Nitric oxide is the messenger molecule that tells blood vessels to relax and open. The body makes less of it with age, and most nitric oxide supplements give you a short spike and little else.

Vascanox HP is built to hold. Potassium nitrate from the formula sits alongside black garlic, beetroot and a set of dark berry extracts, with vitamin C, D3, thiamine, B12, magnesium and zinc supporting the pathway.

Vegan, and made without gluten, dairy or soy.

Calroy Health Sciences formulates from Scottsdale, Arizona, and runs its own clinical and scientific research programme behind each product.

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