There is no such thing as homemade Viagra. The production of Viagra takes some pretty complicated chemical transformations that use very technical and 실데나필 비아그라 차이 very expensive equipment.
If someone is trying to sell or 비아그라약효 make homemade 비아그라 부작용 Viagra, 비아그라 부작용 you should be very wary, 비아그라 부작용 since homemade drugs can be very dangerous. There is no regulation as to what they put in it.