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Vitamin B12 or folate deficiency anaemia Complications NHS
Choosing the Right Form For most people supplementing orally, methylcobalamin or a methylcobalamin/adenosylcobalamin combination is the best choice
Vitamin B12 Through the Oral Mucosa Vitamin B12 can also be absorbed through the oral and nasal mucosa, which is why it is also available in the form of lozenges, drops/sprays and (very rarely) as nasal spray
People with digestive issues : Individuals with conditions like Crohn's or celiac disease often struggle to absorb B vitamins from food and pills
This reflects its significant presence in pharmaceutical and research sectors
Those with active cancer should consult an oncologist, as growth-factor modulation could theoretically influence tumor growth
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