Certain populations are at higher risk of vitamin B12 deficiency, including older adults (due to reduced gastric acid production), individuals following strict vegan or vegetarian diets, those with pernicious anaemia (an autoimmune condition affecting intrinsic factor production), patients who have undergone gastric or ileal surgery (including bariatric procedures), and those taking medications that affect gastric acid secretion (such as proton pump inhibitors or H2 antagonists) or intestinal absorption (including metformin)
Our body doesn't get protein from protein
After 28 days, the cumulative risk of a chance contamination event increases, and the preservative's effectiveness can no longer be guaranteed
A true reaction, by contrast, is your skin objecting to the product and will not improve with continued use
Interestingly, in cats, there was no change in serum concentrations of homocysteine (see Figure 1)