(TrendHunter.com) Health and fitness product retailer GNC has signed a deal with Chlorophyll Water to begin selling the brand's eponymously named energy beverage on GNC.com and at over 240 physical stores... (TrendHunter.com) Health and fitness product retailer GNC has signed a deal with Chlorophyll Water to begin selling the brand's eponymously named energy beverage on GNC.com and at over 240 physical stores...