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Related: 11 Foods That Make You Taller (and Why They Do) Why We Need Macronutrients Each of the three major macronutrients proteins, fats and carbs has important and distinct roles in the body when it comes to weight management, hormonal balance, immunity, development and so on
Who may need lifelong B12 injections
Talk with your primary care doctor to see if IV vitamin therapy is right for you
An intramuscular injection delivers the B12 directly into your muscle, allowing it to be absorbed quickly into your bloodstream
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