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The components of MetS, whether alone or in combination, are significant risk factors for the development of cardiovascular diseases (CVDs)

doi: 10.1016/j.bbih.2022.100542

So the goal of the B12 component is correction and prevention: keeping levels from dropping during treatment, which can in turn help offset the fatigue, brain fog, and irritability that may otherwise show up around weeks 4 to 8 of GLP-1 treatment

It may not be the cure for the common cold (though it's thought to help prevent more serious complications)

Cell and Tissue Research (2019) 4

Why does macrophage polarization matter for shoulder healing