Today's Groupon gets you $40 worth of vitamins and nutritional supplements for $20 at GNC. Head to any of five total GNC locations—one in Wilmar, Chanhassen, Richfield, and two in St. Louis Park—and apply your Groupon to anything they carry, such as Ginkgo biloba capsules or that box of SuperFoods Supreme you wish for every Groundhog Day.
GNC sells a wide variety of supplements (vitamin and mineral and herbal) and other health products (sports nutrition, diet, energy, body care, and more), so you're sure to find something right for you.
More than 25,000 customers on BizRate rate GNC "good" (the equivalent of three out of four stars). They left some comments: