b12 vitamin injectable B-12 Injection, 1,000 mcg/mL weakness and lethargy Why Use It This injectable Vitamin B12 treats B12 deficiencies in animals Compounded Hydroxocobalamin (Vitamin B12) Injection

Bibcode:1969PNAS...62..461B

These injections contain a combination of: Methionine Inositol Choline Vitamin B12 Together, these nutrients work synergistically to support energy production, liver function, and fat metabolism

Open questions heading into 2025 and beyond Important gaps remain

What the science actually says Here is where the marketing and the evidence part ways: Metabolism

According to the DailyMed label, it is given by intramuscular or subcutaneous injection and is not for intravenous use

5-Amino-1MQ may be used in laboratory studies involving: All applications are limited to research settings only and do not imply any approved human or animal use