Understanding Health Fads: Juice Cleanses

It’s hard to say when the juice cleanse craze began, but it’s definitely still here and probably not going anywhere soon. Whether it was the early 90s, or in the 2000’s when the internet started pouring out endless health tips, juice cleanses were deemed as the best way to “detox” and “lose weight fast”. Celebrities churn out endorsements for different juicing brands and you can even purchase pre-made juice cleanses sent right to your door step. The question is, are juice cleanses really a benefit to our health?

Let’s break down the two health claims that come from juicing and why they might not be so accurate…

Juice cleanses claim to act as a detox, a method to rid your body of toxins and reset itself to a healthier state. But what your body is actually detoxing from during a juice cleanse might be many of the essential nutrients we need for our body to properly function.

By only consuming fruit and vegetable juice we’re actually stripping out vital vitamins and minerals we need such as Vitamin D, E and B-12 that help power our metabolic functions, such as converting our food into glucose and energy.

And even though fruit and vegetable juices do contain many healthy vitamins such as Vitamin C, A & B, these vitamins need to work in conjunction with other foods to be best absorbed. Removing good fats from your diet prevents your body from processing those potentially healthy vitamins. In the end, you’re wasting your body's chance to absorb these great vitamins by restricting yourself to just vegetables and fruits and eliminating other valuable elements in your diet such as nuts, seeds and, yes even coconut oil (yes coconut oil can be part of a healthy eating pattern!)

Also, it’s important to note our body has its own detoxifying functions to keep you healthy and rid your system of anything it doesn't need. This is what your kidneys, liver and GI tract function as, organs that help rid our bodies of harmful substances. Keep those organs happy and healthy with a well-balanced eating pattern full of real foods and you should be fine functioning with just your own internal detox system!

The second biggest promise a juice cleanse offers is the opportunity to lose weight – fast. In a sense, this claim might actually be true because you are in fact reducing your daily calorie intake, sometimes to as low as just 1000 calories a day. However, if you're looking for a long-term weight loss solution, a juice cleanse will do anything but that for you.

The quick weight loss from a juice cleanse comes predominately from the loss of water weight because as your body is starved for calories it will turn to its stores of glycogen for energy and as your glycogen is depleted so is the water attached to it. So rather than any true fat loss being accomplished, your body is only losing the grams of water in the glycogen that it is burning to keep you functioning on the few calories you’re ingesting. Once you end the juice cleanse and return to your regular diet, your glycogen stores will quickly be replenished, along with the water attached to them, returning you to your initial weight.

If you really want to lose weight fast, you are better off with a fasting mimicking diet full of healthy fats and low carbohydrates. This helps you metabolize your own fat stores rather than burning through your stored glycogen. But even then, short term weight loss is not synonymous with health! In fact, it is usually quite the opposite.

In the end, a juice cleanse won’t deliver on either of its promises, and it will also lead to unpleasant side effects such as headaches, nausea and mood swings on top of faltering energy levels (usually from the lack of fiber and protein in your diet). As you can imagine, these side effects will only slow you down on your path to better health.

It might be appealing to consider a diet that promises to change your life in just 3-5 days, but with a juice cleanse not only is the change short lived, it’s not of considerable benefit to your overall health. To really make a lasting impact on your health, there are no short cuts. So don’t believe it when someone tries to sell you one.

Instead, make a long-term commitment to your health. Implement daily lifestyles that will help you feel better and be better. That involves smarter decisions around nutrition, exercise, mindfulness and more. To learn more and get practical tips on how to accomplish this, consider taking the first step to achieving your best health ever with the Boundless Health Program.

 

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Bret Scher, MD FACC

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