Although body-exchange programs mean no one ever has to stay in one meat suit for long, returning yours in bad condition means you forfeit your deposit. Keep your constitution in returnable condition with today's Groupon at Sooner Nutrition on West Lindsey Street in Norman. Choose between the following options:

• For $10, you get up to four smoothie and herbal-tea combos (a $24 value).
• For $20, you get entry into Sooner Nutrition's weight-loss contest to compete for cash prizes (a $40 value).

Sooner Nutrition helps customers stay hale and healthy with a comprehensive array of fitness-fortifying ingestibles and a knowledgeable staff eager to answer questions. The shop's meal-replacement smoothies, which include 19 vitamins and minerals and nine grams of soy protein, are available in flavors ranging from cheesecake to café latte, helping sippers shape up while teaching taste buds how to love again. Herbal tea includes a stomach-soothing shot of aloe concentrate and comes in original, peach, lemon, and raspberry flavors. Customers can buy four smoothie and herbal-tea combos or opt to purchase just one combo and spend the remaining value of their Groupon on other in-store nutritional products, such as protein mixes and multivitamins. Sooner Nutrition employees will assist customers in finding products to meet their fitness goals, whether those goals involve losing weight, gaining it, or transferring it to others.

In Sooner Nutrition's weight-loss contest, the three contestants who misplace the most mass (by percentage of body weight) at the end of eight to 12 weeks receive cash rewards. The first-place contestant wins half of the total pot, second place takes home 30%, and third place gets 20%, which is also the percentage of the average human body's makeup that's composed entirely of swedish fish. Weekly weigh-ins keep contestants on track, and free nutrition classes nourish brains with a diet of low-fat knowledge.