GNC has been a hallmark of the health and supplement industry. For over 87 years, GNC has offered forward-thinking wellness solutions as it has established itself as an innovative health brand. Four years ago, GNC set out to upgrade its loyalty program based on consumer feedback to offer a more robust and incentivized experience for customers looking for a one-stop shop for their overall healthcare and wellness goals. In July, GNC’s revamped loyalty program went live, offering several....