I have been familiar with Dr. Podbielski's micronutrients for more than 20 years, when screening tests showed that I had a much elevated Ca 15-3 level. I used TP1 for a period, while I have been using TP2 for several years. No additional treatment has been implemented, and the results, which I regularly monitor, remain normal. Thank you and I am very grateful that the Foundation continues the work of Dr. Podbielski.