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Size revolution, confidence in your length!
Popular Long Seller! No. 1 Bestseller
The first product in the Size Revolution series
Male confidence begins here
A unique combination of high citrulline content and other power ingredients such as maca, zinc, mucuna, guarana, black garlic plus niacin to help bolster a man’s pride.
Genkido brand No.1 bestselling product
More than 10 years of sales experience, with more than 200,000 units sold (as of September 2022).
Since its launch in 2010, the company has built up trust and a proven track record.
Made in Japan
Manufactured in a GMP-certified plant in Japan.
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