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What is Cyanocobalamin (Vitamin B12) Injection for Cats and Dogs
Chandys hypothesis, that the rapid onset of the repairing processes induced by B12 shots might overwhelm the system and temporarily cause a worsening in symptoms, similar to the Jarisch-Herxheimer reaction in those treated for Lyme disease

Kannt A, Rajagopal S, Kadnur SV, et al

Wilson, P

Immunity Boost : No matter the season, shield yourself against illness with this powerful and effective dose of vitamin C & zinc
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