swelling after b12 injection Is Your Site Reaction Normal or Severe? Possible allergic reaction to B12

Long-Term Medication Users Medications such as metformin (used for diabetes) and proton pump inhibitors (used for acid reflux) can interfere with B12 absorption when taken long term, making supplementation necessary

Active eating disorders represent a relative contraindication

Hair loss can be caused by a wide range of factors including genetics, stress, hormones, medical conditions and treatments, or other lifestyle factors

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Contact your provider or the pharmacy to discuss the appearance of the vial before proceeding with your dose

Q: How long do the effects last