Helpful in the treatment of male erectile dysfunction and premature ejaculation. Krrista Purple Flame double-acting tablets need to be used in strict accordance with the correct method. Generally, it is recommended to swallow with warm water. If you take it with sugar water, the effect will be better, and it can also alleviate some side effects. The overall dosage of Krrista Purple Flame double-acting tablets should not exceed one per time (within 24 hours). You can make appropriate arrangements according to your actual situation. Generally, it is recommended to take it two hours before sex.