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    Pharmaceutical · price comparison

    Where to Buy Finasteride: Cheapest Vendor in 2026

    Disclaimer: Finasteride is a prescription drug in the US. The products listed here are sold by third-party vendors as research chemicals for laboratory use only, not for human consumption, and are not FDA-approved drugs. Nothing on this page is medical advice.

    Finasteride pricing across every research peptide vendor we track, ranked by price per mg. Prices change often, so check the vendor before you buy.

    No in-stock Finasteride listings right now.

    Vendor stock changes often, so check back. Use the compound profile to track research progress in the meantime.

    Research profile

    Mechanism, dosing, half-life, peer-reviewed studies for Finasteride.

    Coupon codes

    Every active vendor coupon for Finasteride, click-to-copy.

    Reconstitution calculator

    Vial size + BAC water → concentration, syringe units, doses per vial.

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    What is Finasteride?

    Finasteride is an orally-active selective type II 5α-reductase inhibitor that blocks the conversion of testosterone to dihydrotestosterone (DHT), the primary androgenic driver of both benign prostatic hyperplasia (BPH) and androgenetic alopecia (male-pattern hair loss). Developed by Merck in the 1980s and first approved by the FDA in 1992 as Proscar (5mg/day) for BPH, finasteride was subsequently… Read the full Finasteride research profile

    Buying Finasteride: FAQ

    Where can I buy Finasteride online?

    Finasteride is currently between in-stock listings across the vendors we track. Bookmark this page and check back, since vendor stock changes often.

    What's the cheapest price for Finasteride?

    No vendor we track lists it as in stock, so there is no price to compare. Check back when listings come back in stock.

    Is buying Finasteride online safe?

    Vendor safety varies. BodyHackGuide scores every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). This page ranks listings by price per mg, not by score, so check each vendor's score breakdown on its BodyHackGuide profile before you buy.

    Do I need a prescription for Finasteride?

    Finasteride is sold for research-use-only by the vendors on this page; no prescription required for research purchases. None of these vendors sell Finasteride for human consumption, and BodyHackGuide doesn't promote off-label use. Always consult a licensed practitioner before any compound enters a clinical context.

    Affiliate disclosure. BodyHackGuide earns a commission on some of its links, at no additional cost to you. Vendor rankings are based on price per mg from the listings we track. We don't accept payment for editorial placement. See our full affiliate disclosure .

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