A complete safety, timing, and dosage guide for combining PQQ (Pyrroloquinoline Quinone) (cellular health) 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 take copper and PQQ together — no known interaction exists between them, and combining them is safe for most adults.
Copper and PQQ together have no known interaction, so combining these supplements is safe. Copper supports energy production and connective tissue health, while PQQ acts as a redox cofactor that promotes mitochondrial biogenesis. They use different absorption pathways and don't compete, making them a reasonable addition to a daily routine.
Copper is a trace mineral absorbed primarily in the stomach and duodenum via the Ctr1 transporter, while PQQ is a small water-soluble redox cofactor that enters the bloodstream through SGLT1 and related intestinal transporters. Once absorbed, copper is bound to ceruloplasmin and incorporated into enzymes like cytochrome c oxidase and superoxide dismutase, which participate in mitochondrial respiration and antioxidant defense. PQQ also supports mitochondria, but through a distinct mechanism—it redox cycles to stimulate cellular antioxidant systems and promote mitochondrial biogenesis via cAMP response element-binding protein (CREB) signaling. Because these two nutrients do not share carrier proteins or receptor sites, there is no biochemical basis for competition or interference. No clinical evidence suggests that taking them together alters absorption, distribution, or activity of either compound.
If you need both copper and PQQ, you can take them together at the same time, ideally in the morning with a meal. Copper is better absorbed with a light meal that contains some protein; PQQ is water-soluble and absorbs fine with or without food. There is no need to space them apart. If you also take a high-dose zinc or iron supplement, separate that from copper by at least two hours to avoid absorption competition. The tolerable upper intake level for copper is 10 mg per day, so verify the total amount in all supplements and fortified foods. For PQQ, typical supplemental doses range from 10 to 20 mg daily—do not exceed the label recommendation. If you are on thyroid medication, take copper at least four hours away from levothyroxine to prevent binding and reduced absorption.
Copper supplements come in several forms: cupric oxide is poorly absorbed, while copper glycinate, gluconate, and citrate are more bioavailable, especially when taken on an empty stomach. PQQ is typically sold as PQQ disodium salt, which is water-soluble and well absorbed. The specific form of copper matters for overall absorption efficiency but does not change how it interacts with PQQ. Opt for a chelated copper like glycinate if you're using a standalone copper supplement.
Copper is a standard ingredient in multivitamins and multiminerals, frequently paired with zinc and iron to prevent mineral imbalances. PQQ is more commonly found in mitochondrial energy stacks alongside CoQ10, creatine, and B vitamins, though the two are rarely combined in a single pre-made formula.
Yes, you can take copper and PQQ at the same time. There is no known interaction between them, and they don't compete for absorption. I often recommend taking both with a meal for convenience.
Yes, it is safe to combine copper with PQQ every day as long as you stay within recommended doses. For adults, that's 900 mcg of copper and 10–20 mg of PQQ. Just remember to check your multivitamin to avoid getting too much copper.
You do not need to wait between copper and PQQ. They can be taken at the same time, so you can take them together with your morning meal without worrying about timing.
No, copper and PQQ do not compete for absorption. They use different transport pathways in the gut—copper uses the Ctr1 transporter, while PQQ uses sugar transporters like SGLT1. There is no nutrient-nutrient interference reported.
People with Wilson's disease or copper storage disorders should avoid copper-containing supplements entirely. Pregnant or breastfeeding women should also avoid PQQ because safety hasn't been established. If you have liver or kidney disease, ask your doctor first.
I recommend taking copper with food to avoid stomach upset and improve absorption. PQQ can be taken on an empty stomach or with food. Taking them together with a meal is the simplest and most comfortable approach.
Reviewed by Caroline M. on April 27, 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.