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Dietary supplement

Gammadyn Mn-Cu Ingredients & Drug Interactions

by UNDA Gammadyn

Liquid Category: Mineral
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Gammadyn Mn-Cu is a dietary supplement by UNDA Gammadyn with 2 active ingredients. Its ingredients are commonly taken for preventing or treating copper deficiency, supporting red blood cell formation, bone and connective tissue health.Based on those ingredients, 114 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Manganese, Copper. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Gammadyn Mn-Cu by UNDA Gammadyn

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.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 2 of its 2 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

UNDA Gammadyn Mn-Cu is a liquid supplement with 2 active ingredients: copper and manganese. Copper plays a role in nerve function, bone strength, and immune health.

Manganese supports bone formation, wound healing, and metabolic function. The product also contains purified water and glucose as inactive ingredients to deliver and stabilize the formula.

Does it work?

Strong evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Manganese and copper nutrient supplementation.
  • We looked for evidence on: Copper deficiency, Manganese deficiency.
  • The strongest evidence on file: Manganese is rated "Effective" for Manganese deficiency (Natural Medicines).
  • Also on file: Copper is rated "Likely Effective" for Copper deficiency.

Copper is likely effective for treating copper deficiency, though the data we hold shows it's possibly ineffective for Alzheimer disease. For acne, chemotherapy-related anemia, and brain tumors, the evidence isn't established enough to rate how well it works.

Manganese is effective for manganese deficiency. For allergic rhinitis (hay fever), osteoporosis, COPD, obesity, and osteoarthritis, we don't have solid evidence in our data to say whether it helps.

The evidence, ingredient by ingredient Copper Manganese

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Copper is generally well tolerated in the amounts found in food and standard supplements, but excess copper can be toxic. Skin irritation (contact dermatitis) from copper has been reported rarely.

Copper is needed during pregnancy and considered likely safe when you stay within recommended amounts — just avoid high-dose supplements unless your doctor advises it. In breastfeeding, recommended amounts are considered likely safe.

Manganese is generally well tolerated at appropriate doses, but high doses carry risk. Serious but rare side effects from high-dose manganese include Parkinson-like symptoms and liver damage (cirrhosis and fatty liver).

One case reported irreversible Parkinson disease linked to 100 mg daily over 2 to 4 years. During pregnancy, normal dietary amounts are fine, but avoid high-dose supplements unless your doctor recommends it.

Lactation safety data shows mixed ratings — the facts list it as both likely safe and possibly unsafe, so talk with your pharmacist or doctor about whether this product is right for you if you're nursing.

Side effects, ingredient by ingredient Copper Manganese

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 2 of the 2 matched ingredients can interact with medications — Manganese, Copper.
  • The most serious interaction on file is rated Moderate.
  • For scale: 114 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, double-check with your doctor or pharmacist if you take penicillamine (Moderate severity), quinolone or tetracycline antibiotics (Moderate), antipsychotic drugs like haloperidol (Moderate), or birth control pills (Minor). The copper and manganese in this supplement can interfere with how these medications work or increase the risk of side effects.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with clinical evidence supporting its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This product makes sense if you have a documented deficiency in copper or manganese and your doctor has recommended supplementation. If you take penicillamine, birth control pills, antibiotics (quinolone or tetracycline types), or antipsychotic medications, you'll want to check with your pharmacist or doctor first — timing and dosing matter.

Because manganese can be harmful at high doses, stick to the label directions and talk with your doctor or pharmacist before starting, especially if you're pregnant, nursing, or have liver disease.

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 Jan 22, 2021.

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

At a glance

General information

Key facts about Gammadyn Mn-Cu, straight from the product label.

