b12 injection is iv or im vitamin Dosage for Adults: Guidelines B12 - Injection Compounded Hydroxocobalamin (Vitamin B12) Injection

Maximum: Up to ~500 mcg/day

Dont know your BMI

The shampoo gently removes buildup and prepares the scalp, the conditioner restores moisture and resilience, and the targeted serum delivers concentrated copper peptides directly to the follicle environment.[1] Designed to help reduce shedding, improve hair density[2], and create optimal conditions for healthier, thicker-looking hair with consistent use

And the position of the Pernicious Anaemia Society has always been that PA is more than just B12 deficiency

While it can not prevent cancer, it is a useful line of defense against lung cancer, prostate cancer, colon cancer and breast cancer

It is essential for virtually every organ system in the body