Is Cultured Buttermilk Keto?
No, Cultured Buttermilk is not keto-friendly. While it offers the tangy flavor profile you might crave, the inclusion of tapioca starch makes it a risky choice for maintaining ketosis. If you are strictly tracking your net carbohydrates, this specific brand of buttermilk is likely to break your diet.
The Ingredient Breakdown
As a food scientist, I look at the label to understand the chemistry of the product. The primary issue with this Cultured Buttermilk isn't the dairy itself, but the additives used to modify texture and consistency. Let's look at the specific ingredients that make this non-keto.
The most significant offender here is Tapioca Starch. Tapioca is a pure starch extracted from the cassava root. On a ketogenic diet, the goal is to limit net carbs (Total Carbs minus Fiber) usually to under 20g per day. Tapioca starch is a carbohydrate that is rapidly digested, essentially acting as pure sugar in your body. It is often used in food manufacturing to thicken liquids or add chewiness, but it provides zero nutritional benefit for a keto dieter and immediately spikes your carb count.
Additionally, we see Locust Bean Gum and Carrageenan. These are hydrocolloids (thickening agents) derived from carob beans and seaweed, respectively. While these are generally considered low-carb and acceptable on keto in small amounts, they are often used in conjunction with starches like tapioca to create a stable, creamy suspension. Their presence here suggests the product relies heavily on additives for mouthfeel rather than just the natural thickness of cultured dairy.
Nutritional Value
When evaluating this buttermilk for a low-carb diet, the macro breakdown tells the whole story. Standard buttermilk is naturally low in fat and moderate in protein, but the carbohydrate content is the deciding factor. Because this specific product includes tapioca starch, the carbohydrate count is significantly higher than what is permissible for a ketogenic state.
Even a small serving size of this buttermilk can consume a large percentage of your daily carb allowance. For a diet that relies on fat for fuel, this product offers very little fat and too many carbohydrates to be considered a 'fat bomb' or a staple. It fits better into a standard low-calorie diet rather than a low-carb one. If you are looking for the probiotic benefits of buttermilk, you would need to find a version that is strictly cultured milk and salt, without the starch fillers.
Frequently Asked Questions
Does Cultured Buttermilk contain dairy or gluten?
Is Cultured Buttermilk good for weight loss?
Where can I buy Cultured Buttermilk?
Is Cultured Buttermilk safe for kids?

Cultured Buttermilk
Keto Analysis
We recommend searching for certified Keto alternatives.
Pro Tip
Always double-check the label. Manufacturers change ingredients frequently without notice!