Brand UNDA Gammadyn
Barcode (UPC) 883196313600
Net contents 30 Ampoule(s)
Market status On market
Date entered into DSLD Jan 22, 2021
DSLD ID 241058
Product type Mineral
Supplement form Liquid
Dietary claims / uses Nutrient, All Other
Intended target group(s) Adult (18 - 50 Years)
From the 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 Gammadyn Mn-Cu by UNDA Gammadyn, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
0.07 fl. Oz.
Maximum serving Sizes:
0.07 fl. Oz.
Servings per container
30
UPC/BARCODE
883196313600
IngredientAmount% DV
Copper0.073 mg8%
Manganese0.073 mg3%

Other ingredients: purified Water, Glucose

Tap any ingredient to jump to its full detail below.

Label statements
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.
Suggested/Recommended/Usage/Directions

Recommended Dose: Adults: Take 1 ampoule 1 to 2 times daily or as recommended by your health professional. Squeeze contents directly into mouth. Use for 1 to 2 months or as recommended by your health professional.

Precautions

Warning: If you have cancer, tuberculosis, or a history of tuberculosis, do not use.

If you are pregnant or lactating, do not use, unless directed by your health professional. If you are taking medication or have any health condition, particularly liver disease, consult your health professional before use.

Keep out of reach of children.

Do not use if ampoule is broken.

Storage

Store in a cool, dry place.

General Statements

Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.

Formula

Manganese-Copper

FDA Statement of Identity

Dietary Supplement

Brand IP Statement(s)

Seroyal UNDA

See for yourself

Gammadyn Mn-Cu by UNDA Gammadyn label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Gammadyn Mn-Cu by UNDA Gammadyn

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size0.07 fl. Oz. Dosage formLiquid Servings per container30 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.

Copper

Interacts with
31 drugs
0.073 mg per serving Form: Copper Gluconate

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...

Copper monograph & interactions

Manganese

Interacts with
83 drugs
0.073 mg per serving Form: Manganese Gluconate

Manganese is an essential trace mineral your body needs in small amounts for bone formation, metabolism, and antioxidant defense, and most people get...

Manganese monograph & interactions

Other (inactive) ingredients: Purified Water, Glucose. These complete the product’s ingredient list but are not active constituents.

Interaction report

Gammadyn Mn-Cu by UNDA Gammadyn Drug Interactions

Want to check YOUR meds against Gammadyn Mn-Cu?

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 checker
114Drugs
84 Moderate 30 Minor

Ingredients driving the most interactions

Copper 31

Each ingredient & the kinds of drugs it affects

For each ingredient in Gammadyn Mn-Cu 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.

Manganese3 drug types · 83 drugs

Antipsychotic Drugs

Theoretically, the risk for manganese toxicity might increase when taken with antipsychotic drugs.
Hallucinations and behavioral changes have been reported in a patient with liver disease who was taking haloperidol and manganese. Researchers speculate that taking manganese along with haloperidol, phenothiazine-derivatives, or other antipsychotic medications might increase the risk of manganese toxicity in some patients.

Likelihood Possible Evidence D
Quinolone Antibiotics

Theoretically, manganese might reduce the absorption of quinolone antibiotics.
Manganese is a multivalent cation. Interactions resulting in reduced quinolone absorption have been reported between quinolones and other multivalent cations, such as calcium and iron.

Likelihood Probable Evidence D
Tetracycline Antibiotics

Theoretically, manganese might reduce the absorption of tetracycline antibiotics.
Manganese is a multivalent cation. Interactions resulting in reduced tetracycline absorption have been reported between tetracyclines and other multivalent cations, such as calcium and iron.

Likelihood Probable Evidence D

Copper2 drug types · 31 drugs

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.

Likelihood Probable Evidence D
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.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Gammadyn Mn-Cu, from the product label.

