Although parietal cell antibodies are present in approximately 90% of patients with pernicious anemia, they are not specific to the condition
Over the following weeks most people notice steadier energy and fewer afternoon crashes first (weeks 12), then early fat loss around the midsection with workouts feeling more productive (weeks 24), then measurable body-fat reduction and better endurance and recovery (weeks 48), with metabolic markers like glucose and triglycerides often improving by week 8+
Lipolysis in the absence of hormone-sensitive lipase: evidence for a common mechanism regulating distinct lipases
Because B12 is water-soluble and your body clears what it does not use, there is a good deal of flexibility
However, as with any medication, adverse effects can occur, and patients should be informed of potential reactions before commencing treatment
About six percent of Americans under the age of 60and 20 percent of those over 60have a B12 deficiency (1)