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Vitamin B12 supplementation is generally considered safe across diverse medication regimens

The objective is restoring a physiological baseline, not chasing a pharmacological spike

10.1016/j.nbd.2011.12.015 89 HallidayG

Improved resistance against White Spot Virus (WSV) infection in tiger shrimp, Penaeus monodon by combined supplementation of peptidoglycan and mannan oligosaccharide (MOS)

This study, over an 8 month period, evaluated 300 individuals between 65 and 96 years of age

Alternatively, if you experience mild gastric discomfort, you can take both after a light meal but avoid high-fat foods which can slow absorption