How to Prepare Your Body for a 40 Day Fast
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4 min read
According to a study published in the journal *Nutrition and Metabolic Insights*, medically supervised prolonged fasting for 10 days has been shown to improve vitamin D levels and overall quality of life. While a 40-day fast is a far more extreme undertaking, proper preparation is the most critical factor for success and safety when you prepare your body for a 40 day fast.
