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6 This form of assay could potentially be performed following oral administration of cobalamin to assess intestinal uptake as a means to diagnose vitamin B 12 malabsorption

Several studies have confirmed the relationship between vitamin B 12 concentration and Hb, MCV, MCH and Hct [42,43,44,45]

Callahan, B

The effects of growth hormone on adipose tissue: old observations, new mechanisms

Oral Supplements: The Traditional Approach Oral B12 supplements have served as the conventional supplementation method for decades, offering accessibility and variety in forms and dosages

However, while some people believe consuming enough B12 can be difficult for vegetarians and vegans, there are plenty of options apart from just supplements