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Zinc Levels: Long-term, high-dose supplementation has been linked in some studies to a potential decrease in zinc levels, suggesting that balanced formulations are best
The introduction of potential disulfide-forming thiol pairs may be facilitated by the fact that both Cys do not need to be introduced into the protein chain simultaneously
A: People with diagnosed B12 deficiency, poor nutrient absorption, restrictive diets like veganism, or age-related absorption decline benefit the most from B12 injections
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