Drugstore.com is taking $10 off the price of the GNC Gold Card, meaning it's now available for just $5 through 10/7. GNC is a market-leader in sports performance, supplements and vitamins for men and women. The Gold Card takes 20% off all purchases sold through Drugstore's GNC store during the 1-7th of every month, gets you complimentary health and wellness information and up to 50% off from GNC partners. The card is valid through May of 2020 and Drugstore takes 20% off your first Gold Card purchase. Find out more information about the card here.