Vitamin B12 deficiency

This trial tests whether an injected mix of vitamins B6, B12, and folic acid raises vitamin B12 levels better than standard oral B12 tablets in adults with B12 deficiency. Researchers measure blood markers of B12 status and methylation capacity after 4 weeks of treatment. They al…

This trial asks whether an intravenous (IV) injection of vitamin B12 works better than oral tablets to correct B12 deficiency in adults on long-term hemodialysis. Participants receive either a weekly IV dose after dialysis or oral tablets three times a day for four weeks. Researc…

This study tested whether a special oral vitamin B12 supplement (Sucrosomial® B12) can raise B12 levels in people with type 2 diabetes who have low B12 due to taking metformin. Fifty adults took either the supplement or a placebo daily for 3 weeks. The goal was to see if the supp…

This study looked at whether adding folic acid and vitamin B12 to locally made cereals can improve the nutrition, thinking skills, and mood of teenage girls in rural Ethiopia. About 472 girls aged 13-19 took part. The goal was to see if small-scale food fortification can help pre…

This completed study from Turkey examined vitamin B12 and folic acid levels in 104 fibromyalgia patients before and after they started antiepileptic treatment. Researchers wanted to see if these drugs, already known to lower B12 and folate in epilepsy patients, have the same effe…

This study looked at vitamin B12 and folic acid levels in 96 people with nerve pain before and after they started taking antiepileptic drugs. The goal was to see if these medications lower important vitamin levels. No new treatment was tested; the researchers simply reviewed past…

This study looked at whether eating beef every day for 30 days could improve thinking and visual skills in healthy young women. 80 women aged 18-40 took part, with one group eating beef and the other eating a plant-based protein. Researchers measured their performance on a 3D tra…