Join Date: Apr 2008
Location: Denver, CO
Bikes: Cannondale Synapse 3 Carbon
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Vitamin supplements will not help with energy, unless you have some major deficiency. You are best off eating a balanced diet instead.
That said, there is ginseng, and herbal stimulant in that supplement and that is probably the cause of the boost (that, or placebo effect). You could buy real ginseng much cheaper, but be aware that it can affect you adversely if you have hypertension.
"I would be an historian as Herodotus was." Charles Olson