Serum Institute of India Ltd. Supplies Tibolone Tablets for Natural or Artificial Menopause. Serum Institute of India Ltd. Offers measles and DTP group of vaccines. Tibolone Tablets for Natural or Artificial Menopause is rapidly metabolized into three compounds which contribute to its pharmacological effects and oral administration. Tibolone Tablets for Natural or Artificial Menopause has estrogenic effect on the vagina, on bone and on the thermoregulatory centers in the brain. It has predominantly progestagenic effects on the breast. This tablet also has effects on certain metabolic and haematological parameter such as a decrease in plasma high-density lipoprotein cholesterol, triglycerides and lipoprotein [a] and an increase in blood fibrinolytic activity.