(Science!) Because of this, theres actually no tolerable upper intake level (UL) for B12 (the max dose you can take before you experience side effects)
You may need B12 injections if you: Have been diagnosed with pernicious anemia Have gastrointestinal issues (e.g., Crohns disease, celiac disease, or after bariatric surgery) Follow a strict vegan or vegetarian diet without adequate supplementation Are over the age of 50, as absorption decreases with age Take certain medications that interfere with B12 absorption Have chronic fatigue, memory issues, or nerve problems due to B12 deficiency
This leaves a stable, dry compound that is suitable for research applications
I have now lost 15 lbs and feel much better
Do acid-lowering agents affect vitamin B12 status in older adults
If you have autoimmune conditions, digestive absorption issues, and are on diets such as veganism and vegetarianism you are at risk of having B12 deficiency