Download a free copy of the Natural Progesterone Handbook
Download a free copy of the
Natural Progesterone Handbook
The Natural Progesterone Information Service aims to provide information on all aspects of the use of natural progesterone to women, doctors and other healthcare providers.

NPIS also makes available many books, tapes, videos and scientific papers related to natural progesterone.

Important Please Note!
Please note that NPIS is an information service, not an advice service. We cannot offer medical opinions or answer specific questions on the medical usage of natural progesterone. If you need medical advice, please consult your doctor or one of the doctors listed on this website.

Important Notice regarding 'What Doctors Don't Tell You' Articles

There has been a recent article in 'What Doctors Don't Tell You' questioning the use of Progesterone and the work of Doctor Lee. Please click here to see the article we've added to the site to dismiss this report.

There has also been a recent report in the same publication called 'Cancer in a Cream'.
Please click here for our response to this article