When vitamin B5 levels are ideal, many people notice increased energy and stamina. It's especially important to include a lot of B5-rich foods in your diet if you're an endurance athlete; the vitamin can improve performance. As mentioned above, B5 is also critical to a well-functioning heart, which keeps you going longer. Metabolic processes also require the vitamin to break down fats and complex carbohydrates and energize the body.

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