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2Corrective

Copper

Also sold as Copper gluconate

Usually only needed to rebalance after prolonged zinc supplementation.

TrustedSupp Tier System™ · Tier 2Take until levels correct

Evidence strength

70/100Strong
WEAKLIMITEDMODERATESTRONGVERY STRONG

What the evidence supports: correcting zinc-induced deficiency.

This scores how well-supported the claim above is — not how much benefit you personally would get. A high score on a narrow claim does not extend to everything the product is marketed for.

How long to take it

Short corrective courses only, generally alongside long-term zinc use.

Who it's actually for

People on sustained high-dose zinc, or with a confirmed deficiency.

Safe upper limit

Unverified
10 mg per day
Excess copper causes nausea, liver stress, and in severe cases liver damage.
No source or citation attached yet.

Interactions to know about

No commonly documented medication clashes in our data. That is not the same as none existing.

Other supplements:

Run your full list through the interaction check.

Practical notes

  • A common ratio is roughly 1 mg copper per 15 mg zinc.
  • Take at a different time from zinc.