Will more calories help?

Definitely follow your doctor instructions in that diet. You should forget about the weight and focus on your health on building healthy habits, that diet isn't a long term change and you could gain weight as fast as you're losing it so think of your progress in terms of a healthy lifestyle. But aslong as you've that high caloric deficit you'll continue losing weight at similar rate and that plateau may be water retention, the only thing that makes you gain or lose weight is the energy that you take eating and the energy your body uses.

pinuplove wrote: »

What 'products' and what kind of doctor is this? Why can't you just eat food?

The products are probably proteint and nutrient rich powders of a VLCD.

deannalfisher wrote: »

you are eating only 800cal, but potentially burning 400 of that - that leaves a net of 400 cal (correct me if I'm wrong)...

From her weight bmr and rate she's losing weight she had daily deficit of more than 2000, It'd be 800 cal's in and -2500 or more net.

PinkamenaD8 wrote: »

Definitely follow your doctor instructions in that diet. You should forget about the weight and focus on your health on building healthy habits, that diet isn't a long term change and you could gain weight as fast as you're losing it so think of your progress in terms of a healthy lifestyle. But aslong as you've that high caloric deficit you'll continue losing weight at similar rate and that plateau may be water retention, the only thing that makes you gain or lose weight is the energy that you take eating and the energy your body uses.

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pinuplove wrote: »

What 'products' and what kind of doctor is this? Why can't you just eat food?

The products are probably proteint and nutrient rich powders of a VLCD.

No way to know until the OP comes back and clarifies. I'm not saying there are no situations in which a doctor-supervised VLCD is warranted, but the post about products and the doctor's advice simply being 'eat less' (when already at a very low calorie level) makes me suspicious that is not the case here.

I'm at 800 calories for the day after lunch. That seems incredibly low and unhealthy.