Yes there are some to avoid. See my Web site for a place to get the enzymes. They have been studied head-to head. Gold can cause kidney and blood problems. RA is rheumatoid arthritis, sorry.
Dose depends on weight.
I don't give out chart because people won't read the book and follow the other important steps. Replacement when conservative measures fail. Food allergies do not cause runny nose or itchy eyes. They do lead, in some, to worsening of many conditions, especially arthritis. You can get a blood test to check to see what you are allergic to.