b12 injections 1000mcg Cyanocobalamin Injection, USP 30000 Mcg/30 mL (1000 Mcg/mL) 30 mL Vial Vitamin B12 Cyanocobalamin injection 1000

Cognitive difficulties ("brain fog"), trouble concentrating, and sleep that doesn't restore are hallmarks of the condition

Transdermal forms of vitamin B 12 are available over the counter, but this route of administration has not been validated clinically in the setting of vitamin B 12 deficiency and should not be relied upon for treatment

Watkins, et al

In my thighs I almost always get lumps and bruises

A popular choice among health practitioners and dietitians is Pure Encapsulations Methylcobalamin (also available on the Fullscript supplement dispensary), which contains 1,000 mcg of vitamin B12 (as methylcobalamin) per capsule