II. Mechanism
- Yams are among 600 species of Dioscorea family
- Yams have Estrogenic Activity in animals
- Diosgenin is derived from yams
- Natural Progesterone source
- Highest concentration of Disogenin in Mexican Yam
- Diosgenin not converted to Progesterone in humans
- Diosgenin converted in labs to Progesterone
III. Current Uses
- Premenstrual Syndrome
- Menopausal symptoms
- Osteoporosis
IV. Dosing: Natural Progesterone cream (not Yam extract)
- Preparation: 400 mg per ounce
- Apply 1/4 to 1/2 teaspoon to vagina per day
V. Efficacy
- Yams
- Yam extract has no Progesterone activity in humans
- Yam Estrogen levels are not high enough for benefit
- Natural Progesterone derived from Diosgenin
- May relieve some post-menopausal symptoms
- Minimal or no benefit in Osteoporosis
VI. Adverse Effects
- Yams are an Unopposed Estrogen source
- Risk of Endometrial Cancer
- May require Endometrial Biopsy