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Vitamin B12 is an important nutrient involved in red blood cell production, nervous system health, energy release from food and normal body function
The vial lasts long enough at these low doses that stability is never a concern within the 28-day window
After 20 draws of 10 units each, you have used 2 mL total
Use a 45-degree angle if you are lean, using a longer needle (8 to 12.7 mm), or injecting in an area with less subcutaneous tissue like the thigh
It helps make red blood cells, preventing anemia
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