Meta Information
ID:copper
Name:
Schema Version:2.4_uniform_evidence_2026_06_18
Created
2026-06-03T22:20:08.192668Z
Model
Gemini 2.5 Pro
Interactions
Target id:
/intervention/iron-supplements
Target name:
Iron Supplements
Severity:
moderate
Interaction type:
diminishing
Nature:
temporal
Temporal spacing:
Hours before target:
2
Hours after target:
2
Description:
Iron and copper compete for absorption in the gut, and high iron intake can reduce copper uptake.
New description:
Iron and copper compete for absorption in the gut, meaning high iron intake can reduce how much copper your body takes in. To maximize uptake, take your copper supplement at least 2 hours before or 2 hours after your iron supplement.
Actionable advice:
Copper and iron supplements should be separated by at least 2 hours.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
In competition studies, we showed that Cu and Zn inhibited Fe uptake, and while Fe inhibited Cu uptake, Zn did not.
Label source:
PubMed: 16629169
Source url:
Exact phrase from label:
Copper depletion may also be caused by high-dose iron supplementation, raising concerns particularly in pregnancy when iron supplementation is widely recommended.
Label source:
PubMed: 30215866
Action type:
separate
Target id:
/dietary/phytate-rich-foods
Target name:
Phytate-Rich Foods (Grains, Legumes, Nuts)
Severity:
moderate
Interaction type:
diminishing
Nature:
temporal
Temporal spacing:
Hours before target:
2
Hours after target:
2
Description:
Phytic acid, found in whole grains, legumes, and nuts, can bind to copper in the digestive tract, forming an insoluble complex that prevents its absorption.
New description:
Phytic acid in foods like grains, legumes, and nuts can bind to copper, preventing its absorption. Take your copper supplement at least 2 hours before or 2 hours after a meal rich in these foods.
Actionable advice:
Copper is best taken at least 2 hours away from meals high in phytates.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
Dietary phytate significantly reduced the average daily accumulation (mug/d) and whole-body retention (relative to dietary intake) of iron, copper, manganese and Zn, whether or not the diet was supplemented with Zn.
Label source:
PubMed: 1174496
Action type:
separate
Target id:
/class/acid-suppressors
Target name:
Gastric Acid Suppressors (PPIs, H2 Blockers)
Severity:
moderate
Interaction type:
diminishing
Nature:
temporal
Temporal spacing:
Hours before target:
2
Hours after target:
2
Description:
Copper absorption requires an acidic stomach environment; medications that reduce stomach acid can impair its uptake.
New description:
Your body needs an acidic stomach environment to properly absorb copper, and acid-suppressing drugs can interfere with this process. Take your copper supplement at least 2 hours before or 2 hours after taking medications like PPIs or H2 blockers.
Actionable advice:
Copper is best taken at least 2 hours away from acid-suppressing medications, and it is a good idea to check levels during long-term use.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
Serum Zn and Cu concentrations were higher in PPI users than in controls.
Label source:
PubMed: 31825323
Action type:
separate
Target id:
/intervention/penicillamine
Target name:
Penicillamine
Severity:
major
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
Penicillamine is a chelating agent that binds to copper, promoting its removal from the body; taking copper supplements counteracts its therapeutic effect.
New description:
Penicillamine is a medication designed to bind with and remove excess copper from your body. Taking copper supplements directly counteracts this medical treatment, so you should avoid them completely unless told otherwise by your doctor.
Actionable advice:
Copper supplementation should be avoided completely while taking penicillamine unless specifically directed by a physician.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
Therapy with D-penicillamine and a low copper diet sustained increased urinary copper excretion for 1 year in almost all patients (P less than or equal to 0.001).
Label source:
PubMed: 870369
Action type:
avoid
Target id:
/intervention/trientine
Target name:
Trientine
Severity:
major
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
Trientine is a copper-chelating drug used to treat Wilson's disease; copper supplementation directly opposes its intended medical action.
New description:
Trientine is a chelating drug prescribed to remove excess copper from the body, often for Wilson's disease. Supplementing with copper would directly work against the medication's purpose and should be avoided.
Actionable advice:
Copper supplements should not be taken while on trientine therapy.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
In this mechanistic study, we show that TRI inhibits intestinal copper absorption, in addition to its cupriuretic effect.
Label source:
PubMed: 38088886
Action type:
avoid
Target id:
/condition/wilsons-disease
Target name:
Wilson's Disease
Severity:
major
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
Wilson's disease is a genetic disorder of copper accumulation, and any additional copper intake is contraindicated and can cause severe organ damage.
