Kenay ® Black Ginger SirtMax ® is a food supplement designed to supplement the daily diet of adults. Each vegetable capsule contains 60 mg of black ginger rhizome extract. Registered trademark SirtMax ® . 100% vegetable origin. Vcaps® capsule suitable for vegetarians. Ecological glass packaging. What properties does black ginger have? Black ginger ( Kaempferia parviflora ), also called dam krachai, is a herbaceous plant of the ginger genus. Black ginger rhizome has been an element of folk medicine in Asian countries for centuries. Unlike the more famous ginger rhizome, it is brown or dark red inside, but has a similar taste. The recommended daily dose of the preparation is 1 capsule. A 60-pack of SirtMax ® Kenay ® Black Ginger Formula will provide two months of supplementation.