In this case, your healthcare provider will recommend supplementation to help get your level where it should be
So, the route of administration matters
The Benefits Of Vitamin B12 Vitamins and minerals are big business and many of us swallow a handful of tablets daily in the hope of maximum absorption and health benefits
Best quality I have found
DOSAGE AND ADMINISTRATION For Intramuscular use only: Cattle and Buffalo (Prepartum) 5-10 ml/head/twice a/week Cattle and Buffalo (postpartum) 10-15 ml/head/twice a/week Cattle and Buffalo (for other condition) 10 ml thrice/week Small animals 1-5 ml thrice/week Or as directed by Veterinarian
Record everything: lot numbers, purity, initial weight, volume of diluent, final concentration, date, and storage conditions