Has anyone's teeth whitened on zerocarb? +bonus weight question

i was a extreme vegan and a smoker before this which really wrecked the enamel on my teeth, my teeth are pretty much dark yellow, darker towards the gums, is there any chance they will turn a bit whiter overtime on zerocarb??bonus: i’ve been zerocarb for 5months now, still overweight (not much but i haven’t really lost much weight either), i’m still recovering from serious debilitating AI disease however, but do people on zerocarb generally always get to their ideal weight after 1+ years?

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