc or copper that may require spacing doses or avoiding the product.
No interactions are documented for any ingredients we could not check.
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.
This supplement is used to address zinc or copper deficiency and may help with certain other conditions, though the evidence varies. If you take antibiotics, antiretrovirals, chemotherapy, or penicillamine, you'll need to space doses carefully or avoid this product altogether.
Talk with your pharmacist before starting, especially if you're on any prescription medication.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Sep 25, 2013.
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 Zinc - Copper, straight from the product label.
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 Zinc - Copper by Somaplex, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Zinc Sulfate | 0.293 mcg | -- |
| Cupric Gluconate | 0.293 mcg | -- |
Other ingredients: Water, ethyl alcohol
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.
General
2993
General Statements
IONIZED TRACE ELEMENTS
19
>>NESTMANN<<
Made in Germany Nestmann Pharma Zapfendorf/Bamberg
FDA Statement of Identity
SUPPLEMENT
Seals/Symbols
MPI
Suggested/Recommended/Usage/Directions
Suggested Use: Adults take 20 drops on the tongue or rub into inner elbow two to three times daily. Children receive 1/2 or less of the adult amount.
Precautions
Tamper Evident: Use this product only if tamper evident ring has not been broken away from base of cap.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Zinc - Copper by Somaplex 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 Zinc - Copper by Somaplex
These are the 2 active ingredients this product is made of. Select any to open its full monograph.
Serving size0.3 mL Dosage formLiquid Servings per container49 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 Sulfate
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 Sulfate monograph & interactionsCupric Gluconate
Interacts with31 drugs
Copper is an essential trace mineral your body needs in small amounts for making red blood cells, supporting nerves and bones, and helping enzymes wor...
Cupric Gluconate monograph & interactionsOther (inactive) ingredients: Water, Ethyl alcohol. These complete the product’s ingredient list but are not active constituents.
Zinc - Copper by Somaplex Drug Interactions
HelloPharmacist Interaction Report
Somaplex Zinc – Copper is a two-ingredient liquid supplement whose zinc component interacts with a substantial number of medications.
The most serious documented interactions are Moderate in severity and affect multiple drug classes.
Read the full breakdown — every affected drug type, severity by severity
Zinc can reduce the absorption and effectiveness of quinolone antibiotics (like ciprofloxacin), tetracycline antibiotics (like doxycycline), and cephalexin by binding to them in your gut. It also interferes with penicillamine, ritonavir, and HIV integrase inhibitors including bictegravir/emtricitabine/tenofovir alafenamide through similar chelation mechanisms.
If you take any of these, you'll need to space them apart — typically 2 to 6 hours — to prevent the zinc from blocking the drug's absorption.
Zinc may also theoretically interfere with cisplatin (a chemotherapy drug) by affecting how cancer cells process it. Copper, the second ingredient, has a Moderate interaction with penicillamine and a Minor interaction with oral contraceptive drugs, which may increase copper levels in your blood.
Altogether, these interactions span 95 individual medications.
Before you start this supplement, check your exact medications — especially antibiotics, antiretrovirals, chemotherapy agents, or penicillamine — using the medication checker below.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Zinc - Copper?
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 Zinc - Copper interact with 97 drugs. Click any drug to see the details.
2 of the 2 ingredients in Zinc - Copper interact with drugs. Each result below shows which ingredient is responsible. Zinc Sulfate Cupric Gluconate
TigecyclineTygacil
How Tigecycline interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Zinc SulfateQuinolone Antibiotics, Tetracycline Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc Sulfate + Tigecycline interactionTrovafloxacinTrovan, Trovan Injection
How Trovafloxacin interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Zinc SulfateQuinolone Antibiotics Moderate
Interaction Summary
Zinc can decrease the levels and clinical effects of quinolones antibiotics.
Read the full Zinc Sulfate + Trovafloxacin interactionEmtricitabine, TenofovirTruvada
How Emtricitabine, Tenofovir interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Zinc SulfateBictegravir/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 Sulfate + Emtricitabine, Tenofovir interactionAmilorideAmilamont, Midamor
How Amiloride interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Zinc SulfateAmiloride (midamor) Minor
Interaction Summary
Amiloride can modestly reduce zinc excretion and increase zinc levels.
Read the full Zinc Sulfate + Amiloride interactionAmiloride, HydrochlorothiazideAmil-Co, Amilzide, Moduret 25, Moduretic
How Amiloride, Hydrochlorothiazide interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Zinc SulfateAmiloride (midamor) Minor
Interaction Summary
Amiloride can modestly reduce zinc excretion and increase zinc levels.
Read the full Zinc Sulfate + Amiloride, Hydrochlorothiazide interactionAtazanavirReyataz
How Atazanavir interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Zinc SulfateAtazanavir (reyataz) Minor
Interaction Summary
Zinc modestly reduces levels of atazanavir, although this effect does not seem to be clinically significant.
Read the full Zinc Sulfate + Atazanavir interactionAtazanavir, CobicistatEvotaz
How Atazanavir, Cobicistat interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Zinc SulfateAtazanavir (reyataz) Minor
Interaction Summary
Zinc modestly reduces levels of atazanavir, although this effect does not seem to be clinically significant.
