Patients with vitamin B12 deficiency and concurrent renal or hepatic disease may require increased doses or more frequent administration of methylcobalamin
The IV is a longer reset
United States), Arabic Gum, Citric Acid, Flavor], Milk Thistle Extract Powder(United States), -Cyclodextrin, Flavor(Natural Lemon Flavor), Other Processed Edible Fats and Oils, Tocopherol, Gardenia Yellow, Polysorbate 80, L-Cysteine Monohydrochloride, Skimmed Milk Powder, Hydroxypropylmethyl Cellulose, Glycerin, Citric Acid *Contains Milk Ingredients subject to change at manufacturer's discretion
Researchers have found specific genes that are more common in people with pernicious anaemia, which backs up the idea that it runs in families
Reference: Michiels C et al
Your experiment fails, but you might not even know why