Vitamin B12 Injection Duration: 1 to 2 weeks, with some effects lasting up to a month Used for: Boosting energy, supporting red blood cell production, improving nerve health B12 is water-soluble and naturally eliminated through urine, so regular injections may be needed, especially if you have a deficiency or absorption issue (e.g., pernicious anemia or gastrointestinal disorders)
Nature 383 , 728731 (1996)
In response to the failures of B12 therapy by MDs, naturopathic doctors (NDs) claimed that typical B12 shots used cyanocobalamin, an inactive form of B12 that didnt work well
Vitamin B-12 is essential for the creation of DNA and the metabolism of cells, and deficiencies in these can lead to anemia, fatigue, muscle weakness, digestive issues, nerve damage, and mood swings