GNC offers 2 for $18 on select top sellers via coupon code: 2FOR18. Plus, shipping is free on orders over $49.
• 6% cash back on GrapeSeed items.
• No cash back on Gift Certificates.
• Coupon codes obtained from sites other than GoCashBack.com may void cash back.
• Bulk/Reseller orders are not eligible for cash back.
• Orders made with gift cards may not be eligible for cash back.
• Orders made from mobile or mobile app may not be eligible for cash back.
• All cash back is at the merchant's discretion.