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Avoid a do-it-yourself approach, as you may accidentally create a dangerous medication interaction

Luan et al., 2021
Before prescribing any peptide for long COVID recovery, a qualified clinician should evaluate: Symptom mapping which cluster dominates (immune, cardiovascular, neurological, GI)
Hydroxocobalamin is a natural, bioavailable form of Vitamin B12, essential for DNA synthesis, red blood cell formation, and neurological function

PubMed Central , doi:10.7150/ijms.26340

The ZR cells were irregularly arranged in random clusters interspersed with sinusoids