Materials and methods Study population Peripheral venous blood was taken from healthy non-atopic volunteers (HVs) (n = 10, 6 male, 4 female, mean age 33 years, range 2157 years) and AD patients (n = 10, 5 male, 5 female, mean age 39 years, range 3066 years) recruited from the Department of Dermatology and Allergy, Hannover Medical School (Hannover, Germany)
Competing interests The authors have declared no competing interests
Blher M
Addressing this concern, Hyderabad-based neurologist Dr Sudhir Kumar took to Twitter to note that while vitamin B12 deficiency is known to cause anaemia, peripheral neuropathy, dementia, psychosis and skin pigmentation, calling for supplementation, excessive vitaminB12 may have adverse effects on health and life. Excess of vitamin B12 may be hazardous 1
Even stabilized, an oral peptide delivers a fraction of the dose to circulation