Natural killer cytotoxicity - the ability of NK cells to kill target cells such as those infected by viruses - also increased by more than two-fold compared to placebo
Improves feed conversion, weight gain, and reproductive performance in deficient livestock
B12 MIC injections and IV treatments bypass the stomach altogether, and are already in a form your body can use, so absorption is not an issue
Certain health conditions such as intestinal or stomach problems, poor nutrition, cancer, HIV, pregnancy, old age, veganism, and alcoholism can cause vitamin B12 deficiency
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