is it safe to take b12 injections while breastfeeding Vitamin Dosages: Your GoodRx Guide B12 Injection While Breastfeeding: What
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Diet & Nutrition 15

Because B12 is primarily found in animal products (meat, fish, dairy, eggs), people following vegetarian or vegan diets may be at higher risk of deficiency
67 68 Symptom monitoring Monitor symptoms regularly (eg, every two to three months) as they may reappear, even after several months, if injection frequency is reduced

5,7,15,16 When a nerve is hit, the patient will feel a strong shooting and burning pain immediately and may eventually develop paralysis or neuropathy that does not always resolve
doi: 10.1046/j.1523-1755.2002.00144.x