the longest-lasting common side effect Fatigue and headache: 13 weeks After stopping, it is fully cleared from your system in approximately 5 weeks The key to shorter, milder side effects is following the recommended slow dose titration schedule, eating smaller meals, staying hydrated, and maintaining open communication with your prescribing provider about any symptoms that feel unmanageable
This phase is essential because weight loss is not a linear process, and the body requires time to adapt to its changing metabolic environment
Patients should wait at least 30 minutes before eating, drinking, or taking additional oral medications
Starlinger, Alex Krivonos, Sheng Cao, Enis Kostallari, Johan W
While B12 is involved in metabolism and energy production, there is limited evidence to support its use as a weight-loss aid alone
Neurochem Res 35, 15751587 (2010)