UNDA Gammadyn

See all UNDA Gammadyn products
Name
Seroyal USA
City
Pittsburg
State
PA
ZipCode
15275
Phone Number
1-888-737-6925
Pharmacist Counseling Corner

Gammadyn Mn-Cu by UNDA Gammadyn: Common Questions

Does Gammadyn Mn-Cu by UNDA Gammadyn interact with any medications?
Yes. Based on its ingredients, Gammadyn Mn-Cu has a known interaction with 114 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Gammadyn Mn-Cu contains 2 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is this safe to take if I'm pregnant?
Copper is rated likely safe during pregnancy when you stay within recommended amounts — your body does need it. Manganese at normal dietary levels is also considered fine. However, avoid high-dose supplements of either without your doctor's guidance. Talk with your obstetrician or pharmacist before starting to make sure the dose in this product is right for you.
Can I take this while breastfeeding?
Copper at recommended amounts is likely safe during lactation. Manganese has mixed safety data in our facts — it's listed as both possibly unsafe and likely unsafe — so the picture isn't clear. Your pharmacist or doctor can help you decide whether this product is appropriate for you while nursing.
What is manganese supposed to do in this supplement?
Manganese supports bone formation, wound healing, and how your body uses nutrients for energy. It's an essential mineral, meaning your body needs it, but in small amounts.
Does this product actually work for Alzheimer disease?
No. The data we hold rates copper as possibly ineffective for Alzheimer disease, so this product is not supported for that use.
Are there any side effects I should watch for?
Copper can rarely cause contact dermatitis (skin irritation). Manganese at appropriate doses is generally well tolerated, but high doses carry a serious risk of Parkinson-like symptoms and liver damage. Follow the label dose and don't exceed it without talking to your doctor.

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

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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.

Gammadyn Mn-Cu label
Sources

Sources & How We Checked

Gammadyn Mn-Cu'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.

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 32 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.

Copper 11 references
  1. Murry JJ, Healy MD. Drug-mineral interactions: a new responsibility for the hospital dietician. J Am Diet Assoc 1991;91:66-73.
  2. Campbell IA, Elmes PC. Ethambutol and the eye: zinc and copper (letter). Lancet 1975;2:711. DOI
  3. Segal S, Kaminski S. Drug-nutrient interactions. American Druggist 1996 Jul;42-8.
  4. Kozak SF, Inderlied CB, Hsu HY, et al. The role of copper on ethambutol's antimicrobial action and implications for ethambutol-induced optic neuropathy. Diag Microbiol Infect Dis 1998;30:83-7. PubMed
  5. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington, DC: National Academy Press, 2002.
  6. Cantilena LR, Klaassen CD. The effect of chelating agents on the excretion of endogenous metals. Toxicol Appl Pharmacol 1982;63:344-50.
  7. Babic Z, Tariba B, Kovacic J, Pizent A, Varnai VM, Macan J. Relevance of serum copper elevation induced by oral contraceptives: a meta-analysis. Contraception. 2013 Jun;87(6):790-800. PubMed
  8. Qui Q, Zhang F, Zhu W, Wu J, Liang M. Copper in diabetes mellitus: a meta-analysis and systematic review of plasma and serum studies. Biol Trace Elem Res 2017;177(1):53-63.
  9. Walker-Smith PK, Keith DJ, Kennedy CT, Sansom JE. Allergic contact dermatitis caused by copper. Contact Dermatitis 2016;75(3):186-7. PubMed
  10. Gallentine A. Third-degree burn on the neuropathic lower extremity in a patient with diabetes while wearing a copper-containing compression sock: a case report. Wound Manag Prev 2021;67(12):26-29. DOI
  11. Chung KJ, Chin YM, Wong MS, Sanmugam A, Singaravel S, Nah SA. Effectiveness of table salt versus copper sulphate in treating umbilical granuloma: A pilot randomized controlled trial. J Pediatr Surg 2022;57(2):261-265. PubMed

