A saliva strip that gives you a number in fifteen seconds. Calroy's 2-in-1 strips read two things at once, using a patent pending dual pad.

The first pad reads dietary nitrate, which reflects how much nitrate rich food is actually reaching you. The second reads salivary nitrite, the biomarker for nitric oxide itself. Reading both together tells you more than either alone, because it separates what you are taking in from what your body is doing with it.

Fifty strips per canister, which is enough to establish a baseline and then track over time rather than take a single snapshot.

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

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