however, at least some protection is better than none
Among users who post about side effects, the most-discussed run nausea, fatigue, GI-other, anxiety, diarrhea, constipation, menstrual changes, and reflux/burps, in that order
Their mechanisms operate through different pathways (angiogenesis vs
As a result, it is often mistaken for other conditions or dismissed as simply feeling run down. These symptoms can range from mild to debilitating and often include: Fatigue or extreme tiredness Brain fog or memory problems Depression and low mood Pale or jaundiced skin Numbness or tingling in hands and feet Shortness of breath or dizziness Muscle weakness A swollen, inflamed tongue (glossitis) Pins and needles (paraesthesia) Visual disturbances Heart palpitations If left untreated, vitamin B12 deficiency can lead to serious and irreversible neurological problems