lump under skin after b12 injection Why do I get painful white bumps injections? Managing Vaccine Injection Site Reactions:
Description
NAD+ Injection The NAD+ solution is administered via a quick subcutaneous injection just beneath the skin

CMS Medicare Coverage Database : For Medicare-specific guidelines
The procedure is also routinely performed in outpatient hospital clinics (POS 22 or 19), ambulatory surgery centers (POS 24) when imaging guidance or sterile technique is required, and emergency departments (POS 23) when aspiration is medically necessary to rule out infection or manage acute swelling

Its strongly recommended, especially if your symptoms are non-specific
Are you saying, Wait, B12 for beauty?