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For example, older people (because absorption declines with age) and those with gut-related conditions such as celiac disease and Crohns disease may struggle to absorb enough vitamin B12 to stave off symptoms of a deficiency, says Foxx

Recent studies also indicate that 4% of women between the ages of 40 and60 are B12 deficient

A therapeutic dose is the amount of a medication required to achieve the desired clinical effect without causing significant side effects

The 10mg format allows researchers to study both arms of this dual mechanism across a full concentration gradient within a single batch, without the variability of sourcing multiple 5mg vials