
Fast-Dissolve Sublingual Tablet
A fast-dissolve PDE5 tablet for ED support. Breaks down under the tongue — no water, no pill-bottle ritual.
Rx only — requires provider review
Save $21.00
Option
FDT tabletPurchase option
Supply
Vast FDT is a fast-dissolve sublingual tablet built on PDE5-inhibitor therapy — the same drug class behind the most widely prescribed erectile dysfunction medications. PDE5 inhibitors relax smooth muscle in blood vessels, supporting the blood flow that produces an erection in response to arousal. The fast-dissolve format starts breaking down under the tongue instead of waiting on a full swallow-and-digest cycle.
It is typically used by men who want ED support in a discreet, no-water-needed format — at home, while traveling, or anywhere a conventional tablet is inconvenient. It works with arousal, not instead of it.
Like every prescription on our platform, Vast FDT is used under medical supervision with a treatment plan set by your provider. OpenDoseRx treatments are dispensed only after a licensed provider reviews your health intake and determines a prescription is appropriate for you.
How ordering works
Choose your strength
Pick the exact dose and pack size. You see the price before you commit — nothing is hidden until checkout.
A provider reviews your intake
Complete a short medical intake. An independent, licensed U.S. provider decides if it's appropriate — and if they decline, you're refunded in full.
Compounded and shipped
Approved orders are prepared by a licensed U.S. pharmacy and shipped discreetly to your door.
How testosterone works in the body: the androgen pathway
A plain-language look at testosterone as an androgen and how androgen-receptor signaling is understood to act on tissues across the body.
How enclomiphene is understood to act on the HPG axis
An educational overview of how enclomiphene is understood to interact with the hypothalamic-pituitary-gonadal axis through estrogen-receptor modulation.
How aromatase inhibitors are understood to work in estrogen management
A neutral, mechanism-focused look at the aromatase enzyme and how the medications known as aromatase inhibitors are understood to act on it.