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Detox Diets: Beneficial or Bogus?

de·tox  The metabolic process by which the body rids itself of poisonous substances. A “detox diet” (or “cleanse”) usually promises to aid this natural process by suggesting you (1) steer clear of foods that contain toxins, and (2) consume more of certain nutrients like antioxidants, fiber and herbal extracts.

A typical detox promotes the exclusive consumption of raw fruits and vegetables and liquid meals. Most cleanses suggest drinking large amounts of water, juice or a special concoction, such as one made with lemon, maple syrup and cayenne pepper.

Detox diets will often avoid caffeine, sugar and alcohol. All of us could benefit from cutting back in these areas, but most cleanses are so limiting that your diet becomes deficient in protein and many essential vitamins and minerals. Some cleanses require strict adherence to the plan for a few days, while others want you to stick with it for an entire month! Consuming an extremely restricted diet long-term is not necessary and may even be harmful to your health. Many detox plans also encourage drinking only liquids to “give the body a rest.” However, this claim is scientifically unfounded, since the digestive system is meant to be put to work!

Can a detox diet help you lose weight? Many plans claim to kick start a sluggish metabolism by helping to purify the body. Our bodies, however, are designed to eliminate harmful substances without any help. The kidneys help excrete waste products, while the liver filters blood coming from the digestive tract and metabolizes drugs, alcohol and environmental toxins. There is no evidence that proves a detox diet helps your organs do this more efficiently. Restricting your diet to raw produce or low-calorie beverage blends will help you shed pounds quickly, but this does not mean it’s advisable. Depriving yourself on a month-long cleanse is not a sustainable strategy for weight loss and you’ll likely regain the pounds as soon as you resume your usual eating habits.

In his 2010 book, “Clean,” Dr. Alejandro Junger outlines a three week detox program that allows you to nosh on more than just vegetables. His “pesto baked salmon” recipe sounds appetizing, but you’re still only allowed one solid-food meal per day! In addition to eliminating red meat, alcohol and sugar, Junger also suggests you exclude from your diet many nutrient-rich foods, including dairy, wheat and soy. Lastly, Junger’s website advertises for Clean Program supplements, which are taken throughout the day to “cover daily health basics.” Any detox that requires a cocktail of supplements is likely unbalanced and should not be sustained for more than a few days. Despite allowing you to eat certain fresh, solid foods, even this detox appears too restrictive. Any weight lost will be temporary unless Junger’s more nutritionally sound tenets, like daily exercise and mindful snacking, can be adopted and sustained.

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Filed under Fruits and Vegetables, Supplements, Weight loss