Maple syrup is a concentrated sweetener made by boiling down maple sap. It is almost entirely sugar and is extremely high in carbohydrates. Maple syrup is not suitable for low-carb, keto, or diabetic-friendly eating. Sugar-free maple-flavored syrups are the typical low-carb alternative.

Quick Carb Snapshot

  • Carbs (per 100 g): ~67 g
  • Carbs (standard portion): ~13–15 g per tablespoon
  • Glycemic Index: Moderate to High
  • Best Substitutes: Sugar-free syrup, allulose syrup
  • Blood Sugar Impact: High
  • Keto-Friendly? No

Key Traits

  • Texture: Thick liquid
  • Flavor: Sweet, maple
  • Carb Impact: Very high
  • GI / GL Notes: Concentrated sugar; quick glucose rise
  • Common Uses: Pancakes, waffles, baking, glazes

Best For

  • Carb-inclusive breakfasts
  • Traditional baking
  • Occasional sweet toppings

Avoid For

  • Low-carb and keto eating
  • Diabetic-friendly meal plans
  • Frequent use as a sweetener

Why Maple Syrup Are High-Carb

Texture & Structure

  • Liquid sweetener that pours easily
  • Coats foods and adds instant sweetness
  • Easy to overuse

Flavor & Nutrition

  • Distinct maple flavor
  • Almost entirely sugar
  • Minimal fiber or protein

Best Low-Carb Ways to Replace Maple Syrup

Low-Carb Swaps by Use

  • Pancake topping: Sugar-free syrup
  • Baking sweetness: Allulose syrup
  • Glazes: Maple extract + sweetener

Tips for Successful Swaps

  • Use maple extract to boost flavor
  • Check labels for hidden sugars
  • Adjust thickness with a small amount of water or butter

Storage & Shelf Life

Pantry

Unopened maple syrup is pantry-stable.

Cooked

Once opened, refrigerate; it keeps several months.

Signs It Has Gone Bad

  • Mold on surface
  • Fermented smell
  • Off taste

Allergy & Dietary Flags

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

Often compared to honey and agave syrup, maple syrup is best replaced with
sugar-free syrup or allulose syrup.

Best Low-Carb Swaps

Best Overall Swap

Allulose

View Allulose →