While absorption may not differ among forms of B12, the bodys ability to absorb the vitamin is largely limited by the capacity of intrinsic factor.2,4 Many foods are fortified with B12, including breakfast cereals, meat analogues, soymilk, and nutritional yeast (see Table 2)
If you're eating high-fat or high-fiber foods too quickly, your stomach may empty faster than expected, allowing hunger signals to return sooner
Research shows that green tea extract is one of the common herbal supplements potentially associated with liver damage, says Narang
Side Effects Timeline: What to Expect Most people follow a similar adjustment pattern: Weeks 12 nausea, appetite suppression, mild fatigue Weeks 36 symptoms stabilize Weeks 6+ improved tolerance for most patients Dose increases can temporarily bring symptoms back, but they usually fade again