If you have any sort of GI issue (GERD, reflux, SIBO/SIFO, yeast problems, chronic constipation, etc.) you will have problems taking oral forms of vitamin B12
Unlike B12 deficiency, which produces recognisable neurological and haematological symptoms, excess vitamin B12 typically remains asymptomatic and is discovered incidentally during routine blood tests
Its delivered in a pure olive oil base without fillers, preservatives, or sweeteners
It is also calibrated for U-100 insulin
These two delaying factors are why patients with low B12 levels are often prescribed B12 shots instead of oral supplements
Symptoms develop slowly over decades and often mimic common age-related or metabolic conditions, delaying diagnosis