Minimum fasting length required for autophagy | Guido Kroemer A key regulator of the process of autophagy is a drop in cellular levels of acetyl CoA, an end product of nutrient metabolism. WEIGHT LOSS activate autophagy autophagy DR RHONDA PATRICK Dr. Guido Kroemer fasting Guido Kroemer minimum fasting time Rhonda Patrick 3730 views 0 / 0