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- Sale!
$110.00 Original price was: $110.00.$60.00Current price is: $60.00. Tadalafil (Cialis) is a long-acting PDE5 inhibitor with a 17.5-hour half-life that blocks cGMP hydrolysis in vascular smooth muscle, promoting sustained vasodilation and blood flow. An essential research compound for prolonged erectile function studies.
- Sale!
$180.00 Original price was: $180.00.$60.00Current price is: $60.00. Sildenafil (Viagra) is a potent PDE5 inhibitor that prevents cGMP degradation in vascular smooth muscle, promoting sustained vasodilation and blood flow. Its 3-5 hour half-life provides a reliable research window for erectile function and pulmonary hypertension studies.
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