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Although there is currently no evidence to suggest any adverse side effects from excess vitamin B12 supplementation, there is no need to take excessively high amounts of the vitamin, as the body can only absorb so much anyway
Shaking the vial Vigorous shaking creates foam and can damage the peptide structure
This makes it especially useful in laboratories that need a stable, uncontaminated solution for repeated use in various experiments and procedures
While some experimental studies show promising results, this potential benefit remains under investigation
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