This is one of Dr. Christophers most famous formulas. It has been used historically for hormone imbalance problems. This formula is popular among those experiencing hormone imbalance of any kind (menopause PMS etc.). It is safe and time tested for both females and males. This formula was marketed heavily via Natures Way and known as Change-O-Life. This formula is a Dr. John R. Christopher original and the 20 year old contract that Dr. Christophers original Formulas and Natures Way had ended May 1998. All encapsulated products are in a pure 100% vegetable based capsule. Size: 100 Vcaps. Ingredients: Black Cohosh Root Sarsaparilla Root American Ginseng Root Licorice Root False Unicorn Root Blessed Thistle Herb and Squawvine Herb. Recommendations: Two capsules 3 times a day.