bnf b12 injection Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 mL or for certain illness or disease like anemia Vitamin B 12 Cyanocobalamin Injection
Description
Boost Energy and Endurance Push through longer runs and tougher workouts

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PMID: 38044024 6 A Framework to Guide Defining an Upper Threshold of Crystalline Vitamin B12 in Foods and Food Supplements
People who may not get those recommended daily levels often use B12 drips to avoid a vitamin deficiency

Heres what the science says.

The kidney toxicity mechanism, specifically the breakdown of D-amino acids by renal enzymes, would likely make extended continuous use problematic
