Coenzyme Q10 and Selenium: what the published research says
PubMed indexes 8 records that name Coenzyme Q10 and Selenium together, either in the title or in an interaction, co-administration, or pharmacokinetic context. Each one is listed below with its study design and, where the abstract states one, the authors’ own conclusion, quoted and linked. This page reports that literature. It does not tell you whether to combine them.
Every statement below is attributed to a named, dated, linked source.
This page lists published research relevant to Coenzyme Q10 and Selenium. It deliberately does not state whether the combination is safe, whether it interacts, in which direction, at what dose, or how far apart to take them.
A study appearing here is not proof that an interaction exists. Two substances can be named together in a paper that never tested them in combination, and a source listed as background may cover only one of them.
Findings are quoted from each abstract as the authors wrote them. NutriStack has not re-analysed, pooled, or reconciled them, and they may disagree with each other.
NutriStack’s own interaction assessment for this pair is not published here. It has not completed qualified-human clinical review, so it is withheld from search. See the publication gate.
Nothing here is medical advice. Decisions about prescription medication and supplements belong with your prescriber or pharmacist, who can see your full regimen.
The research
8 studies naming Coenzyme Q10 and Selenium.
Strongest relevance first: papers naming both substances in the title, then human trials and systematic reviews.
“Although antioxidants and their combinations are associated with improvement in sperm concentration, motility, and semen volume, the differences are small. There is no difference in pregnancy rates between patients receiving selenium, carnitine, and coenzyme Q10, or placebo. The quality of studies is poor, limiting the level of evidence.”
Names both Coenzyme Q10 and Selenium in its title.
“Despite substantial increases in the serum Q10 and selenium levels following the oral supplementation, this study revealed no significant effects on SIM compared with the placebo.”
Names both Coenzyme Q10 and Selenium in its title.
“Through this mechanism, selenium rapidly protects against lipid peroxidation and ferroptosis in a timescale that precedes selenoprotein production, doing so even when selenoprotein production has been eliminated. Our findings identify a regulatory mechanism against ferroptosis that implicates sulfide quinone oxidoreductase and expands our understanding of selenium in biology.”
Names both Coenzyme Q10 and Selenium in its title.
“These findings suggest that the CoQNPs or SeNPs platforms offer advanced relief for hyperlipidemia and insulin resistance while limiting adverse effects such as myopathy and hepatotoxicity.”
Names both Coenzyme Q10 and Selenium in its title.
Advances in experimental medicine and biology · 2021 · PMID 34279837
Human subjects
Names both Coenzyme Q10 and Selenium in its title.
Limitations
What this evidence cannot tell you.
Search-based evidence indexes have real limits, and it is worth being explicit about them:
Selection. These records were found by searching PubMed titles and abstracts for both substance names alongside interaction and pharmacokinetic terms. Relevant work that phrases things differently, or is not indexed in PubMed, will be missing.
No effect size. The quoted conclusions are the authors’ words about their own study. We have not extracted effect direction or magnitude, and a single study’s conclusion is not a consensus.
Population mismatch. Findings in healthy volunteers, animals, or a specific patient group may not transfer to you, your dose, or your formulation.
Absence is not safety. Few published studies means the combination is under-studied, which is not the same as established as safe.
Nearby evidence
Other pairs with published research.
Pages covering Coenzyme Q10 or Selenium alongside a different substance.
NutriStack is a free iPhone app for organising a supplement routine: what you take, when, and what the published record says about it. Its exploratory interaction checker covers Coenzyme Q10, Selenium, and several hundred other substances.
The checker is a research and organisation tool, not a clinical decision aid, and its per-pair assessments are excluded from search until they pass claim-level review.
NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.
