Juice Fasting with Drs. Rick and Karin Dina D.C.


Fresh VegetablesWe hope that you had a joyful and healthy holiday season! January is always a special time of the year for us. It is a time to rest, regroup, and set our sights on the coming year. It is also a time when we sit down and ask ourselves some formative questions: how have we progressed toward reaching our personal and professional goals and what do we want to achieve in the coming year. This January, as in many past years, we have decided to do a short juice fast. For us, juice fasting is similar to pushing our body’s “reset” button. Short juice fasts can provide a variety of health benefits including weight loss, rest for the digestive system, and essential nutrients to assist in cleansing and healing. Weight loss can be achieved in some different ways including consumption of fewer calories than our body uses or through exercise that burns more calories than we consume. The number of calories used by our body each day is called our total energy expenditure. There are three main factors involved in total energy expenditure: basal metabolic rate, processing of food, and physical activity. Basal metabolic rate can be thought of as our basic energetic needs, which would include breathing, blood circulation, repair of body tissues and cells, brain and nervous system function and other life-sustaining processes. Basal metabolic rate accounts for between 50 and 70% of our daily calorie use. Processing of food includes digestion, absorption, transport, and assimilation of nutrients. Food processing uses about 10% of our daily calorie expenditure. Physical activity includes movement and exercise, which accounts for the remaining percentage of calories used daily.

During digestion of plant foods, nutrients are separated from fiber and then absorbed and utilized by the body. Fiber is left in the digestive tract and eventually excreted. Juicing of fruits and vegetables separates fiber from juice, which may increase bioavailabilty of the nutrients from plant foods similar to digestion. Consuming juice can help decrease the body’s need to expend energy to separate nutrients from fiber, potentially providing leftover energy for other body functions such as cleansing, healing and helping us feel more energized.

Additionally, fresh juice made from whole natural plant foods can contain many beneficial nutrients that support the natural detoxification processes of our body, including vitamin C, minerals, phytonutrients and antioxidants, and many others. Weisel et al. noted in their 2006 study that consumption of juice containing beneficial antioxidants may help reduce free radical damage to cells. Kim et al. found in their 2008 study, that the consumption of fresh kale juice favorably affected the antioxidant and blood selenium levels of study participants. Cherie Soria, Brenda Davis, R.D., and Vesanto Melina, R.D. in their book The Raw Food Revolution Diet suggest to “drink fresh juice immediately after it has been made…juices not ingested immediately will lose some vitamins due to oxidation”.

There are many types of fresh juices one can consume. One of our favorites contains kale, celery, and cucumber. In this email Living Light has provided a variety of healthful and appetizing juice recipes. Here’s to a healthful and energetic start to 2009! Cheers!

Dr. Karin Dina, D.C. and Dr. Rick Dina, D.C.


Groff JL and Gropper SS. Advanced Nutrition and Human Metabolism, 3rd Edition. Belmont, CA: Wadsworth Thomson Learning, 2000.

Kim SY, Yoon S, Kwon SM, Park KS, Lee-Kim YC. Kale juice improves coronary artery disease risk factors in hypercholesterolemic men. Biomed Environ Sci. 2008;21(2):91-7.

Soria C, Davis B, Melina V. The Raw Food Revolution Diet. Summertown, TN: Book Publishing Company, 2008.

Weisel T, Baum M, Eisenbrand G, Dietrich H, Will F, Stockis JP, Kulling S, Rufer C, Johannes C, Janzowski C. An anthocyanin/polyphenolic-rich fruit juice reduces oxidative DNA damage and increases glutathione level in healthy probands. Biotechnol J. 2006;1(4):388-97.


4 Comments Add your own

  • 1. Shauna  |  March 28, 2012 at 8:11 am

    I want to do a 10 day juicing fast but not quite as the fast that I have studied. Today (3/28/12) is my first day. I don’t have a juicer so i liquified my fruits in my blender. Then i realized I didn’t have a strainer (lucky me). I was determined to go forward and am drinking as is. pulp and all… What am I hurting if I don’t remove the fiber? I would much rather have the fiber. Will be body still be cleansed of toxins? My blenders does a good job there were no chunks of fruit but ofcourse the juice was thick. I am also drinking 8 glasses of water each day and sipping on green tea throughout the day whenever I feel hungry. I have one kidney and due to family history I am at risk for diabates, I don’t want to put my body through an extreme.

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