The beginning of a new year seems like the ideal time to hit reset on a lot of things in your life, especially — after all that holiday indulging — your diet. And programs that claim to help you do just that through a “detox” or “cleansing” regimen remain popular, despite a marked lack of evidence that they actually work.
“The term ‘detox’ is chicer than ‘diet’ right now,” says Brigitte Zeitlin, RD, owner of BZ Nutrition in New York City. “It kind of implies a shorter-term solution, and quick results.”
Most plans are grounded in the idea that flushing toxins out of your system, often through a liquid-only diet with plenty of water, and giving your digestive system a break from its regular role, can bring about miraculous results, from weight loss to more energy to glowing skin. The only problem, experts say: There is zero evidence to support any of that.
What Are Detoxes and Cleanses, and How Did They Get So Popular?
The modern detox movement grew out of largely naturopathic origins. After all, until the last decade or so, detoxing was medical jargon for treating serious conditions, such as alcohol poisoning or kidney failure. But in homeopathic circles, the idea of purifying the body and flushing out toxins took root and grew alongside the movement to “eat clean.”
Most cleanses claim that unspecified toxins — from nonorganic foods, environmental pollution, and other chemical contaminants — are wreaking havoc on our bodies, taxing our digestive systems, and leading to weight gain and serious ailments. They promise to cure these ills by a designated period of fasting or restricting solid foods or certain kinds of foods (alcohol, sugar, gluten, or dairy), often supplementing juices or other drinks as a source of vitamins and minimal calories. Drinking lots of water is also a key component in many popular cleanses and detoxes.
The terms “detox” and “cleanse” are mostly used interchangeably, and most plans fall into one of three major categories: those that replace solid food with liquid sustenance (juices, smoothies, or soups, sometimes with herbal supplements thrown in); those that claim to support your body’s natural detoxification systems by supplying nutrients that boost liver and kidney function; and those that focus on cleansing your digestive system from the opposite end, the colon.