Asafa Powell, world's fastest man and Nutrilite's Double X.

"Taking Double X was the only change I made to how I had been
training," says Asafa. "After I started taking it, I felt I had more
energy to train harder and run faster. I am very careful about what I
consume so I appreciate the balanced vitamin and mineral content plus
the rich, all-natural plant concentrates in Double X." Of course, Asafa
is a world class runner, so these results are not what the typical user
would experience.

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