It depends on your goals
Community-reported effects (nausea, GI discomfort, headache) come only from anecdotal vendor/forum sources, not controlled studies
This guide walks through what B12 injections typically cost in Davenport, FL, how insurance coverage works, and exactly what is included when you come in to Elon Health Urgent Care
Novel small molecule inhibitors of nicotinamide N-methyltransferase (NNMT)
Some people also notice an improvement in their overall sense of well-being and a reduction in symptoms associated with deficiency, such as tingling or numbness in the extremities
Results tend to be most noticeable when paired with calorie control, strength training, hydration, and regular movement