Cupric Oxide

Caution MineralSynthetic

Cupric Oxide is a synthetic mineral used in dietary supplements. Safety rating: Caution. Some individuals may want to exercise caution — consult a healthcare provider if concerned. Found in 0 supplements in the GoodSupp database. Cupric oxide is an inorganic compound of copper and oxygen.

0 Products use this
Caution Safety rating
Mineral Category
No Natural origin

Safety Verdict: Caution

Cupric oxide has poor bioavailability and may cause gastrointestinal irritation.

What is Cupric Oxide?

Cupric oxide is an inorganic compound of copper and oxygen.

Common Names Cupric Oxide
Type Mineral
Origin Synthetic / Manufactured
Safety Rating Caution

Why is Cupric Oxide used in supplements?

It is used as a source of copper, an essential mineral.

Role in supplements: Mineral compound — provides a specific mineral in a bioavailable form the body can absorb.

Should you be concerned about Cupric Oxide?

Worth noting. Cupric Oxide has some considerations that certain consumers should be aware of, though it is used widely in the supplement industry.

Cupric oxide has poor bioavailability and may cause gastrointestinal irritation.

Review recommended. Consider your individual health situation and consult a healthcare provider if concerned.

Related Ingredients
Frequently Asked Questions
Is Cupric Oxide safe in supplements?

Cupric Oxide carries a caution rating in supplements. While it is widely used in the industry, there are some considerations consumers should be aware of. This doesn't necessarily mean it's dangerous, but rather that certain populations (such as pregnant women, children, or people with specific health conditions) may want to exercise extra care. Cupric oxide has poor bioavailability and may cause gastrointestinal irritation. Consult your healthcare provider if you have specific concerns.

What is Cupric Oxide and why is it in my supplement?

Cupric oxide is an inorganic compound of copper and oxygen.

Is Cupric Oxide natural or synthetic?

Cupric Oxide is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.