Provoked urine heavy metal testing
Brecka reinforced a point made by Dr. Nischwitz about timing. They both stressed that the biggest detox is removing the source first—amalgam fillings, metal posts, root canal remnants. Brecka observed that he's seen hundreds of cases where a standard urine or blood test showed no metals, but a provoked urine test was off the charts. He emphasized the importance of a provoked test to see what's really in the tissues. The protocol is a two-step: surgical clearing of the mouth by a biological dentist, a 4–6 month healing and nutritional rebuilding period, then the IV chelation and urine collection. This prevents the common mistake of detoxing while still exposed, which can make people sicker.
Chelation agents bind heavy metals in the blood and create a concentration gradient that draws metals out of intracellular stores. The kidneys then excrete the bound metals. If a source remains in the mouth, metals will continue to leach into the bloodstream and can be shuttled into organs during the process.
He has 'seen people hundreds of times' do a standard test, show zero metals, then have a provoked test come back extremely high.
If you really want to do a a true heavy metal test, remember heavy metals just don't hang out in the blood or hang out in the urine and wait to be picked up in a test. They move into the tissue. And so the one of the best tests to really see what kind of metals you have in the body is a provoked urine test where you actually provoke the metals with a chilated IV and then you do an 8 hour urine.

