b12 injection realself Medium Vitamin B12 Injection - 10mL
Description
Discussion Several drugs have been known to provoke acneiform eruptions or aggravate acne, including corticosteroids, anti-tubercular drugs, anticonvulsivants, antipsychotics, some anti-cancer agents, and others

Front Immunol (2018) 9:892

Ive not had any side effects from the product but no positive impact either yet
The researchers who conducted the study concluded CTC count prior to treatment appears to be a strong prognostic factor (Igawa 2014)