The extra $350 buys you TB-500, which works on cell migration and structural healing through a separate mechanism from BPC-157
However, we found no difference between level of total GSH between heparinized (Preparation Condition 1) or EDTA-treated (Preparation Condition 2) plasma which were both deproteinized and stored at 80 o C
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Presented for research literature review only Peters WH et al
"Clinical efficacy of N-acetylcysteine for COVID-19: a systematic review and meta-analysis." iScience
This option is best suited for those who are comfortable working with typical research-grade variability