Second, in the private healthcare system, the mean age was 47 years (Figure 3B)
Risk factors that should prompt consideration of B12 deficiency include advancing age (reduced stomach acid production), strict vegan or vegetarian diets, pernicious anaemia, gastrointestinal surgery (particularly gastric bypass or ileal resection), long-term use of certain medications (metformin, proton pump inhibitors, H2-receptor antagonists), nitrous oxide exposure (including recreational use), and conditions affecting the gut such as Crohn's disease or coeliac disease
I-vit 12 Injection contains Methylcobalamin B12 2500 MCG + Nicotinic B3 12 MG + Vitamin B9/FOLIC Acid 0.7 MG and others, a vitamin B12 (cobalamin) supplement
It is used to increase collagen and elastin in the skin to make it tight and smooth
10.1016/j.copbio.2012.08.005 34 McGuireS