can b12 injections make you nauseous Why do I feel worse after a injection? Common & Rare Side Effects

Animal studies showed thyroid C-cell tumors at exposures much higher than clinical doses

Cross-reactivity with other hormone assays, particularly LH, can also occur, potentially affecting evaluations of gonadotropin levels during treatment

Drug Interactions Other Medications and Supplements Lipotropic agents and high-dose B12 may interact with certain prescription drugs (e.g., levodopa, methotrexate) or other supplements

Nourishes the nervous system and brain Enhances nerve cell function and helps reduce numbness or tingling especially in those with peripheral neuropathy

Compared to GLP-1 agonists GLP-1 receptor agonists like semaglutide and tirzepatide have become extremely popular for weight loss

Interaction risks with medicines or other research compounds are unknown