All I can say from Soy Protein Isolate it destroyed my dads thyroid along with my Wife and I... The soy protein that we used was from Shaklee, a soy isolate that had the exact minerals added back in as they new what this stuff did....My wife and mother were long time Shaklee distributors and after learning where most of this stuff comes from and the fact they use Hexane chemicals to extract it and that it caused estrogen build up for me I finally found a DO doctor who shed some light on this subject and we were able to start to rebuild my thyroid while my dads was lost to thyroid cancer.

Yes the same thing goes true for IP6 which is a metal chelator and mostly takes out Iron which stops the cancer cells from dividing correctly is if someone wants to stay on a isolate soy protein be my guest, that why I started to realize that you need to eat whole complete foods not isolates.. ANd if some one is in love with Soy then they should only eat Fermented whole soybeans which is Nattokinase (a power destroyer of Fibrin which cancer cells love to attach them selfs to and float in the blood stream).

I did find a company call http://www.ricegem.com
that had a complete Brown Rice bran with 176mg of IPG per 100 grams of weight. Anything that has a ate after the chemical compound I stay away from as its a man made chemical.

I have to do more research on Dr. Budwig again.... I wonder if it is not the the Flaxoil/CC thats doing the trick along with Diet or but the Flax Seeds them self!!!

I looked up Barleans Forti Flax which is the flax casing left after they press the oil... Their Nutritional label says two tablespoons gives you 320 MG of Phytic acid or should we say IP6? If I IP6 is an Iron chelator and it stops cancer cells from growing this might be the key as you are eating around 8 tbsp a day of grounded flaxseed... So that is roughly 1200mg of natural Phytic acid per day...