That’s impressive but not really a big deal if you think about it. Whenever I ate something, then sure enough a little spike would appear on my chart indicating calories consumed. The fact that it works at all feels a bit like magic, to be frank. The truth is that the GoBe 2’s calorie tracking is both more and less impressive than it sounds on paper. So in other words, you can track broad dietary changes through the methods described, but the accuracy is potentially questionable. “It is impressive that they talk about how they tested the device with other partners, and they show much of the data, but the real world challenges with its use will be significant.” If you could really do all these things with conventional wearables, Fitbit, Apple and others would already being doing it with their own products. “Using electrical impedance and optical techniques for hydration, caloric intake, etc. Professor Jason Heikenfeld of the University of Cincinnati is even more sceptical. I don’t see how this would be anymore accurate than the other methods that are currently being used.” “Also, based on the assumption that the diet is in mixed proportions, this becomes just another assumption of variable which affects the accuracy of any calculations.
“I am unaware of any literature that show how measures of the cells can correlate to calorific expenditure and, if the insulin levels were tracked, there may be a difference for someone on a ketogenic type diet where the insulin response is reduced,” said Taz Faruqi, a member of the British Association for Nutrition and Lifestyle Medicine.
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