A recent review suggests that naturally sourced vitamin B12, obtained through diet, may offer greater health benefits compared to supplements. Vitamin B12 is an essential nutrient involved in numerous bodily functions, including red blood cell formation, neurological health, and DNA synthesis. It's crucial for maintaining overall well-being.

The review, which analyzed existing research, explored the differences between B12 derived from food sources and that found in supplements. While both forms provide the necessary nutrient, the natural form appears to be processed more effectively by the body. This enhanced absorption and utilization could translate to improved health outcomes.

B12 is primarily found in animal products such as meat, poultry, fish, eggs, and dairy. Vegetarians and vegans, who exclude these foods from their diets, are at a higher risk of B12 deficiency and may need to consider supplementation or fortified foods. Symptoms of deficiency can include fatigue, weakness, neurological problems, and anemia.

The study highlights the importance of obtaining nutrients from whole foods whenever possible. While supplements can be helpful for those with deficiencies or dietary restrictions, the review suggests that the natural form of B12 offers a potential advantage for heart health and immune function. Further research is needed to fully understand the mechanisms behind these benefits and to establish definitive recommendations for optimal B12 intake.