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Deficiency is particularly common in elderly people because the ability to absorb vitamin B12 can decrease with age
Some clinical observations report improved hair density with consistent use
But patterns that emerge across many independent users can suggest real phenomena worth investigating
Oral supplements have to pass through the digestive system and may not be absorbed efficiently, especially in people with gastrointestinal conditions like celiac, Crohns, or gastritis
This is the dose level where the 1ml reconstitution starts to make more practical sense
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