Reports issued by EU-based accredited laboratories
Note that while elevated homocysteine is associated with an increased risk of Alzheimer's disease, systematic reviews of clinical trials comparing vitamin B12 supplementation to placebo groups have not shown a significant effect in preventing or slowing Alzheimer's disease or cognitive decline
How to Prevent Vitamin B12 Deficiency By eating a balanced diet that contains B12-rich foods, you can avoid developing a deficiency in the first place
To keep your B12 levels right, eat enough B12-rich foods or take supplements
When you reach the age of 65, you are much more likely to suffer from medical conditions, like atrophic gastritis, that reduce the ability to produce stomach acid
While B-12 is essential for overall health, it has gained particular attention for its potential role in aiding weight loss