Contrary to claims, Virta has not “reversed diabetes”.
Not tolerating carbohydrate is a pathology. If diabetes has been reversed, glucose tolerance should be restored. If glucose tolerance has not been restored, then LCHF is no different paradigmatically than symptom management with pharmacotherapy.
That disease reversal requires a test with carbohydrate does not imply that a high carbohydrate diet should be resumed for more than a few days, if a low-carbohydrate diet is the preferred means to achieve disease reversal.
That disease reversal requires a test with carbohydrate only implies that a brief demonstration of carbohydrate tolerance is necessary to demonstrate disease reversal.
A few days of carbohydrate at reasonable calorie intake will not compromise glucose tolerance if disease reversal has been achieved. If it does, then disease reversal has probably not been achieved.
Since Virta has not verified disease reversal in the manner explained above, it cannot be said that the Virta study has achieved reversal of diabetes. This is well-understood by the Virta scientists, and it is still unknown why their study has not incorporated this evaluation.
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