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Head-to-head evidence comparison — which supplement is right for you?
Captopril vs MitoQ: MitoQ has the stronger overall evidence (5 vs 3.5/10); they're alternatives for support heart health — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
MitoQ wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (2)
Outcomes where both Captopril and MitoQ have evidence — compare verdict strength side-by-side.
Off-label longevity use mirrors low antihypertensive dosing (captopril is short-acting; longer-acting ACE inhibitors like lisinopril/ramipril are often used) under a clinician. Not an approved longevity regimen; blood pressure and potassium should be monitored.
any
Oral tablet (or a longer-acting ACE inhibitor)
10-20mg daily
morning
Oral capsule (mitoquinol mesylate, 10-20 mg)
Unknown in humans
Months to years
Years
Throughout use
Acute to 6 weeks
4 weeks
12 months
3 weeks
Angiotensin Converting Enzyme (ACE) Inhibitor Extends Caenorhabditis elegans Life Span.
PLoS genetics (2016) · Animal
ACE inhibition extended lifespan in the worm C. elegans
The ACE inhibitor captopril inhibits ACN-1 to control dauer formation and aging.
Development (Cambridge, England) (2024) · Animal
Captopril specifically inhibits the worm ACE homolog ACN-1
Control of aging by the renin-angiotensin system: a review of C. elegans, Drosophila, and mammals.
Frontiers in pharmacology (2022) · Review
Review framing RAS/ACE modulation as a conserved aging pathway
Chronic Supplementation With a Mitochondrial Antioxidant (MitoQ) Improves Vascular Function in Healthy Older Adults.
Hypertension (Dallas, Tex. : 1979) (2018) · Rct · n=20
Randomized, placebo-controlled, double-blind crossover trial in 20 healthy older adults (60-79 yr) with impaired endothelial function
A double-blind, placebo-controlled study to assess the mitochondria-targeted antioxidant MitoQ as a disease-modifying therapy in Parkinson's disease.
Movement disorders : official journal of the Movement Disorder Society (2010) · Rct · n=128
PROTECT: multicenter double-blind RCT of 128 newly diagnosed, untreated Parkinson's patients over 12 months
The mitochondria-targeted anti-oxidant mitoquinone decreases liver damage in a phase II study of hepatitis C patients.
Liver international : official journal of the International Association for the Study of the Liver (2010) · Rct · n=30
Phase-II RCT: 30 chronic hepatitis-C patients randomized to mitoquinone (40 or 80 mg) or placebo once daily for 28 days
MitoQ has a higher evidence score (5/10 vs 3.5/10) and wins in 3 of 3 categories.
For support heart health, Captopril has a higher relevance score (62 vs 60).
No known interactions between Captopril and MitoQ have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.