Should You Go Vegan Like Beyonce?

Is there anything Queen Bey doesn't do? She's now launching a vegan food delivery service called 22 Days Nutrition with her trainer, exercise psychologist Marco Borges. The program is based on the 22 Days Nutrition challenge she took in 2013 with her husband Jay-Z, according to the news release. The program offers three meal plan options that range from $9.76 to $16.50 per person. All meals are 100 percent plant-based and made with organic, non-GMO, gluten-free, soy-free, and dairy-free ingredients. The theory behind it: It takes 21 days to change a behavior, and the 22nd day marks the day your small changes become a full-fledged habit.

Whether or not you're considering Beyonce's specific plan, is it worth giving veganism a go? The fact of the matter is, a vegan diet isn't virtuous in and of itself—you can be a vegan who eats bread and sugar all day. "Just because a cookie is vegan does not mean it is low in calories and sugar," says Alexandra Miller, RDN, LDN, a corporate dietitian at Medifast. But if you swap processed foods for fruits and vegetables, you can reap the rewards of a diet low in saturated fat and cholesterol, and rich in antioxidants, fiber, vitamins and minerals, especially vitamins C and E, folic acid, and magnesium, she says. These nutrients can help prevent diseases like cancer, diabetes, and heart disease—the leading cause of death for women in the United States. Plus, a vegan diet forces you to read labels and think about where your food comes from—never a bad idea.

Just remember: While vegan diets offer a healthy dose of many key nutrients, there are certain ones that may be lacking due to the elimination of animal products, such as calcium, vitamin D, and vitamin B12. Look for foods fortified with these nutrients and talk to your doc about supplements.