Zhen Gongfu is a Chinese male enhancement product that claims to work in a similar way to Viagra, and is imported from China. The manufacturer advises that the product should be taken 15 minutes before sex, and that its effects can last up to 120 hours.
The product also claims that it increases sperm production, which allows men to have multiple orgasms and recover quickly after ejaculation. There is not much information provided about the product, but we do know that it is made with ingredients similar to other male enhancement products.
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