This is actually pretty easy to grasp. Imagine a steel factory – a factory where they sometimes don’t have enough of one of the needed materials for making really good girders for buildings.

Many girders simply won’t leave the factory – some days there just won’t be enough to make the girders at all. So, no girders go out to building sites where they’re needed.

Other girders may go out, but they don’t have the strength they should because of shortages of the material. What happens to a building made from those girders? Well, it may still hold up for a while, but it will have all kinds of problems with the floors and walls and will eventually just collapse onto itself in a heap of rubble.

In your body, the building is a nerve cell. The girder is a part of the nerve cell called myelin. Vitamin B-12 is the critical material missing for the girder-making process. B-12 (the material) is important in metabolizing the fatty acids (the steel) that are essential for myelin (the girders), a vital component of a certain type of nerve cell (the building).

So when your nerve cells don’t have enough myelin, they don’t function well – or at all! The ‘buildings’ are collapsing, or have collapsed, or were simply never built. Your body’s nerves are being ground into dust. And these particular neurons play and important role in the brain and musculoskeletal system. It is their destruction that leads to depression, memory loss and low energy.

So vitamin B-12’s role is really pretty straightforward! And you can see how important it is to make sure you have enough B-12 in your body to keep the basic infrastructure sound.

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