Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Take vitamin B12 on an empty stomach in the morning or early afternoon to maximize absorption and avoid sleep disruptions.Vegans, older adults, ...

Vitamin B12 is a nutrient that’s naturally present in many foods and helps keep your blood and nerve cells healthy. However, if you have trouble getting enough B12 from your diet, the best B12 ...

B12 is a water-soluble vitamin that plays a role in the metabolism of every cell in our body. However, despite being essential, our bodies are not capable of producing it. This means we have to get it ...