Endocrinologists have known for a long time that testosterone increases the body’s ratio of lean muscle mass to fat. In both animals and humans, tongkat ali extract increases muscle mass. In a study of men, half of the subjects ingested tongkat ali extract and half did not. In an eight-week physical training program the men who consumed tongkat ali extract experienced greater gains in muscle mass and strength than those who did not. This demonstrates the powerful...
Chris Kilham is a medicine hunter, author and educator. Chris has conducted medicinal research in over 20 countries including India, China, Siberia, Brazil, Venezuela, Peru, Chile, Vanuatu South Pacific, Lebanon, Syria, Ghana, Austria, Germany, Thailand, Malaysia, South Africa, Morocco and the United States.