Featured Formulas by Ray Sahelian, M.D.

Supplement Research Update by Ray Sahelian, M.D.

Screening for prostate cancer is controversial...

Screening for prostate cancer is controversial

A blood test called PSA measures elevated levels of a protein in the blood that identifies prostate cancer but can also reflect less serious prostate issues such as a simple enlargement. The latest data indicates PSA blood tests may slightly reduce the chances of dying from the disease though screening can also lead to needless...

Read more

Concentration of herbs

Q. I keep seeing herbal extracts that say 2:1 or 4:1, and I also see herbs listed as concentrated 20x or 30x. What does this all mean?    A. Traditionally herbs were used whole or boiled as in tea. In the last few decades, particularly in the past 2 decades,...

Read more