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However, a large amount of air can be dangerous, painful and a reason for B12 injections gone wrong. To remove air bubbles from a syringe, hold it upside down and flick its side several times until all air has risen to the top
Since it is available through food intake only, its deficiency is common when the diet is not balanced or the metabolism/absorption is hampered, which is seen in certain medical and genetic conditions
Vitamin B12 also removes a dangerous protein in the blood called homocysteine that could otherwise damage arteries and contribute to inflammation, osteoporosis, and heart disease
It does not naturally occur in plant-based foods so vegetarians can find it in some breakfast cereals or use B12 oral supplements or B12 injections
Both are copper peptides with similar roles
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