It does not appear toxic, does not accumulate in tissues, and has been well tolerated in trials
You can find Vitamin B12 naturally in animal products like clams, trout, salmon, and animal liver
Standard cycle: 4 weeks active, 2 to 4 weeks rest Extended cycle (under physician guidance): 6 to 8 weeks active, 4 weeks rest Signals to resume: Rest period complete, no lingering side effects, healing goals not yet fully achieved Signals to stop: Persistent side effects, goal achieved, or physician advises discontinuation Most users complete two to three full cycles for injury recovery
A registry check of ClinicalTrials.gov reveals no large, completed, published trials establishing a human safety profile
Discard the vial and contact your pharmacy