The NICE recommendations tell GPs to consider testing in anyone with one symptom or one risk factor, and to treat early to prevent neurological damage that can become permanent
However, full effects on metabolism and other areas may take 4-6 weeks as it takes time for levels to build up in the body
Vitamin B12 injections are usually for people with conditions that affect the body absorption of vitamin B12 and those who have undergone gastric surgery
When B12 runs low, symptoms tend to creep in slowly enough to get blamed on something else: persistent fatigue, brain fog, low mood, weight gain or difficulty losing weight, weakness, tingling in the hands or feet, shortness of breath, and a weakened immune system
For those incorporating it into a weight loss program, injections are typically scheduled once per week to maintain energy and support metabolic function
If you cant get enough B12 shots from your health care system, you can order them here