And the herbal supplement doctors have found most useful and effective is St John's wort , a mood stabilizer that may help treat minor depression. According to a survey conducted by addiction researchers at the University of North Carolina, alcoholics also may benefit from St. John's wort. Both alcoholism and depression have been linked to a deficiency of serotonin in the brain. In its report, the FDA said soy protein differs from other vegetable proteins because it changes the way the liver processes cholesterol. According to the agency, the benefit to the heart comes from consuming a minimum of 25 grams of soy protein per day.
Soybeans are the source of soy protein, a major protein source worldwide.
It is used in making soy noodles and tofu, as well as meat substitutes such as tempeh and soy burgers. It is also available as a dietary supplement.