I think any good health food store, like a Whole Foods or a Wild Oats or maybe a food coop in your town would have some knowledgeable people on staff who could help you pick a good product. There are many to choose from.
There is a fantastic book called, "What your Doctor May not tell you about Pre-menopause" that will tell you all about progesterone cream and how to use it. Look for it on
www.amazon.com
I think you will be happy by the results. It will surely temper

for you, although I hope pregnancy does that for you first!