New description:
Wilson's disease is a genetic condition that causes toxic levels of copper to build up in the body. Taking any additional copper supplements is dangerous and should be completely avoided.
Actionable advice:
Copper supplementation is absolutely contraindicated if you have Wilson's disease.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
Wilson disease (WD) is a potentially treatable, inherited disorder of copper metabolism that is characterized by the pathological accumulation of copper.
Label source:
PubMed: 30190489
Source url:
Exact phrase from label:
Wilsons disease (hepatolenticular degeneration) is an autosomal recessive disorder resulting in extreme accumulation of copper in the liver with deposits elsewhere in the body.
Label source:
PubMed: 15358588
Source url:
Exact phrase from label:
The treatment concerns either removal of copper from the body using chelating agents excreted into the urine (Penicillamine, Trientine) or limitation of copper absorption from the intestine and reducing the toxicity of copper (zinc, ammonium tetrathiomolybdate).
Label source:
PubMed: 23909262
Action type:
avoid
Target id:
/biomarker/total-copper
Target name:
Serum Copper & Ceruloplasmin
Severity:
major
Interaction type:
requirement
Nature:
absolute
Temporal spacing:
null
Description:
Long-term copper supplementation without monitoring can lead to toxicity or imbalances with other minerals like zinc. Regular testing ensures safe and effective dosing.
New description:
Supplementing with copper long-term can lead to toxic levels or create imbalances with other minerals like zinc. To ensure your dosing is safe and effective, you should periodically monitor your serum copper and ceruloplasmin levels.
Actionable advice:
Periodically monitor serum copper and ceruloplasmin levels when supplementing with copper.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
The diagnosis of copper poisoning should be based on clinical presentation and measurement of urine and blood copper levels in addition to serum ceruloplasmin levels.
Label source:
PubMed: 34671575
Action type:
monitor
Target id:
/condition/iron-deficiency-anemia
Target name:
Iron Deficiency Anemia
Severity:
moderate
Interaction type:
synergistic
Nature:
absolute
Temporal spacing:
null
Description:
Copper is essential for ceruloplasmin, an enzyme required to mobilize iron from storage for red blood cell production. Correcting a copper deficiency can be necessary to resolve some cases of iron deficiency anemia.
New description:
Copper is required to make an enzyme that helps your body access and use stored iron for red blood cells. Ensuring you have adequate copper levels is important for proper iron metabolism and can help resolve some types of anemia.
Actionable advice:
It is a good idea to maintain adequate copper status when treating iron deficiency, as copper is required for proper iron metabolism.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
Release of iron from the liver relies on ferroportin and the ferroxidase activity of ceruloplasmin which is found in blood in a soluble form.
Label source:
PubMed: 23807651
Source url:
Exact phrase from label:
Copper in enterocytes may positively influence iron transport, and hepatic copper may enhance biosynthesis of a circulating ferroxidase, ceruloplasmin, which potentiates iron release from stores.
Label source:
PubMed: 30215866
Action type:
informational_none
Target id:
/condition/menkes-disease
Target name:
Menkes Disease
Severity:
major
Interaction type:
diminishing
Nature:
absolute
Temporal spacing:
null
Description:
Menkes disease is a genetic disorder that severely impairs intestinal copper absorption, making oral copper supplementation ineffective.
New description:
Menkes disease is a genetic condition that prevents the body from properly absorbing copper through the intestines. Because of this, taking oral copper supplements is ineffective and specialized medical treatment is necessary.
Actionable advice:
Oral copper is not an effective treatment for Menkes disease; specialized medical care is required.
Validation status:
validated_via_pubmed
Evidence tier:
tier_b
Evidence basis:
pubmed_abstract_verbatim
Evidence anchors:
Source url:
Exact phrase from label:
A patient with Menkes' kinky hair syndrome was treated with oral CuSO4. Plasma copper, ceruloplasmin, red cell copper, and 24-hr urine copper excretion remained essentially unchanged.
Label source:
PubMed: 876703
Source url:
Exact phrase from label:
Traditional therapeutic strategies have included oral copper salts; however, these approaches have shown limited clinical efficacy due to inadequate correction of systemic and cerebral copper deficiency.
Label source:
PubMed: 42254141
Source url:
Exact phrase from label:
This x-linked abnormality is associated with copper deficiency due to impaired gastrointestinal copper absorption.
Label source:
PubMed: 6410510
Action type:
informational_none