However, your body cannot produce vitamin B12 on its own
Taking too much can cause side effects like nausea, headache, dizziness, and, in some cases allergic reactions
It is a natural occurring enzyme in every cell throughout the body that has a pivotal function in energy metabolism (storing and transfer)
In this blog, we will understand the factors contributing to vitamin B12 deficiency, the benefits of this essential nutrient, and how quickly you might experience improvements after receiving B12 injections

The amount of B12 a person needs depends on their age and pregnancy status, and can be broken down as follows: Children 13: 0.9 microgram (mcg)/day Children 48: 1.2 mcg/day Children 913: 1.8 mcg/day Teens 1418: 2.4 mcg/day Adults: 2.4 mcg/day Pregnant people: 2.6 mcg/day People who are breastfeeding: 2.8 mcg/day While these are general recommendations, some people may need more than others based on several factors, including: Diet Certain medications Difficulty absorbing B12 into the body Age (older adults may need more) People with certain health disorders, such as gastrointestinal disorders, autoimmune diseases, and anemia People who have had stomach or intestinal surgery People in the above-mentioned groups may need more than the daily recommended allowance, but those in the general population do not, and taking more vitamin B12 than you need is unnecessary