Sildenafil Oral Jelly, commonly known as Kamagra, contains sildenafil citrate, which is used to treat erectile dysfunction (ED) in men. It is available in a jelly form, which can be easier to consume than traditional tablets. Sildenafil Oral Jelly 100mg Kamagra is typically taken about 30 minutes to 1 hour before sexual activity. It helps increase blood flow to the penis, facilitating an erection when sexually stimulated.