Skim milk is not ideal for keto: ~5g net carbs per 100g with almost no fat (0.1g). The lactose adds up quickly—especially in drinks—so choose lower-carb options (unsweetened almond milk, coconut milk, or diluted heavy cream). If used, keep to measured splashes and count the carbs.
Is Skim Milk Keto?

Skim milk is not ideal for keto: ~5g net carbs per 100g with almost no fat (0.1g). The lactose adds up quickly—especially in drinks—so choose lower-carb options (unsweetened almond milk, coconut milk, or diluted heavy cream). If used, keep to measured splashes and count the carbs.
- Net carbs (100g)5g
- Protein (100g)3.4g
- Fat (100g)0.1g
- Keto verdictLimit portions
NUTRITION FACTS
Per 100g (raw)
Source: USDA FoodData Central
WHY TO LIMIT IT ON KETO
- Higher carbs (~5g/100g) can quickly eat into daily limits
- Very low fat makes the carb load more insulinogenic
- Superior low-carb alternatives are widely available
- Regular use in beverages may hinder ketosis
- If included, keep portions small and track diligently
HEALTH BENEFITS
- Provides calcium and (if fortified) vitamin D for bone health
- Complete dairy proteins supply essential amino acids
- Naturally contains vitamin B12 and riboflavin
- Low calorie density can aid non-keto calorie control
- Potassium supports fluid balance and nerve function
- Whey casein blend may support muscle repair post-exercise
PREPARATION SUGGESTIONS
COFFEE & TEA
Use a measured splash for lattes or tea; on strict keto, swap to heavy cream or unsweetened almond milk to cut carbs.
COOKING BASE
Lighten sauces or soups on higher-carb days; for keto recipes, use heavy cream + broth for similar body with fewer carbs.
WHIPPED TOPPINGS
For keto desserts, whip heavy cream with vanilla and sweetener; avoid trying to whip skim milk (it won’t hold).
SMOOTHIES
Blend a small amount with whey-protein and ice if you’re allowing extra carbs; strict keto: use almond/coconut milk instead.
BAKING & DESSERTS
In recipes that call for milk, substitute with heavy cream diluted with water to keep carbs down while maintaining richness.
CREAMED VEGETABLES
For keto sides, make the cream sauce with butter and heavy cream; skim milk versions are higher in carbs and less satisfying.