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Poor Dietary Intake Vegetarians, particularly those restricting milk and eggs, are at higher risk of B12 deficiency because there are limited plant-based food sources containing B12

Common Side Effects When side effects occurred, they were typically mild, transient, and similar in frequency to placebo groups: Reported Adverse Effects Most Common (occurring in small percentage of participants): Mild to moderate headaches (most frequently reported, often resolving with continued use) Injection site reactions (minor redness, swelling, or irritation at injection site) Gastrointestinal effects (particularly at higher oral doses: mild nausea, diarrhea, flatulence) Fatigue (reported occasionally during initial adaptation period) Rare Events: One case of chest tightness was deemed possibly related to treatment in safety trials

In addition to supporting healthy blood, Vitamin B12 is vital for converting the food you eat into energy and maintaining healthy nerve cells

This can benefit individuals with severe deficiencies or those needing a quick boost in their B12 levels