Why is Pro-Gest so trusted? Maybe because it's been the leader since 1978. For 35 years, women have relied on Pro-Gest Cream for midlife balance. Our Pro-Gest 2 oz. comes in a tube that contains a one-month supply of Pro-Gest Cream. There is 20mg of USP Progesterone per 1/4 teaspoon of Pro-Gest and 450mg of USP Progesterone per ounce. Ingredients include USP Progesterone, Vitamin E, Aloe Vera, Safflower Seed Oil, Sweet Almond Oil. Also, it's paraben-free.