What Vitamin B6 actually does in the body

Vitamin B6 is one of the most researched B-vitamins, and also one of the most misunderstood — often mentioned in passing without much explanation of what it actually does.

At a basic level, Vitamin B6 contributes to normal energy-yielding metabolism, normal protein and glycogen metabolism, and the reduction of tiredness and fatigue.

In practice, this means it plays a supporting role in how your body converts food into usable energy — which is one reason it’s a common ingredient in everyday wellness formulas rather than specialist ones.

Because it’s water-soluble, Vitamin B6 isn’t stored in large amounts in the body, which is part of why a consistent daily intake — through diet or a simple daily supplement — tends to matter more than occasional, larger doses.

As with any nutrient, the right approach depends on your individual diet and circumstances; this article is educational in nature and not a substitute for advice from a healthcare professional.