See these in context on the Copper monograph →

Manganese 21 references
  1. Hansten PD, Horn JR. Hansten and Horn's Drug Interactions Analysis and Management. Vancouver, CAN:Appl Therapeut, 1999.
  2. Barrington WW, Angle CR, Willcockson NK, et al. Autonomic function in manganese alloy workers. Environ Res 1998;78:50-8. PubMed
  3. Hauser RA, Zesiewicz TA, Martinez C, et al. Blood manganese correlates with brain magnetic resonance imaging changes in patients with liver disease. Can J Neurol Sci 1996;23:95-8. PubMed
  4. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington, DC: National Academy Press, 2002.
  5. Lee JW. Manganese intoxication. Arch Neurol 2000;57:597-9.. PubMed
  6. Powers KM, Smith-Weller T, Franklin GM, et al. Parkinson's disease risks associated with dietary iron, manganese, and other nutrient intakes. Neurology 2003;60:1761-6.. PubMed
  7. McMillan, D. E. A brief history of the neurobehavioral toxicity of manganese: some unanswered questions. Neurotoxicology 1999;20(2-3):499-507.
  8. Gerber, G. B., Leonard, A., and Hantson, P. Carcinogenicity, mutagenicity and teratogenicity of manganese compounds. Crit Rev Oncol Hematol. 2002;42(1):25-34. PubMed
  9. Jiang, Y. and Zheng, W. Cardiovascular toxicities upon manganese exposure. Cardiovasc.Toxicol 2005;5(4):345-354. PubMed
  10. Mehta, R. and Reilly, J. J. Manganese levels in a jaundiced long-term total parenteral nutrition patient: potentiation of haloperidol toxicity? Case report and literature review. JPEN J Parenter.Enteral Nutr 1990;14(4):428-430. PubMed
  11. Nemery, B. Metal toxicity and the respiratory tract. Eur Respir.J 1990;3(2):202-219. DOI
  12. Vanek VW, Borum P, Buchman A, et al. A.S.P.E.N. position paper: recommendations for changes in commercially available parenteral multivitamin and multi-trace element products. Nutr Clin Pract. 2012;27:440-491.doi: 10.1177/0884533612446706 PubMed
  13. Schuh MJ. Possible Parkinson's disease induced by chronic manganese supplement ingestion. Consult Pharm. 2016;31(12):698-703. doi: 10.4140/TCP.n.2016.698. PubMed
  14. Baker B, Ali A, Isenring L. Recommendations for manganese supplementation to adult patients receiving long-term home parenteral nutrition: an analysis of the supporting evidence. Nutr Clin Pract 2016;31(2):180-5. doi: 10.1177/0884533615591600. PubMed
  15. Ho CSH, Ho RCM, Quek AML. Chronic manganese toxicity associated with voltage-gated potassium channel complex antibodies in a relapsing neuropsychiatric disorder. Int J Environ Res Public Health 2018;15(4). pii: E783. doi: 10.3390/ijerph15040783. PubMed
  16. Yamamoto M, Sakurai K, Eguchi A, et al.; Japan Environment and Children's Study Group: Association between blood manganese level during pregnancy and birth size: the Japan environment and children's study (JECS). Environ Res 2019;172:117-26. PubMed
  17. Li D, Ge X, Liu Z, et al. Association between long-term occupational manganese exposure and bone quality among retired workers. Environ Sci Pollut Res Int 2020;27(1):482-9. PubMed
  18. Martin KV, Sucharew H, Dietrich KN, et al. Co-exposure to manganese and lead and pediatric neurocognition in East Liverpool, Ohio. Environ Res 2021;202:111644. PubMed
  19. Racette BA, Nelson G, Dlamini WW, et al. Depression and anxiety in a manganese-exposed community. Neurotoxicology 2021;85:222-33. PubMed
  20. Ruiz-Azcona L, Fernández-Olmo I, Expósito A, et al. Impact of environmental airborne manganese exposure on cognitive and motor functions in adults: a systematic review and meta-analysis. Int J Environ Res Public Health 2021;18(8):4075. PubMed
  21. Uyar E, Gurkas E, Aksu AU, et al. Can therapeutic plasma exchange be life-saving in life-threatening manganese intoxication?. Transfus Apher Sci 2022;61(4):103417. PubMed

See these in context on the Manganese monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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