The Tone Device: Black & Gold Important safety guidelines include:

Important safety guidelines include:

You can take it with you on the go - it is lightweight

In general it is best to use the Tone only test with the Tone once per day

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830nm Near Infrared Light

The Tone Device: Black & Gold Important safety guidelines include:How The Tone Works The Tone Device measures breath acetone, a ketone produced during fat metabolism. Breath acetone has been widely studied as a non invasive indicator of nutritional ketosis, allowing users to track metabolic changes without blood testing. Tone provides a convenient way to monitor your progress while following ketogenic or low carbohydrate nutrition strategies. Results from wellness devices may vary between individuals and should be