Step two
B12 also plays a crucial role in maintaining the protective layer around nerves, promoting nerve health, and preventing anemia by supporting red blood cell production
In addition, the natural substance RES is still in the preclinical experimental stage and is difficult to translate because of its problems such as low water solubility, easy degradation, low activity, and poor pharmacokinetics (Pharmacokinetics, PK) (Chung et al., 2020
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With no head-to-head study, comparing the two requires stitching together trials that differ in population, comparator, endpoint, and duration a chain with several weak links
See our research versus pharmaceutical peptides comparison for context