Persistent fatigue, brain fog, low mood, weight gain, tingling in the hands or feet, frequent illness, post-COVID fatigue, or feeling generally "off" despite eating well and sleeping enough, especially if you're vegetarian, vegan, over 50, on metformin or a long-term acid reflux medication, or have a history of low B12 or pernicious anemia
After the Guardian approached the clinic for comment, it deleted the claims from its site
Autoimmune Conditions: Certain autoimmune diseases may cause cell damage and disrupt normal vitamin B12 metabolism
The glycinate form offers superior absorption compared to oxide or carbonate forms, with bioavailability rates reaching 80-90%
Ralston has laid out