can you inject b12 into your thigh .Vastus Lateralis Intramuscular Injection: Safe and Effective Technique how to give b12 injection

The bruising will be because you caught a blood vessel - nicked a vein so it has leaked a bit of blood into the surrounding tissue

What else can it be

In terms of new research avenues in the NAD + field, it is also emerging that apart from its effects on the mitochondria, NAD + plays a multitude of roles in regulating both metabolic and non-metabolic processes

This gives us a much better idea of whether or not its needed, and how to correctly dose. What to Avoid in B12 Supplements King says there are certain things to look for and avoid when shopping for a B12 supplement

However, genetic factors can cause variations in skin pigmentation within an ethnic group