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The most common natural sources of vitamin B12 come from animals, such as poultry, meat, fish, and dairy
in most cases, its used in the medical field
A tumor cannot grow beyond a few millimeters without establishing its own blood supply
Gerhard Baumann published a critical review on growth hormone doping in sports, paying particular attention to contrasting what athletes believe with what has been demonstrated scientifically
PMID 29167919
In these cases, an injection bypasses the faulty digestive system, delivering B12 directly into the muscle where the body can use it
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