A complete safety, timing, and dosage guide for combining Ginkgo Biloba with Copper — including how the two supplements interact, the best time of day to take each, and which populations should be careful.
Yes, you can safely take copper and ginkgo biloba together. There is no known interaction between these two supplements, and they work through completely separate pathways in the body.
Copper and ginkgo biloba together are considered safe, with no significant interaction reported in scientific literature. Copper is a trace mineral essential for energy production and iron metabolism, while ginkgo biloba is an herbal extract used for cognitive support and circulation. Their mechanisms in the body are entirely distinct, so you do not need to change how you take either one.
Copper is absorbed primarily in the stomach and duodenum through a specific transporter called copper transporter 1 (CTR1), and it is then bound to ceruloplasmin for transport in the blood. Ginkgo biloba, on the other hand, contains flavonoid glycosides and terpene lactones that are absorbed in the intestines and work mainly by improving blood flow, reducing platelet aggregation, and acting as antioxidants. Ginkgo is known to moderately inhibit certain cytochrome P450 enzymes (CYP2C9 and CYP3A4) in the liver, but copper metabolism does not rely on these enzymes for its absorption or utilization. Copper homeostasis is regulated by hepatic excretion into bile and by metallothionein, not by the same enzyme pathways that metabolize herbals and drugs. Because they do not share transporters, receptor sites, or metabolic enzymes, there is no biological reason for these two supplements to interfere with each other. In practical terms, you can take them at the same time of day without concern for reduced absorption or altered effectiveness.
The easiest approach is to take copper and ginkgo biloba together with your breakfast, so you are less likely to forget them. Copper is absorbed slightly better on an empty stomach, but it is also more likely to cause nausea, so taking it with a light meal containing some fat is a good compromise. Ginkgo biloba can be taken with or without food, so there is no reason to separate it from copper. If you are taking a multivitamin that contains copper, you can still take ginkgo at the same time—just make sure your total copper intake stays below the tolerable upper limit of 10 mg per day. If you miss a dose, take it the next day as scheduled; skipping one day will not significantly affect your copper status or the cognitive benefits of ginkgo.
The form of copper matters for absorption: copper gluconate and copper bisglycinate tend to be better absorbed and less likely to cause stomach upset than copper sulfate, which is common in cheap multivitamins. Ginkgo biloba should be standardized to contain at least 24% flavone glycosides and 6% terpene lactones, as these are the active components; raw or unstandardized leaf products may deliver inconsistent amounts. For this interaction, no specific form difference applies because the two supplements do not interfere with each other regardless of the salt or extract form you choose.
Copper and ginkgo biloba are rarely paired together in commercial products. Ginkgo is commonly found in memory support formulas alongside ginseng, bacopa monnieri, and phosphatidylserine, while copper appears in trace mineral complexes that usually also include zinc, iron, and manganese. You are more likely to encounter them separately, so you will typically be combining a standalone copper supplement or a multivitamin with a separate ginkgo product.
Yes, you can take copper and ginkgo biloba at the same time. Their absorption and mechanisms are completely independent, so there is no reason to separate them. I usually recommend taking them together with breakfast to simplify your routine.
Yes, it is safe to combine copper with ginkgo biloba every day, provided you stay within the recommended dosages. Copper for adults is needed at about 0.9 mg per day and should not exceed 10 mg daily from all sources, while typical ginkgo doses range from 120 to 240 mg of standardized extract. I would still advise reviewing your total intake with a healthcare professional, especially if you are taking other supplements.
You do not need to wait at all between copper and ginkgo biloba. They do not interact, so you can take them at the same time or at different times of the day, whichever is more convenient for you.
No, copper and ginkgo biloba do not compete for absorption. Copper is absorbed via the copper transporter CTR1 in the upper small intestine, while ginkgo's active compounds are absorbed by passive diffusion and other intestinal peptide transporters. They do not use the same pathways, so taking them together will not reduce the absorption of either one.
Most people can safely take copper with ginkgo biloba, but those at higher risk include people with Wilson's disease or other copper metabolism disorders, which make copper supplements dangerous. Ginkgo biloba should also be avoided by people on anticoagulant drugs, people with bleeding disorders, and those about to undergo surgery, due to its blood-thinning effect. If you are pregnant or breastfeeding, talk to your doctor before combining these two supplements.
I recommend taking copper with food to prevent nausea—a light meal with some protein and fat works well. Ginkgo biloba can be taken on an empty stomach or with food, so you can conveniently take both with your meal. Just avoid taking copper with milk or antacids, as calcium and magnesium can interfere with copper absorption.
Reviewed by Caroline M. on April 7, 2026 for accuracy against the sources listed above. This page is educational and is not a substitute for professional medical advice.
The matrix has 86 supplements and 7310 pairwise interactions. Click any cell to see the full breakdown.