See Huawei's tips at https://consumer.huawei.com/en/emui/tips/smartliving/article1/. I don't know about calories, but it identifies what the camera is looking at. (It sounds like Google Goggles.)
Dammit I'm still on an old EMUI version 9.1.0.121(C792E14R1P5) and this option isn't available. Same goes for the QR scanner button in the camera that someone else was talking about in another thread.
Bell Mobility/ Canada user here.
It's been quite some time since I've seen (read: noticed) staggered roll out updates.
And I've tried both over-air and Hi-Suite direct connection updating.