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Manganese peptide complexes (e.g., manganese tripeptide-1) have been explored as alternatives that avoid copper-related skin discoloration concerns while providing metal-dependent enzymatic activation
Individuals who have had gastric bypass surgery are also at risk due to alterations to the GI tract that impair the release and absorption of B12
183(1): p
Single daily dosing appears effective for maintenance and general recovery based on community experience and the cumulative effects observed in studies
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