Is fiber important in keto diet?

Fiber plays an essential role in a ketogenic diet. According to Dr. Dominic D'Agostino, incorporating fibrous vegetables, which he refers to as non-glycemic carbohydrates, is beneficial for moderating the digestion of proteins and helps in the controlled absorption of nutrients. This inclusion of fiber also aids in maintaining and supporting the gut microbiome, which is crucial for overall health on a ketogenic diet 1.

Moreover, Dr. D'Agostino highlights that a well-designed ketogenic diet should ideally contain a substantial amount of fiber from sources such as green vegetables and salads. This not only assists in gut health by supporting the microbiome but also helps mitigate the insulin spike that can occur with protein intake, thus aiding in maintaining ketosis 2.

Finally, both Rhonda Patrick and Dr. D'Agostino emphasize the importance of fiber in producing short-chain fatty acids like butyrate in the gut. These fatty acids play a significant role in maintaining the health of colonocytes and regulating immune functions, further underscoring the importance of fiber within a ketogenic diet 3.