glutathione peroxidase assay Cellular Activity Kit Sufficient for 100 colorimetric tests Sensitivity = 0.5 mU/mL Glutathione Peroxidase Assay - Sciencell

Yes they can

In vitro immunomodulatory effects of herbal products

Currently, studies have engineered EcN by optimizing the bile acid 7-dehydratase baiE gene from Clostridium scindens and constructed a recombinant expression vector that can stably express the BaiE protein

When choosing a semaglutide methylcobalamin product, verify that the pharmacy holds proper state licenses, has current USP 795 and USP 797 compliance (for sterile compounding), conducts potency and sterility testing on their products, and carries appropriate accreditations

Grouping them together causes real confusion about what each does and when, or whether, either is worth pursuing