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
Proponents of B12 shots claim they turbocharge the metabolism (read: make you thinner), strengthen the immune system, and help cure fatigue, insomnia, even depression
Subcutaneous Injection Sites Once you have decided upon the method that suits you best then you can take instruction on the proper steps to insure that each of your injections are sanitary, effective and safe
Keep in mind, the following pointers are general clinical information and not a substitute for individualized medical advice from your prescriber
No UK Marketing Authorisation Identified No current UK marketing authorisation for a medicinal product containing 5-amino-1-methylquinolinium was identified in the official sources reviewed for this article