Understanding the root cause is key
In general, no common foods or over-the-counter products significantly reduce the effectiveness of hydroxocobalamin injections, but your provider will manage any potential
Macro-B12 should be suspected when a markedly high value persists with no B12 exposure, sits with an unrevealing workup, and disagrees with functional markers
Vitamin B12 injections are recommended for any patient above 18 years old, especially those with low consumption of animal products where the nutrient is found
Harvard Health Blog
Beyond weight loss, early exploratory data suggest potential benefits including: Reductions in HbA1c (a marker of blood sugar control) in people with type 2 diabetes Improvements in lipid profiles (cholesterol and triglycerides) Reductions in liver fat, which may be relevant for metabolic dysfunction-associated steatotic liver disease (MASLD, formerly NAFLD), though these findings are preliminary Possible cardiovascular benefits