The timeframe for B12 levels to increase following supplementation varies considerably depending on the severity of deficiency, route of administration, dosage, and individual absorption capacity
Neurobion Forte RF Injection may cause side effects including pain, redness, or swelling at the injection site, nausea, vomiting, dizziness, headache, flushing, and allergic reactions such as rash or itching
It also contains: sodium chloride glacial acetic acid water for injections
Slowing the ramp to the label cadence (2.5 mg start, 2.5 mg steps, four-week holds) dropped that to mid-single digits at every maintenance dose, at no cost to the 12-week result, and the dedicated slow-titration trial reached placebo range. Reaching 15 mg is not the problem
Older adults: B12 absorption can decline with age