Wild Yam Gel Extra Strength 2oz. Wild Yam Gel Extra Strength contains a double strength extract of the Mexican wild yam root. Wild Yam Gel Extra Strength: The wild yam is a rich source of diosgenin. To produce the highest potency wild yam extract possible, only Born Again uses the fresh whole root. Our exclusive six week double extraction process guarantees the highest strength extract available. Independent laboratory analysis verifies that Born Again Wild Yam Gel contains more diosgenin than any other cream or gel. Wild Yam Gel contains an extra strength formula of Mexican wild yam extract, a source of diosgenin, a precursor to progesterone which may relieve symptoms associated with menopause such as hot flashes, night sweats, vaginal dryness and discomfort.