I have run across research studies documenting differences in individual biochemistry. (nutritionfacts.org)
How much progesterone reaches the tissues depends on individual biochemistry and how hard the liver happens to be working that day. (virginiahopkinshealthwatch.com)
I believe that each individual needs to go on their own Real Food Journey, because what works for me, may not necessarily work for you, as we all have our own individual biochemistry, gut flora and health histories. (wellness-media.com)