Learn more about gummy supplements, including those for multivitamins, vitamins C and D, calcium, and B vitamins
When Oral Supplements Are Sufficient: Mild Deficiency Cases: Dietary insufficiency without absorption issues Preventive supplementation Cost-conscious approach No underlying digestive problems Recommended Dosage: 250-1000 mcg daily for maintenance When B12 Injections Are Superior: Severe Deficiency or Absorption Issues: Pernicious anemia Digestive disorders affecting absorption Rapid correction needed Previous failed oral supplementation The Science: Intramuscular B12 injections bypass the digestive system entirely, providing 100% bioavailability compared to 1-5% from oral supplements in deficient individuals
According to WebMD, The more common B12 injection side effects are: Swelling at the injection site Mild dirhhea Itching Swelling in the body Low potassium (weakness, irregular heartbeat) There is a case report of an anaphylactic reaction to a B12 injection in a 55 year old women receiving cyanocobalamin, but these reactions are thought to be rare
Neuroendocrinology , 47(1), 8287
5mg vial
Handling Notes Protect from light