Can I Take These?

Can You Take Caffeine and CoQ10 (Coenzyme Q10) Together?

No documented interaction was identified between CoQ10 and caffeine in the sources reviewed.

No documented interaction identifiedEvidence: Moderate

See the full Caffeine page and CoQ10 (Coenzyme Q10) page for other reviewed interactions and reference information.

What the interaction means

NCCIH's CoQ10 page names exactly three interaction concerns -- warfarin, insulin, and some cancer treatments -- and caffeine is not among them. MedlinePlus's caffeine page does not mention CoQ10/coenzyme Q10.

No documented interaction between Caffeine and CoQ10 (Coenzyme Q10) was identified in the authoritative sources reviewed. This is not a guarantee that no interaction exists for every dose, formulation, or individual -- it means the sources checked did not document one.

Practical context

NCCIH's CoQ10 page and MedlinePlus's caffeine page were checked directly, full text, in both directions. CoQ10's short named list does not include caffeine or other stimulant supplements.

What the sources say

Caffeine — MedlinePlus, U.S. National Library of MedicineCoenzyme Q10 — National Center for Complementary and Integrative Health (NIH)

Last reviewed 2026-08-25

Medical information disclaimer: this information is general and educational. It does not diagnose conditions, prescribe treatment, or determine whether a combination is safe for you personally. Follow your prescription label and ask a pharmacist or clinician before starting, stopping, or combining products. Full disclaimer.

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