Loading…
We use essential cookies (authentication, your saved goals/stack) by default. With your permission we’ll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more about cookies
Head-to-head evidence comparison — which supplement is right for you?
Dutasteride vs Finasteride: Finasteride has the stronger overall evidence (5.5 vs 5.4/10); they're alternatives for hair growth & thickness — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Finasteride wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Too few graded studies
Top outcomes
Verdict
Too few graded studies
Top outcomes
Shared outcomes (1)
Outcomes where both Dutasteride and Finasteride have evidence — compare verdict strength side-by-side.
Approved BPH dose is 0.5 mg once daily; off-label hair-loss use mirrors the same 0.5 mg once-daily dose under a clinician. A prescription drug.
Any time of day
Oral soft-gel capsule (dutasteride 0.5 mg)
1 mg once daily for male pattern hair loss (Propecia); 5 mg once daily for benign prostatic hyperplasia (Proscar). A prescription drug — use under a clinician.
Any time of day
Oral tablet (1 mg for hair, 5 mg for BPH)
3–6 months
Months
Years
Weeks; may persist
3-12 months to visible effect
Months to years
Throughout use; sometimes persistent
Throughout use
The importance of dual 5alpha-reductase inhibition in the treatment of male pattern hair loss: results of a randomized placebo-controlled study of dutasteride versus finasteride.
Journal of the American Academy of Dermatology (2006) · Rct · n=416
Randomized placebo-controlled trial of 416 men aged 21-45 comparing dutasteride 0.05, 0.1, 0.5 or 2.5 mg, finasteride 5 mg and placebo daily for 24 weeks
Efficacy, safety, and tolerability of dutasteride 0.5 mg once daily in male patients with male pattern hair loss: a randomized, double-blind, placebo-controlled, phase III study.
Journal of the American Academy of Dermatology (2010) · Rct · n=153
Phase-III randomized double-blind placebo-controlled trial of 153 men over 6 months
The effects of combination therapy with dutasteride and tamsulosin on clinical outcomes in men with symptomatic benign prostatic hyperplasia: 4-year results from the CombAT study.
European urology (2010) · Rct · n=4844
CombAT: 4-year multicenter randomized double-blind trial in 4,844 men aged 50 or over with symptomatic BPH and prostatic enlargement, comparing tamsulosin 0.4 mg, dutasteride 0.5 mg or both daily, with no placebo arm
Finasteride in the treatment of men with androgenetic alopecia.
Journal of the American Academy of Dermatology (1998) · Rct · n=1553
Pivotal double-blind randomized, placebo-controlled trials of finasteride 1 mg/day for male pattern hair loss
Long-term (5-year) multinational experience with finasteride 1 mg in the treatment of men with androgenetic alopecia.
European journal of dermatology : EJD (2002) · Rct · n=1553
Five-year placebo-controlled extension of the pivotal Phase III hair-loss trials
The impact of monotherapies for male androgenetic alopecia: A network meta-analysis study.
Journal of cosmetic dermatology (2024) · Meta analysis
Network meta-analysis of monotherapies for male androgenetic alopecia
Finasteride has a higher evidence score (5.5/10 vs 5.4/10) and wins in 2 of 3 categories.
Both Dutasteride and Finasteride score equally (78) for hair growth & thickness.
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.