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    Flavonoid · live pricing

    Where to Buy Fisetin — Cheapest Vendor in 2026

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

    No in-stock Fisetin 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 Fisetin.

    Coupon codes

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

    Reconstitution calculator

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

    What is Fisetin?

    Fisetin is a polyhydroxy flavonoid (3,3',4',7-tetrahydroxyflavone) that has emerged as one of the most extensively studied natural senolytic compounds and a candidate therapy for age-related disease. Structurally it is a flavonol closely related to quercetin but with one fewer hydroxyl group — quercetin is 3,3',4',5,7-pentahydroxyflavone; fisetin is 3,3',4',7-tetrahydroxyflavone, lacking the 5-hy… Read the full Fisetin research profile

    Buying Fisetin — FAQ

    Where can I buy Fisetin online?

    Fisetin 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 Fisetin?

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

    Is buying Fisetin 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 Fisetin?

    Fisetin is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell Fisetin 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 .