Groups at higher risk of deficiency include older adults (due to reduced stomach acid production), people following vegan or strict vegetarian diets (as B12 is naturally found almost exclusively in animal products), individuals with pernicious anaemia or other malabsorption conditions, those taking certain medications such as metformin or proton pump inhibitors long-term, and people with significant nitrous oxide exposure (including recreational use), which can inactivate B12 in the body
versions, but the active ingredients and effectiveness are the same
Vitamin B12 is crucial for various bodily functions, including DNA synthesis, energy production, and the formation of red blood cells
Vitamin B 12 deficiency resulting from inadequate dietary intake is the easiest to treat
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Why Testing Should Come First We want to be direct about this: neither shots nor pills are something you should choose based on a blog post, including this one