Vitamin B12 contributes to energy metabolism, reduction of fatigue, immune and nervous system function. You can see that this is a very important vitamin.
If the vitamin B12 level is too low, homocysteine cannot be completely broken down in the body and vascular damage occurs in the long term. Homocysteine is a substance that occurs in the body. High levels of homocysteine in the blood can damage blood vessels and the brain and are a risk factor for cardiovascular disease and depression. For the detoxification of homocysteine, the body needs, among other things, vitamin B12.
The consequences can be heart disease.
Good to know: The German Nutrition Society has increased the recommendation for daily intake of vitamin B12 from 3.0 to 4.0 micrograms.*
This shows how serious even the large institutions, which often take longer to implement, are about providing a good supply of B12.
Unfortunately, vitamin B12 absorption from food is often prone to disruption, so supplementation makes sense.
In Germany, in fact, 33! Millions of people with the stomach bacterium Helicobacter pylori infected. Some feel nothing, others have heartburn because the bacterium increases the secretion of gastric acid. The bacterium can lead to gastritis. Scientists have found that infection with
can lead to vitamin B12 deficiency. 2, 3
This problem unfortunately increases with age.