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Space Labs supplies research compounds exclusively to qualified researchers and laboratories for in vitro and laboratory use.

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Sexual Health

Sildenafil (Viagra)

4.9 / 5High PurityPharma GradeLab TestedResearch Only

Sildenafil is a PDE5 inhibitor studied for cGMP accumulation and smooth-muscle relaxation in penile, pulmonary, and cardiac vasculature. Research examines rapid-onset erectile response kinetics, nitric-oxide pathway synergy, and selective PDE5 versus PDE6 ocular effects.

For in vitro and laboratory research only. Not for human or veterinary administration. Not evaluated by the FDA.

Variants & Pricing

SD100

Pharma

100mg × 100 tabs

$25

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