Keto: What Fits, and What Your Limit Changes

Almost every keto page on the internet gives you a list of allowed and forbidden foods. That is the wrong shape for the rule. Keto is a number — a daily net carb limit — and whether a given food fits depends on your number and your portion, not on which list someone put it in.

Net carbs are total carbohydrate minus fibre. The subtraction is standard practice because most fibre is not absorbed as glucose; sugar alcohols are the genuinely contested part, and we say so on the pages where they appear. Most people run somewhere between 20 g and 50 g of net carbs a day, and that range is wide enough that the same food is a clear yes at one end and a clear no at the other. Which is exactly why a list cannot answer it.

Every judgment on this rule

Against a 20 g daily net carb limit. Open any row to change the number to yours.
Is an IQBAR Keto0.9 g net carbsFits
Is a Blueberry RXBAR Keto9.4 g net carbsDepends
Is a Clif Bar Keto23.8 g net carbsOver
Is Cottage Cheese Keto5 g net carbsFits
Is Cream Cheese Keto1 g net carbsFits
Is Kirkland Almond Butter Keto5 g net carbsFits
Is Diet Coke Keto0 g net carbsFits
Is Coke Zero Keto0 g net carbsFits

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