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acceptable limits are generally 0.1%
Malabsorption Disorders: Conditions such as pernicious anemia, Crohns disease, celiac disease, or a history of gastric bypass surgery can hinder B12 absorption
The peptide market contains both legitimate suppliers committed to quality and opportunistic vendors selling substandard or counterfeit products
After this point, both peptide degradation and bacterial contamination risk increase beyond acceptable thresholds, even with bacteriostatic water as the diluent
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