Spring is a time for renewal. It's also time to shape up for summer. Here are a few healthful things I've tried that can help us get beach bod ready. Make your own smoothies : With Jamba All Natural Smoothies , you make your fave Jamba smoothies at home. The smoothies are found in your grocer's frozen food section and come in Jamba's three most popular flavors: Razzmatazz, Mango-a-go-go, and Strawberries Wild. Each pack is 120 calories or less and contains two, eight-ounce smoothies -- each with one full serving of fruit and 100% daily value of Vitamin C. Simply blend with apple juice and enjoy. Try a detox diet: Blueprint Cleanse and Organic Avenue are a few popular juice cleanses. I'm not a fan of liquid-only diets (I nearly went psychotic after trying the spicy lemonade Master Cleanse for a day), so it's a good thing these cleanses also offer a combo plan that includes healthy foods and juices. Take a multivitamin: Nature Made's daily Ski...