Vitamin B12 is an important nutrient that helps your body make red blood cells and DNA, the genetic material in all of your cells
"I think that's not good for the FDA," he says
Each temperature excursion reduces that window proportionally: a vial exposed to room temperature for 6 hours loses approximately 34 days of viable shelf life
Maintenance doses are then tailored to keep those levels topped up, and their duration of effect is directly tied to the prescribed frequency (e.g., a shot every 12 weeks for many)
One of the mechanisms supporting this resistance is the interaction between FOXO4 and p53 within the nucleus
The classic symptoms of B12 deficiency are persistent fatigue, tingling or numbness in the hands and feet, problems with memory and concentration, mouth ulcers, a sore red tongue, and pale or yellow-tinged skin