b12 injection kits walgreens B!2 Inject Kit: Package Insert / Prescribing Information 12 per dose Contains a sterile vitamin B Quick Dissolve Vitamin B12 5000

The most common side effects are gastrointestinal, including nausea (occurring in 20-30% of patients), diarrhea, vomiting, constipation, and abdominal discomfort

National Center for Biotechnology Information (2023)

Obesity: Global epidemiology and pathogenesis (in Eng)

Specific allergic manifestations consisting of swelling of eyelids, lips, pharynx and larynx, urticaria, asthma, and bronchospasm, sometimes with a concomitant fall in blood pressure

The site of injection should be sanitized with an alcohol pad or cotton ball prior to injecting the solution

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