NSTK · 01.2026Independent supplement reference
NutriStack
Edition 1.0Updated August 1, 2026

Supplement × Supplement·Evidence index

Copper and Iron: what the published research says

PubMed indexes 8 records that name Copper and Iron together, either in the title or in an interaction, co-administration, or pharmacokinetic context. Each one is listed below with its study design and, where the abstract states one, the authors’ own conclusion, quoted and linked. This page reports that literature. It does not tell you whether to combine them.

Read this first

An evidence index, not guidance.

Every statement below is attributed to a named, dated, linked source.

This page lists published research relevant to Copper and Iron. It deliberately does not state whether the combination is safe, whether it interacts, in which direction, at what dose, or how far apart to take them.

The research

8 studies naming Copper and Iron.

Strongest relevance first: papers naming both substances in the title, then human trials and systematic reviews.

Zinc, Copper, and Iron in Selected Skin Diseases.

International journal of molecular sciences · 2024 · PMID 38612631

ReviewHuman subjects

“According to preliminary studies, abnormal levels of zinc, copper, and iron are observed in many skin diseases and their determinations in serum or hair can be used as auxiliary and prognostic tests in the course of various dermatoses. However, since data for some conditions are conflicting, clearly defining the potential of trace elements as auxiliary tests or elements requiring restriction/supplement requires further research.”

Podgórska et al. · From the abstract

Names both Copper and Iron in its title.

Iron, Copper, and Selenium: Cancer's Thing for Redox Bling.

Cold Spring Harbor perspectives in medicine · 2024 · PMID 37932129

ReviewHuman subjects

“In this review, which particularly focuses on iron, we describe how these micronutrients are carefully chaperoned about the body and made available to tissues, a process that is designed to limit the toxicity of free iron and copper or by-products of selenium metabolism. We delineate perturbations in iron metabolism and iron-dependent proteins that are observed in cancer, and describe the current approaches being used to target iron metabolism and iron-dependent processes.”

Terzi et al. · From the abstract

Names both Copper and Iron in its title.

Iron and Copper Liver Concentrations in Wilson Disease.

Journal of gastrointestinal and liver diseases : JGLD · 2024 · PMID 39733327

Human subjects

“Iron overload can be detected in liver tissues with elevated copper concentrations characteristic of WD Furthermore, in WD, low hemoglobin and hematocrit values were associated with elevated liver copper concentration. Clinicians should consider the possibility of secondary iron overload and/or anemia in patients with WD.”

Day et al. · Authors' conclusion

Names both Copper and Iron in its title.

Copper, Iron, and Manganese Toxicity in Neuropsychiatric Conditions.

International journal of molecular sciences · 2021 · PMID 34360586

ReviewHuman subjects

“In the present review, the authors focus on neurological disorders with psychiatric signs associated with copper, iron, and manganese excess and the diagnosis and potential treatment of such disorders. In our review, we described diseases related to these metals, such as aceruloplasminaemia, neuroferritinopathy, pantothenate kinase-associated neurodegeneration (PKAN) and other very rare classical NBIA forms, manganism, attention-deficit/hyperactivity disorder (ADHD)…”

Tarnacka et al. · From the abstract

Names both Copper and Iron in its title.

Limitations

What this evidence cannot tell you.

Search-based evidence indexes have real limits, and it is worth being explicit about them:

NutriStack

Track what you actually take.

NutriStack is a free iPhone app for organising a supplement routine: what you take, when, and what the published record says about it. Its exploratory interaction checker covers Copper, Iron, and several hundred other substances.

The checker is a research and organisation tool, not a clinical decision aid, and its per-pair assessments are excluded from search until they pass claim-level review.

NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.