TRI-MIX 1.2mL Phenylephrine 5mL [ED] Injection
$ 97.66
- Tri-Mix is a combination injectable formulation delivering three vasoactive compounds: Papaverine 17.6mg/mL, Phentolamine 0.65mg/mL, and Alprostadil 5.8mcg/mL, alongside a separate 5mL Phenylephrine vial, supplied together by Hudson Science. This combination approach to erectile dysfunction research reflects decades of clinical investigation into intracavernosal pharmacotherapy, where multi agent formulations have demonstrated more reliable and consistent vasodilatory response than single agent alprostadil therapy alone in documented clinical literature. Each component in the Tri-Mix formulation contributes a distinct vasodilatory mechanism. Papaverine is a non specific phosphodiesterase inhibitor that relaxes smooth muscle in the corpus cavernosum by increasing intracellular cyclic AMP and cyclic GMP, producing direct vasodilation independent of nitric oxide signaling. Phentolamine is a non selective alpha adrenergic receptor antagonist that blocks the sympathetic vasoconstrictive tone maintaining penile smooth muscle in its flaccid state, complementing Papaverine’s direct smooth muscle relaxation with adrenergic blockade. Alprostadil is a synthetic prostaglandin E1 analogue that activates prostaglandin receptors on cavernosal smooth muscle, triggering cyclic AMP mediated relaxation through a third independent pathway. The combination of these three mechanisms, direct phosphodiesterase inhibition, alpha adrenergic blockade, and prostaglandin receptor activation produces a synergistic vasodilatory effect that has been documented in clinical literature to achieve adequate response at substantially lower individual compound doses than monotherapy with any single agent, reducing the dose dependent priapism risk associated with high dose Alprostadil alone. Phenylephrine’s inclusion as a separate vial serves a specific clinical research purpose distinct from the vasodilatory Tri-Mix formulation: it is an alpha-1 adrenergic receptor agonist used to reverse prolonged erection through vasoconstriction, providing a counteractive intervention compound for research protocols examining priapism management following intracavernosal vasodilator administration. This pairing of a vasodilatory combination with a vasoconstrictive reversal agent reflects standard clinical urological practice for managing the most significant documented risk associated with intracavernosal pharmacotherapy research. Hudson Science formulations are stocked by Canada Steroid Depot following the same rigorous third party lab verification process applied to every product in our range. Each batch is tested for concentration accuracy and purity before being made available, with COA documentation available on request. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior. Store at 2–8°C away from direct light. Do not freeze. Intended for research purposes only. Commonly researched alongside PT-141 in comparative erectile dysfunction research mechanisms. Browse CSD’s full sexual health research range for complete sourcing.

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