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25% off

GNC coupon: 25% off sitewide

Posted:

GNC takes 25% off most items sitewide via coupon code "VORTEX". Shipping adds a flat $1.99. That's among the better sitewide discounts we've seen from GNC in recent months, although we saw 30% off just over a week ago. Some exclusions apply. Deal ends January 31. A couple best bets, with prices after the coupon: