You also might consider visiting your dentist, because the funny metallic taste in your mouth could be a symptom of gum disease. A metallic taste in the mouth can also be caused by taking certain medicines, like antibiotics, advises the NHS
A 2025 meta-analysis of 16 studies involving 6,098 participants found no statistically significant difference between intramuscular, oral, and sublingual B12 supplementation routes (p=0.270)
GLP-1 fatigue and semaglutide fatigue are described often enough in patient reports that most providers watch for the pattern during the early weeks of dosing
For intestinal diseases related to the gut-liver axis and liver diseases, oral administration is considered the most convenient method due to its simplicity and high patient compliance
Understanding your options and what to expect Delivery timing and how the process works General questions before you decide Who Might Benefit from Vitamin B12 Injections