Cobra-200 Vega Extra Oral Jelly is the fastest-acting and strongest Viagra substitute for potency. The drug contains the same active ingredient as Viagra, namely sildenafil citrate, but in double the amount of 200 mg. This drug works by increasing blood flow to the penis, which allows a man to have a strong erection, thereby solving the problems of erectile dysfunction. The advantage is a very fast effect, after 10-15 minutes of application and excitement, a strong erection occurs. The duration of action of the drug is from 6 to 8 hours.