Read the full Zinc Sulfate + Atazanavir, Cobicistat interactionBirth Control PillsBirth control pills
How Birth Control Pills interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Birth Control Pills interactionDesogestrel, Ethinyl EstradiolDesogen, Marvelon, Marvelon 21, Marvelon 28, Mircette, Ortho-Cept +2 more
How Desogestrel, Ethinyl Estradiol interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Desogestrel, Ethinyl Estradiol interactionDrospirenoneDrospirenone
How Drospirenone interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Drospirenone interactionDrospirenone, EstetrolNextstellis
How Drospirenone, Estetrol interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Drospirenone, Estetrol interactionDrospirenone, Ethinyl EstradiolAngeliq, Gianvi, Yasmin
How Drospirenone, Ethinyl Estradiol interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Drospirenone, Ethinyl Estradiol interactionEthiny Estradiol, LevonorgestrelLogynon, Microgynon 30 ED
How Ethiny Estradiol, Levonorgestrel interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethiny Estradiol, Levonorgestrel interactionEthinyl Estradiol, DesogestrelApri, Cesia, Cyclessa, Gedarel, Kariva, Linessa +4 more
How Ethinyl Estradiol, Desogestrel interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Desogestrel interactionEthinyl Estradiol, DrospirenoneYaz
How Ethinyl Estradiol, Drospirenone interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Drospirenone interactionEthinyl Estradiol, Ethynodiol DiacetateDemulen 1/35, Demulen 1/50, Demulen Compack, Kelnor 1/35, Zovia, Zovia 1/35 +1 more
How Ethinyl Estradiol, Ethynodiol Diacetate interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Ethynodiol Diacetate interactionEthinyl Estradiol, LevonorgestrelAlesse, Alesse 21, Alesse 28, Aviane, Enpresse, Jolessa +18 more
How Ethinyl Estradiol, Levonorgestrel interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Levonorgestrel interactionEthinyl Estradiol, NorethindroneAranelle, Brevicon, Brevicon .5/35 21 day, Brevicon .5/35 28 day, Brevicon 1/35 21 day, Brevicon 1/35 28 day +50 more
How Ethinyl Estradiol, Norethindrone interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Norethindrone interactionEthinyl Estradiol, Norethindrone, Ferrous FumarateEstrostep Fe, Femcon FE, Junel Fe 1.5/30, Loestrin Fe, Loestrin Fe 1.5/30, Loestrin Fe 1/20 +3 more
How Ethinyl Estradiol, Norethindrone, Ferrous Fumarate interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Norethindrone, Ferrous Fumarate interactionEthinyl Estradiol, NorgestimateCilest, Mononessa, Ortho Tri-Cyclen 28, Ortho Tri-Cyclen Lo, Ortho Tri-Cylcen, Ortho-Cyclen +5 more
How Ethinyl Estradiol, Norgestimate interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Norgestimate interactionEthinyl Estradiol, NorgestrelCryselle, Lo/Ovral, Low-Ogestrel, Ogestrel 0.5/50, Ovral
How Ethinyl Estradiol, Norgestrel interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Norgestrel interactionEthinyl Estradiol, LevonogestrelLybrel
How Ethinyl Estradiol, Levonogestrel interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethinyl Estradiol, Levonogestrel interactionEthynodiol Diacetate, MestranolOvulen
How Ethynodiol Diacetate, Mestranol interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Ethynodiol Diacetate, Mestranol interactionEtonogestrelImplanon
How Etonogestrel interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Etonogestrel interactionEtonogestrel, Ethinyl EstradiolNuvaRing
How Etonogestrel, Ethinyl Estradiol interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Etonogestrel, Ethinyl Estradiol interactionGestodeneMinesse
How Gestodene interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Gestodene interactionLactic Acid, Citric Acid, Potassium BitartratePhexxi
How Lactic Acid, Citric Acid, Potassium Bitartrate interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Lactic Acid, Citric Acid, Potassium Bitartrate interactionLevonorgestrelKyleena, Levonelle 1500, Levonelle One Step, Liletta, Mirena, Norgeston +2 more
How Levonorgestrel interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Levonorgestrel interactionLevonorgestrel, Ethinyl EstradiolLogynon ED, Microgynon 30, Nordette, Ovranette, Quartette, Trinordiol +1 more
How Levonorgestrel, Ethinyl Estradiol interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Levonorgestrel, Ethinyl Estradiol interactionMestranol, NorethindroneNecon 1/50, Nelova 1/50M, Norethin 1/50, Norethin 1/50M, Norinyl 1 50 21 Day, Ortho Novum 1 Plus 50 +2 more
How Mestranol, Norethindrone interacts with Zinc - Copper — through 1 ingredient. Tap an ingredient for the detail:
Cupric GluconateContraceptive Drugs Minor
Interaction Summary
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
Read the full Cupric Gluconate + Mestranol, Norethindrone interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Zinc - Copper with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
Zinc Sulfate
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.
Cupric Gluconate
Penicillamine (Cuprimine, Depen)
Theoretically, taking copper with penicillamine might decrease the absorption of penicillamine; separate dosing by at least 2 hours.
Copper chelates penicillamine, which decreases its absorption and may reduce its clinical effects.
Contraceptive Drugs
Theoretically, taking copper with contraceptive drugs might increase the levels and toxic effects of copper.
A meta-analysis of clinical studies suggests that chronic use of oral contraceptives increases serum copper levels by a mean of 57 mcg/dL. In most people, this resulted in levels above the normal reference range for copper.
Brand information
Manufacturer and brand details for Zinc - Copper, from the product label.
Zinc - Copper by Somaplex: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Zinc - Copper is safe with your meds?
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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 Zinc - Copper’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 monographCopper
Interacts with 31 drugsCopper is an essential trace mineral your body needs in small amounts for making red blood cells, supporting nerves and bones, and helping enzymes work. Most people get enough copper from fo...
Read the full Copper monograph →Sources & How We Checked
Zinc - Copper'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 99 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
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