Is Spedra stronger than Viagra?

Spedra is a modern treatment that can work in only 15 minutes – significantly faster than Viagra. However, the clinical trial data shows that Viagra is more likely to work overall. Conclusion.

Viagra/Sildenafil Spedra
Active Ingredient Sildenafil Avanafil
Strengths 25, 50, 100 mg 50, 100, 200 mg

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