Right now, when you buy two packs of GNC Women's Ultra Mega Energy & Metabolism at $41.99 per pack, you get one free at GNC.com. Plus, score 15% off $50 when you use promo code GNC1550 at checkout. This brings the price for three packs down from 125.97 to just $71.38, or $23.79 per package, a savings of 43%. Plus, shipping is free on orders over $49. Each box contains 30 packets of vitamins. Also check out the other buy-two-get-one-free products to combine with promo code GNC1550 for more savings on select wellness, sports, and diet items. Sales tax is charged in most states.