Doughnuts are fried or baked pastries made from refined flour, sugar, and fat, often topped or filled with additional sugars. They are extremely high in carbohydrates and added sugars, making them unsuitable for low-carb, keto, and diabetic-friendly eating.

Quick Carb Snapshot

  • Carbs (per 100 g): ~50–60 g
  • Carbs (standard portion): ~25–45 g per doughnut
  • Glycemic Index: High
  • Best Substitutes: Keto doughnuts, cheesecake bites
  • Blood Sugar Impact: High
  • Keto-Friendly? No

Key Traits

  • Texture: Soft crumb, sometimes crispy exterior
  • Flavor: Sweet, often fried
  • Carb Impact: Very high
  • GI / GL Notes: Refined flour + sugar spike glucose rapidly
  • Common Uses: Breakfast treats, desserts

Best For

  • Occasional indulgence
  • Shared treats
  • Carb-inclusive diets

Avoid For

  • Low-carb and keto eating
  • Diabetic-friendly diets
  • Frequent snacking

Why Doughnuts Are High-Carb

Texture & Structure

  • Fried dough structure absorbs oil
  • Dense refined starch
  • Easy to overconsume

Flavor & Nutrition

  • High added sugar
  • Low fiber
  • Low satiety

Best Low-Carb Ways to Replace Doughnuts

Low-Carb Swaps by Use

  • Sweet pastry: Keto doughnuts
  • Breakfast treat: Low-carb muffins
  • Sweet bite: Cheesecake fat bombs

Tips for Successful Swaps

  • Use almond or coconut flour
  • Sweeten with low-glycemic sweeteners
  • Bake instead of fry

Storage & Shelf Life

Pantry

Best eaten same day; stales quickly.

Cooked

Keep 1–2 days refrigerated; freeze unfrosted doughnuts.

Signs It Has Gone Bad

  • Stale or greasy texture
  • Off smell
  • Mold

Allergy & Dietary Flags

  • Gluten-Free: No
  • Nuts: Sometimes
  • Nightshade: No
  • Vegan / Vegetarian: Sometimes

Often compared to cupcakes and pastries, doughnuts are best replaced with
keto doughnuts.

Best Low-Carb Swaps

Best Overall Swap

Almond Flour

View Almond Flour →
Secondary Swap

Coconut Flour

View Coconut Flour →