Since herbs are food, there are generally no dangerous side effects of using them in there natural state. If they are herbal extracts, they are more potent then the raw herb and should be taken in smaller doses to get the desired effects. Some herbs have a cleansing and detoxifying effect on the body and can cause diarrhea and nausea if taken in large quantity. Don’t worry. It’s good to cleanse the body of toxins. Just start off slowly and you’ll get the best long term results.
Gerson Healing Centers of America has an office in San Diego, but the main clinic is in Mexico at Oasis of Hope. The diet is used to treat autoimmune disorders, CHD, and Type II diabetes using Gerson's Diet, Issel's treatments, and Danopoulos' protocols. They have clinics in Mexico, Canada, and the UK. See our organizations page. 1-888-4-GERSON www.gerson.org.
Teas are a great way to get the benefits of sage all you need to do is steep one teaspoon of sage in a cup of water for about 10 minutes. You can also make a pretty awesome sore throat reliever by combining sage and thyme. Take an ounce of both grind them, and cover them with 16 ounces of apple cider vinegar. Be sure to shake it periodically and let it sit for ten days before using.