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    Pharmaceutical · live pricing

    Where to Buy Finasteride — Cheapest Vendor in 2026

    Live Finasteride pricing across every research peptide vendor we track, ranked by price per mg. Updated daily.

    No in-stock Finasteride listings right now.

    Vendor inventory updates daily — listings populate this page automatically as supply returns. 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.

    What is Finasteride?

    **Finasteride** is an orally-active **selective type II 5╬▒-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**, fina… 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 — it auto-updates daily as inventory comes back.

    What's the cheapest price for Finasteride?

    Pricing data updates as vendors restock. Check back when listings come back in stock.

    Is buying Finasteride online safe?

    Vendor safety varies. BodyHackGuide ranks every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). Vendors below the Trust Score threshold aren't surfaced on this page. The vendor profile linked from each listing shows their full score breakdown.

    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 may earn a commission from purchases made via the links on this page — at no additional cost to you. Vendor rankings are based purely on live price-per-mg data and the published Trust Score rubric. We don't accept payment for editorial placement. See our full affiliate disclosure .