Buy Sildenafil (Viagra) Online — Generic ED Pills from Ultima Pharmaceuticals

Also known as: Viagra · Revatio · Sildenafil · Citrate · The Blue Pill · Sildenafilum

Sildenafil is the original and most recognized PDE5 inhibitor, marketed as Viagra for erectile dysfunction and Revatio for pulmonary arterial hypertension. Fast-acting with an onset of 30 to 60 minutes, it remains the most widely used ED medication in the world. In performance sports it is valued for its vasodilatory effects and training pump enhancement. All Sildenafil products at U Store are sourced from Ultima Pharmaceuticals and verified manufacturers, independently lab-tested, and shipped discreetly worldwide.

We found 2 products available for you.

$43.00

Ultima-Viagra

Sildenafil

50 tabs x 100 mg

$99.00

Pharmaqo – QOAGRA 100mg

Sildenafil

50 tabs x 100 mg

Clients Review:

07.01.2026

HalfTabProtocol

50 tabs at 100mg for $99. That's solid value for Pharmaqo quality. I split each tab in half so effectively got 100 doses at 50mg which is my preferred amount pre workout. Vascularity and pump in the gym on this is noticeable, not placebo. Works as expected for the other intended purpose too. No complaints

About Sildenafil

Sildenafil Citrate is a selective PDE5 inhibitor that works by blocking the enzyme responsible for breaking down cyclic GMP in vascular smooth muscle. The resulting accumulation of cyclic GMP causes smooth muscle relaxation and vasodilation, increasing blood flow to target tissues. It was originally developed as a cardiovascular medication before its effects on erectile function were discovered, leading to its approval as Viagra in 1998.

Mechanism of action

Like all PDE5 inhibitors, Sildenafil works in conjunction with the natural nitric oxide pathway triggered by sexual stimulation. Nitric oxide released in penile tissue activates guanylate cyclase, increasing cyclic GMP. Sildenafil prevents the breakdown of this cyclic GMP by inhibiting PDE5, sustaining the smooth muscle relaxation and blood flow needed for an erection. The compound is highly selective for PDE5 over other PDE enzymes, minimizing off-target effects.

ED treatment

Sildenafil is taken on demand, typically 30 to 60 minutes before sexual activity, at doses of 25mg, 50mg, or 100mg. The 50mg dose is the standard starting point for most users. Its relatively short window of 4 to 6 hours makes timing important, though this is less of a concern for users who want a shorter-acting, as-needed option rather than continuous daily coverage.

Use in performance sports

In performance and bodybuilding contexts, Sildenafil is used to enhance the training pump through increased vasodilation and nitric oxide amplification. Some users take 25 to 50mg pre-workout for enhanced blood flow and muscle fullness. It is also used to manage blood pressure and erectile dysfunction arising from anabolic steroid use, hormonal imbalances, or elevated hematocrit.

Food interactions and timing

Unlike Tadalafil, Sildenafil absorption is meaningfully reduced by high-fat meals — taking it with a heavy meal can delay onset and reduce peak plasma concentrations. For optimal effect it should be taken on an empty stomach or after a light meal. Onset is typically 30 to 60 minutes, though some users experience effects as quickly as 15 to 20 minutes.

Safety profile

Common side effects include headache, facial flushing, visual disturbances (a blue tinge to vision), and nasal congestion. These are dose-dependent and generally mild. Like all PDE5 inhibitors, Sildenafil is contraindicated with nitrate medications due to the risk of severe hypotension.

Frequently Asked Questions

What is the difference between Sildenafil and Viagra?

They are the same compound. Viagra is the original brand name manufactured by Pfizer, while Sildenafil is the international non-proprietary name for the active molecule. Generic Sildenafil products contain the identical active ingredient at the same doses and are bioequivalent to branded Viagra at a fraction of the cost.

How quickly does Sildenafil work?

Sildenafil typically begins working within 30 to 60 minutes of ingestion. On an empty stomach some users notice effects in as little as 15 to 20 minutes. High-fat meals can delay absorption and reduce peak effectiveness, so timing around food intake matters more with Sildenafil than with Tadalafil.

How long does Sildenafil last?

The effective window is approximately 4 to 6 hours, though individual variation is significant. Some users report effects lasting up to 8 hours. Half-life is approximately 4 hours. This shorter duration compared to Cialis (up to 36 hours) means Sildenafil requires more precise timing relative to intended use.

Can Sildenafil be used pre-workout?

Yes, and this is a well-established practice in bodybuilding. At doses of 25 to 50mg taken 30 to 45 minutes before training, Sildenafil enhances vasodilation and blood flow to working muscles, significantly improving the pump. Users with blood pressure concerns from anabolic compounds also find it useful for cardiovascular support during intense sessions.

Is Sildenafil safe to use with steroids?

No direct pharmacological interaction exists between Sildenafil and anabolic steroids. However, Sildenafil must never be combined with nitrate medications. Users with significantly elevated blood pressure from steroid use should address the root cause — managing estrogen, reducing sodium, and treating blood pressure pharmacologically — rather than relying solely on Sildenafil.

Is Sildenafil liver toxic?

No. Sildenafil is metabolized by liver enzymes but is not hepatotoxic at standard doses. It does not require liver support supplementation and is not associated with liver damage in therapeutic use.