High doses of Vitamin C can cause diarrhea and other digestive problems and the formation of kidney stones. To find an expert on fasting , you might want to check with the American Association of Naturopathic Physicians. If you develop an infection, feel weak, or have any other serious symptoms, stop treatment and see your physician. While undergoing therapy, seek medical advice immediately if new symptoms develop or you fail to make progress. Do not undertake a long fast without medical supervision.
Short fasts are usually safe for people in good health.
Do NOT rely on detoxification alone to cure any life-threatening disease, such as cancer or heart disease. There simply isn't enough evidence in its favor to justify the risk. American Association of Naturopathic Physicians 2366 Eastlake Ave. Staying Healthy with Nutrition. Celestial Arts, 1992.