can i do b12 injections myself How Long Does It Take For To Work? Managing B12 Deficiency: My Journey
Description
If your B12 levels are low, the effects show up fast, especially in your energy, mood, and memory
Not for human consumption, medical, veterinary, or diagnostic use

Not necessarily, but its recommended that you consult with your healthcare provider if you suspect you have elevated vitamin B12 levels

For example, pernicious anemia is one of the most common causes of vitamin B12 deficiency because it is an autoimmune disease where the immune system attacks specialized stomach cells that produce intrinsic factor (a protein that binds to B12 for absorption)

My Mum is the same

Vitamin D3 Injection (IM/SQ) What It Does: Improves bone health, boosts immunity, and enhances mood by correcting vitamin D deficiencies