These include: While there's no upper limit to how much vitamin B12 you can take, there are general dosage recommendations. For example, the Vegetarian Nutrition Dietetic Practice Group recommends ...

Depending on the individual, they start working within 48 to 72 hours of the first dose, but they might take three months to completely correct a B12 deficiency. Important: Vitamin B12 is water ...

Vitamin B12 with vitamin B9 (folate) helps your body replenish the red blood cells you lost. Without a healthy dose of regular vitamin B12, you can become anemic. Some energy drinks use vitamin ...

doctors may recommend higher doses through supplements or injections. Vitamin B12 is produced by certain microorganisms, that live in the gut microbiome of animals and humans. Here are some ...