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Both carry copper ions that drive their biological activity

In short: You should be extremely cautious

however, as with any medication, anaphylactic reactions to pyridoxine injection have been reported in isolated cases of hypersensitive individuals

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In preclinical models, inhibiting this receptor has been shown to mimic some of the physiological effects of endurance exercise

The main safety consideration is about the preservative in bacteriostatic water : Benzyl Alcohol Toxicity: Bacteriostatic water typically uses benzyl alcohol as the preservative