Can B12 Vitamins Cause Acne? Evidence and Management Bolt Pharmacy Madison Prettyman Did you know excessive amounts of B12 can actually be a trigger for acne rosacea? I met with an acne specialist when I had this flare up Instagram Did you know that B12 supplements can significantly contribute to acne? , Ive seen it time and time again with my clientsmany experience stubborn breakouts that clear up once they stop Acne and Vitamin B12 B12 supplements are associated with acne flares and there is a plausible explanation as to why. Think carefully before you take supplements without a good reason #supplements #vitaminb12 #acne #breakouts Does B12 Cause Acne? (HINT: It Depends)