There are two clues in evaluating which issue is causing the elevation in MMP-9 (although as with many of these things, this is not a black and white matter)
If you do a search through scientific articles, you will see tons of published studies dating back over a decade showing the benefits of glutathione
151,152 Inclusion of zeolite (as the zeolite clinoptilolite) in high-lead diets of laboratory mice reduced tissue lead concentration by 7791%, increased the percentage of healthy red blood cells, and reduced chromosomal damage
This enzymatic stimulation appears tissue-specific, as Epithalon selectively protected aged human pinealocytes from degenerative changes while promoting functional restoration of the gland's secretory capacity
doi: 10.1371/journal.pgen.1002552 169 PuglieseAZellerMFernandezAJr.ZalcbergLJBartlettRJRicordiCet al
It is about building enough redundancy into your meals that a busy week does not derail intake