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Vitamin B 12 is also available in the form of pills that dissolve under the tongue, and as a nasal spray and nasal gel
Cyanocobalamin is the inexpensive synthetic version your body has to convert before it can use it
A potential caveat in this study is that not all women will have poor vitamin B 12 status, and if the proportion of women with adequate status is high, this will reduce our statistical power which may result in failure to detect important differences
A single dose every 3-6 months in the winter months.
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