This includes the following patient groups: - Those who follow a strictly vegan diet - Those over the age of 50 - Those who take certain medications that are known to inhibit the absorption of B12 - Those who have an autoimmune disorder - Those who have gastrointestinal disorders - Those who have issues with stomach ulcers, atrophic gastritis, and other similar health problems SYMPTOMS OF A B12 DEFICIENCY Whether you fall into any of the categories above or not, there are certain signs to be aware of that could mean that you are suffering from a vitamin B12 deficiency
Nicotine, like alcohol, activates the brains reward systems, leading to the release of dopamine, which reinforces the habit of smoking
In the case of renal impairment, urinary elimination of carnitine increasing, endogenous synthesis decreasing, and poor nutrition as a result of disease-induced anorexia can result in carnitine deficiency
Endocrinology 156 (7), 24172428
Apr 23, 2026 Recurring vaginal infections like yeast infections or bacterial vaginosis (BV) are often dismissed
Interestingly, an analysis of data collected in the WENBIT study demonstrated that systemic inflammation was associated with an increased degradation of pyridoxal (PL) to 4-pyridoxic acid (PA), supporting the use of the ratio PA:(PL+PLP) as a marker of both vitamin B 6 status and systemic inflammation (57)