Vial duration A 10 mg blended vial covers ~20 days at 1 administration/day and ~10 days at 2 administrations/day both inside the 30-day reconstituted-use window
So people at greatest risk for deficiency include those with low stomach acid (e.g., older adults and people on proton pump inhibitors or antacids) or low IF production (known as pernicious anemia), people on medications that interfere with B12 absorption (such as metformin), people who have had gastric surgery, those with GI conditions that impair nutrient absorption (like celiac or Crohn's disease), and people on vegan and vegetarian diets
This is an informational overview and does not constitute medical, health, or dietary advice
Vecchiet L, Giamberardino MA, de Bigontina P, Dragani L
near-zero with placebo, with mean rigidity duration of ~38 minutes Erectile dysfunction (organic) : Similar trial showing erections after 63% of drug injections vs
Savastano S, Di C, Barrea L, Colao A