One of the most cutting-edge areas of Vitamin B12 research involves its role as an "epidrug"a compound capable of altering gene expression without changing the underlying DNA sequence
Every compound undergoes independent analytical verification with full lot traceability and publicly available Certificates of Analysis
Symptoms such as muscle tremors and abnormal movements have been observed, but these effects typically resolve with appropriate management and follow-up
Thats not a foolproof guarantee that the peptide will be pure (and free of contaminants like heavy metals), but its better than taking your chances with companies that dont do third-party testing
If pregnant, nursing, or taking prescription drugs, consult your healthcare professional prior to use
Nasal administration is not well studied, 1 and the difference in effect on B12 levels amongst individuals may be due to the route of administration