The comments below reflect the personal experiences and opinions of readers and do not represent medical advice or the views of this website. The information shared has not been evaluated by the FDA and is not intended to diagnose, treat, or prevent any disease or health condition. Always consult a qualified healthcare professional for medical concerns.
Katherine (California) on 09/18/2025:
I have learned that anyone with high histamine problems can have a deficiency in Vitamin B12. This means that anyone that gets hives often or has urticaria could be deficient in Vitamin B12. The liquid kind helped me!
