Progesterone has many benefits and actions in HRT, including lowering blood pressure, increasing bone density and balancing the effects of estrogen. It also helps with anxiety and improves mood. Chemists compound natural progesterone in many dosage forms, including creams, troches, injections, oral sprays, drops and pessaries. This medication is commonly used by patients in its form as micronized progesterone capsules. PA prescriptions are required for this medication.