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Immune Function: Both vitamin B12 and D support the body's natural defense mechanism, which helps fight against infections
JVIM Torresson L (2018) Comparison of efficacy of oral and parenteral cobalamin supplementation in normalising low cobalamin concentrations in dogs: a randomised controlled study
No blinded assessment
Its biological activity depends entirely on the integrity of that amino acid chain
For example, people with pernicious anemia might need different doses because they cant make the right proteins
Lyophilized peptides are supplied as a dry powder and must be returned to solution before any analytical work
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