Vitamin B12 plays an essential role in keeping the human body functioning smoothly by aiding red blood cell formation, maintaining proper nerve health, and supporting energy metabolism. When the body runs short of this vital nutrient, individuals often experience persistent fatigue, general weakness, a tingling sensation in the hands and feet, and frequent dizziness. To combat these issues, people frequently turn to various supplements in hopes of restoring their nutritional balance.
However, a common frustration for many is that even after regular intake of supplements, vitamin B12 levels stubbornly refuse to normalize. While many assume their daily diet is simply lacking, the real culprit often lies deeper within the body's ability to absorb the nutrient. Dr. Shalini Singh Salunke has outlined the specific reasons why a person's vitamin B12 levels might remain critically low despite ongoing supplement use.
Overcooking Food
Vitamin B12 is a water-soluble vitamin that is sensitive to high temperatures. When food items rich in B12 are subjected to intense heat for extended periods, a portion of the nutrient gets destroyed or diminished. Therefore, experts advise against overcooking these foods to ensure the vitamin content remains intact and accessible to the body.
Excessive Obesity
Carrying excessive weight and struggling with obesity can severely impact vitamin B12 levels. When obesity is accompanied by chronic bodily inflammation and a sluggish metabolism, vitamin B12 levels begin to drop. Persistent inflammation alters the fundamental way cells function, which in turn disrupts how the body utilizes and stores vitamin B12.
Diabetes Medications
Certain medications prescribed for diabetes, particularly metformin, can interfere with the body's ability to absorb vitamin B12 when taken over a long period. Because these drugs affect how the gastrointestinal tract handles nutrients, physicians frequently recommend routine B12 screenings for patients who have been on such long-term regimens.
Stomach and Digestive Disorders
Proper absorption of vitamin B12 strictly relies on a healthy stomach and well-functioning intestines. Conditions such as gastritis, intestinal inflammation, or other chronic digestive disorders can significantly impair B12 absorption. In such cases, simply popping supplements is not enough unless the underlying gastrointestinal issue is properly treated.
Heavy Alcohol Consumption
Consuming excessive amounts of alcohol inflicts physical damage on the delicate lining of the stomach and intestines. This cellular damage drastically reduces the body's capacity to absorb vitamin B12, ultimately leading to a severe deficiency of the vitamin in the long run.
