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Large population studies have shown that unexplained B12 levels above 813 pg/mL are associated with an increased risk of cancer diagnosis within one year, though the absolute risk for any individual is still relatively low
I have had no issues in my 3 weeks and I have lost 4 lbs so far
International Journal of Molecular Sciences, 19(7), 1987
That's where treatments like injectable B12 for humans come into play
Understanding why this happens is not just interesting science
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