The evidence is preclinical mouse and cell studies
Rushed handling causes more failures than slow dissolution
In our comprehensive guide, B12 Shots & B12 Injections: The Good, Bad and Alternative! we explore the implications of B12 supplementation for individuals with kidney disease, discussing how impaired kidney function can affect B12 levels and the considerations required when supplementing, ensuring safe and appropriate choices for those managing kidney conditions
More serious deficiencies have the potential to impair heart and neurological function, leading to a wide range of serious symptoms, including but not limited to tinnitus, severe joint pain, memory problems, depression, anxiety, poor muscle function, ataxia and changes in reflexes