how effective are b12 injections Shots Safe? Royal Palm Beach Medical Group Vitamin B12 Shots in Canton,

Some marketing claims (e.g., FDA-approved for weight loss) may be misleading

Rickes 1948 Rickes EL, Brink NG, Koniuszy FR, Wood TR, Folkers K

Each mL of sterile aqueous solution contains: Active Ingredient: Cyanocobalamin (B12)..........1000 mcg Inactive Ingredients: sodium chloride 0.22% w/v, ammonium sulfate 0.1% w/v, citric acid 0.01% w/v, sodium citrate 0.008% w/v, and benzyl alcohol 1.0% v/v (preservative)

Kidney Dysfunction: While the kidneys do not directly excrete vitamin B12 efficiently, impaired renal function may lead to elevated serum B12 levels by reducing the clearance of B12-binding proteins or altering their metabolism, thereby contributing to B12 accumulation 8