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
The irony, as you point out, is that this same rigidness does not apply to other medications that can be prescribed in a more flexible manner
For Laboratory and Research Purposes Only Not intended for human consumption or therapeutic use
This injection aids in red blood cell formation, neurological function, and DNA synthesis
Occasional headache or lightheadedness during initial use