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Supports multi-dose preparations Many drugs may need to be used in several doses, and each time the bottle is opened or punctured, there is a risk of introducing bacteria
B12 injections often work faster than pills
Detailed written instructions to demonstrate self injection technique
Sterile Equipment: Always use new, sterile needles, syringes, and other equipment for each withdrawal
It is a major source for methyl groups via its metabolite trimethylglycine (betaine) that participates in the S-adenosylmethionine synthesis pathways
Along the way, several factors can limit how much your body actually absorbs
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