I got B12 injections in September and my skin started getting bad in October. I stopped the B12 in February when I finally realised that was causing the acne. My skin is soooo much better now, I would Best Vitamin B12 Injection Sites: Where to Inject B12 PA Relief Can B12 and Biotin Cause Acne? Emilia Nutrition Benefits of Vitamin B12 Shots Near Me in Oklahoma City, OK Vitamin B12 Injections: Ideal Dosage & Frequency for Men's Health Replying to @Angela Vitamin B12 supplements can trigger an acne like eruption, as can vitamin B6 & biotin supplements. In contrast to acne, there are no comedones. Once the supplements are stopped,