Tablets just as effective Over-the-counter B12 tablets are a fraction of the cost of shots, and have been shown in a British-Canadian study to work just as well for most people, although some people with digestive conditions may have difficulty absorbing the vitamin in tablet form
There is no prize for reaching the maximum dose
And without mandatory preliminary inspections of compounding pharmacies, the dangerous and even sometimes deadly errors that have put these pharmacies in the historic spotlight may make headlines again
Other effects like fatigue or constipation may persist longer, usually resolving by week six to eight
Common gastrointestinal adverse effects include nausea, vomiting, diarrhea, constipation, and abdominal discomfort
Staying at a lower dose longer is a legitimate clinical strategy and often produces better tolerability with only modest reduction in weight loss speed