Can Too Much Protein Get You Out Of Ketosis?

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If You Eat Excess Protein, Does It Turn Into Excess Glucose?

Gluconeogenesis is Demand-Driven, not Supply-Driven We have seen the claim that any protein you eat in excess of your immediate needs will be turned into glucose by spontaneous gluconeogenesis ¹. (Gluconeogenesis (GNG) is the process by which glucose is made out of protein in the liver and kidneys.) Some people think that because protein can be turned into glucose, it will, once other needs are taken care of, and that therefore keto dieters should be careful not to eat too much protein. While we believe there are valid reasons for limiting protein intake, experimental evidence does not support this one. In our opinion, it makes sense physiologically for GNG to be a demand-driven rather than supply-driven process, because of the need to keep blood glucose within tight bounds. In brief Gluconeogenesis is a slow process and the rate doesn't change much even under a wide range of conditions. The hypothesis that the rate of gluconeogenesis is primarily regulated by the amount of available material, e.g. amino acids, has not been supported by experiment. Having insufficient material available for gluconeogenesis will obviously limit the rate, but in the experiments we reviewed, having e Continue reading >>

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Popular Questions

  1. sacajaweapatrick

    Ok, so I've been doing well on Medifast and today I wanted steak. I grilled the steak on my George Foreman grill. It was soo good that I ate 8oz. To try and even out the calories I'm going to skip the green and my 2 shakes that I'm still due for. Week this make me gain weight, will I go into starvation mode or will it even out?

  2. sacajaweapatrick

    Ok so the next day I ended up losing 1 lb. Then yesterday I ended up doing the same thing plus I ate my green. This morning I lost 2lbs. I think I'm craving more of the steak these two days is due to me exercising. These past two days I've really kicked it up in the exercising departmentand my body is craving the extra protein. Once I eat a steak after being on Medifast I'm soo full with all that protein on my stomach that even if I wanted to I wouldn't be able to drink the shakes.
    Being new to Medifast and trying to stick with it as directed when I do something that is not in the book or my coach doesn't advise on I freak out. So, I'm just saying all this for all the people like me that do something out of the norm and wonder if they've ruined themselves on the diet

  3. aliciab307

    My coach told me that if I am doing intense exercising I should add and additional 3 oz of protein to my meals. Also NEVER skip any of your meals NEVER. Not even your GREENS. Eat all 5 meals plus your LG even if you cheat, go off plan, whatever. Too much LEAN protein is not bad at all and will not throw you out of Fat burning(FB)

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