Older adults, who often suffer from decreased hydrochloric acid in the stomach, and individuals with gastrointestinal (GI) disorders may have lower absorption of B12.2,4 Vitamin B12 deficiency may be characterized by megaloblastic anemia, fatigue, weakness, constipation, loss of appetite, soreness of the mouth or tongue, and weight loss
Potential Side Effects and Interactions Vitamin D and B12 do not interact negatively with one another
What are the benefits of B12 Injections
They will be able to assess your full health and iron status and wont rely on one sometimes imprecise (ferritin) measure of iron status
The recommended daily intake for adults is 1.5 micrograms, but higher supplemental doses ensure adequate absorption
[2] [5] There are no well-documented interactions with most other commonly prescribed medications, but individual responses may vary