In the 1990s and 2000s, further non-RCT studies in the elderly with or without dementia/AD and low B12 status have also mostly shown no benefit of B12 for cognitive function
That often includes: Older adults who naturally absorb less B12 from food Vegans and vegetarians who dont eat enough B12-rich foods People with stomach or gut issues (like Crohns or coeliac disease) Those on long-term medication that affects absorption Busy people who feel drained all the time and cant explain why If you fall into one of these groups, injections might be worth considering
Because these injections are not regulated by the FDA in the same way as medications, there can be variations in quality and composition
Relation of serum ascorbic acid to serum vitamin B12, serum ferritin, and kidney stones in US adults
Vitamin B12, also known as cobalamin , is a water-soluble vitamin, which means it dissolves in water and is not stored in the fat cells
5-Amino-1MQ has limited research data