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Keep the vial cold, protect it from light, and never share needles
More urgent medical care is needed for sudden weakness on one side of the body, facial drooping, trouble speaking, severe new back or neck pain with weakness, loss of bladder or bowel control, difficulty breathing, or rapidly worsening swallowing difficulty
Always wear sterile gloves
Heres a table to help understand B12 dosages for different groups: Women over 50 might need more B12, up to 1000 mcg a day
US$ 27.86
US$ 24.64
US$ 27.06
US$ 24.75
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US$ 28.62
