High concentrations of the following substances have been known to interfere with Cantron (Protocel), naturally occurring quantities in food has not caused any problems:
Vitamin C taking vitamin C is the number one reason that Cantron (Protocel) fails to work
Vitamin E
Selenium
Thyroid support products
SOD
CoEnzyme Q10
The amount of vitamins found in fruits and vegetables will not have a serious effect on the performance of Paw Paw. The following counter the effects of Paw Paw:
Burdock Root
Essiac tea and Flor-Essence (which is similar to Essiac with a couple of extra ingredients)
Ozone treatments ( oxygen treatments such as hyperbaric oxygen are beneficial to the functioning of Protocel)
Flax seed oil as used in the Budwig diet (also spelled flaxseed oil). It is starting to appear that flax seed oil may be compatible, but it remains on this list as a precaution
IP6 (in theory there may be a problem, but case histories are needed)
714-x
Hydrogen peroxide
PMB Techno
Creatine
Cellect
Ginseng
Glutamine
Taurine
Rhodiola Rhosea
D-Ribose
Zeolite it is not known if Zeolite will chelate compounds in Cantron or Protocel.
Magnesium In higher doses, magnesium is credited with increasing ATP production.
L-Carnitine
Resveratrol
Colloidal silver - the heavy metal quality of silver could cause a reaction with Protocel.
Pau d'arco with Germanium-132 (taking either separately with Protocel is OK)
Grapefruit seed extract (due to its high vitamin C content)
Whey protein should also be avoided because of the L-cysteine
Iodine
MSM
Cesium Chloride
Poly-MVA because of the alpha-lipoic acid
Hormone-Blocking Drugs
Immunocal
MMS (Miracle Mineral Supplement) chlorine dioxide
Sulfhydrazly antioxidants which includes: L-cysteine
N-acetylsteine
Alpha-lipoic acid
Glutathion