HazelnutsVSWalnuts

Hazelnuts has 0.4g more protein per 100g than Walnuts — 14.9g vs 14.6g per 100g (USDA). For those watching their calorie intake, Hazelnuts offers only 628 calories per 100g compared to 729.556 calories in Walnuts. In terms of protein efficiency (protein per calorie), Hazelnuts delivers more protein for fewer calories, making it an efficient protein source.

Source: USDA FoodData Central · Data as of Jan 2026

Nutrition comparison per 100g: Hazelnuts vs Walnuts (Source: USDA FoodData Central)
Nutrient (per 100g) HazelnutsWalnuts
Protein 14.9 g14.6 g
Calories 628 kcal730 kcal
Total fat 60.8 g69.7 g
Carbohydrates 16.7 g10.9 g

Hazelnuts

Plant
May lack some essential amino acids. Good to pair with variety.
Nut and Seed Products USDA #170581
Top Protein
Protein14.9g
Cals
628
Fat
60.8g
Carbs
16.7g

Walnuts

Plant
May lack some essential amino acids. Good to pair with variety.
Nut and Seed Products USDA #2346394
Protein14.6g
Cals
730
Fat
69.7g
Carbs
10.9g

How does Hazelnuts compare to Walnuts?

Hazelnuts has 0.4g more protein per 100g than Walnuts — 14.9g vs 14.6g per 100g (USDA). For those watching their calorie intake, Hazelnuts offers only 628 calories per 100g compared to 729.556 calories in Walnuts. In terms of protein efficiency (protein per calorie), Hazelnuts delivers more protein for fewer calories, making it an efficient protein source.

Which food fits which goal?

Muscle Building & Recovery

Hazelnuts

With 14.9g of protein per 100g, Hazelnuts provides the higher protein content needed to support muscle protein synthesis, post-workout recovery, and lean muscle maintenance.

Weight Loss & Calorie Control

Hazelnuts

At only 628 calories per 100g, Hazelnuts allows you to maintain a calorie deficit while still getting essential nutrients, making it ideal for weight management and fat loss goals.

Maximum Protein per Calorie

Hazelnuts

Hazelnuts offers the best protein-to-calorie ratio, delivering 14.9g of protein for just 628 calories, perfect for maximizing protein intake while minimizing caloric load.

Vegetarian & Plant-Based Diets

Hazelnuts

Both are excellent plant-based options. Hazelnuts edges ahead with 14.9g of protein per serving, making it slightly better for meeting daily protein requirements on a vegetarian diet.

Low-Carb & Ketogenic Diets

Walnuts

With only 10.9g of carbohydrates per 100g, Walnuts fits perfectly into low-carb and ketogenic meal plans while providing substantial protein to maintain muscle mass during carb restriction.

General Fitness & Balanced Nutrition

Hazelnuts

For everyday fitness enthusiasts seeking balanced nutrition, Hazelnuts offers a good protein content at 14.9g with 628 calories, fitting well into most active lifestyle meal plans.

What are the key nutritional differences?

Protein Gap
0.4g
-3% difference
Calorie Gap
102
16% difference
Fat Gap
9.0g
Carb Gap
5.8g

Category Winners

💪
Most Protein
Per 100g serving
Hazelnuts
📉
Lowest Calories
For weight loss
Hazelnuts
Best Efficiency
Protein per calorie
Hazelnuts