Calories in Black Walnuts

📏 Serving Size: 1 Serving (57.0g)

🧪 Nutrition Facts

Amount Per Serving
  • Calories 350.0
  • Total Fat 34.0 g
  • Saturated Fat 2.0 g
  • Cholesterol 0.0 mg
  • Sodium 0.0 mg
  • Potassium 299.8 mg
  • Total Carbohydrate 5.0 g
  • Dietary Fiber 4.0 g
  • Sugars 1.0 g
  • Protein 14.0 g
Vitamins & Minerals
  • Vitamin A 0.0 IU
  • Vitamin B-12 0.0 µg
  • Vitamin B-6 0.0 mg
  • Vitamin C 1.2 mg
  • Vitamin D 0.0 IU
  • Vitamin E 0.0 mg
  • Calcium 39.9 mg
  • Copper 0.0 mg
  • Folate 0.0 µg
  • Iron 1.8 mg
  • Magnesium 0.0 mg
  • Manganese 0.0 mg
  • Niacin 0.0 mg
  • Pantothenic Acid 0.0 mg
  • Phosphorus 0.0 mg
  • Riboflavin 0.0 mg
  • Thiamin 0.0 mg
  • Zinc 0.0 mg

Note: Nutrition information comes from the USDA Food Central Database. Daily values are based on a 2,000 calorie per day diet (FDA). Actual requirements vary by individual. Use at your own risk.

📋 Nutrition Summary

At 350.0 calories per serving (1 Serving (57.0g)), Black Walnuts is a high-calorie food — portion size matters if you're monitoring your daily intake. The majority of its calories come from fat (34.0g, 80.1% of calories), including 2.0g of saturated fat. It contains 1.8mg of iron (10% DV), which plays a key role in oxygen transport and energy metabolism.

🏷️ Diet & Nutrition Tags

✅ Low Carb / Keto-Friendly

Tags are generated automatically from USDA nutrition data using standard dietary thresholds. They are for general guidance only and are not medical advice.

📝 Ingredients

Black Walnuts

🔬 Ingredient Analysis

✅ Clean Ingredients

No artificial preservatives, sweeteners, colours, emulsifiers, flavour enhancers, or synthetic fortification agents were detected in the ingredient list for Black Walnuts. This does not guarantee the food is unprocessed or free from all additives — always read the full ingredient label.

🤖 AI Nutrition Coach

AI POWERED

Ask anything about Black Walnuts — how it fits your diet, what to pair it with, or how it compares nutritionally.

5 questions remaining

📊 % Daily Value

The following shows how one serving of Black Walnuts contributes to the recommended daily intake for key nutrients, based on a 2,000 calorie diet.

Nutrient Amount % Daily Value
Calories350.0 kcal17.5%
Total Fat34.0 g44%
Saturated Fat2.0 g10%
Total Carbohydrate5.0 g2%
Dietary Fiber4.0 g14%
Total Sugars1.0 g2%
Protein14.0 g28%
Vitamin C1.2 mg1%
Calcium39.9 mg3%
Iron1.8 mg10%
Potassium299.8 mg6%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ✅ marks ≥20% DV (FDA "good source" threshold); ⭐ marks ≥100% DV (a full day's value).

🔥 Calorie Analysis

Black Walnuts accounts for 17.5% of a standard 2,000 calorie daily diet per serving. The majority of the calories for this food comes from fat. Fat makes up 80.1% of the calories.

Fat 80.1%
Fat 80.1% Carbs 5.2% Protein 14.7%

🏃 Exercise Burn Time

How long would it take to burn off the 350.0 calories in Black Walnuts? The table below shows burn time for a 170-pound person doing common exercises.

Exercise Minutes to Burn
Running: 10 minutes per mile 26.5 min
Walking: 17 minutes per mile 60.4 min
Cycling (Low Intensity) 38.3 min
HIIT 32.4 min
Handball 34.7 min

Find more information on calories burned doing popular exercises.

💬 Nutrition Q&A: Black Walnuts

Is Black Walnuts good for weight loss?

Black walnuts are calorie-dense at 350 calories per ounce, so portion control is essential if weight loss is your goal. However, their high fiber and protein content can help you feel satisfied on smaller amounts, making them a reasonable choice when eaten mindfully.

Is Black Walnuts good for muscle building?

With 14g of protein per serving, black walnuts contribute meaningfully to muscle repair and growth. They also provide iron and potassium, minerals that support muscle function and recovery.

Will Black Walnuts keep me feeling full?

The combination of protein, fiber, and fat makes black walnuts quite filling despite their small serving size. A small handful can effectively curb hunger between meals.

What diets does Black Walnuts suit?

Black walnuts work well for keto, paleo, vegan, and vegetarian diets. They're also suitable for gluten-free and whole-food approaches.

What's a sensible portion size for Black Walnuts?

A sensible portion is about 1 ounce or a small handful (roughly 14 walnut halves). This keeps you around 350 calories while delivering the nutritional benefits without overdoing fat intake.

Nutrition Q&A answers are based on USDA nutritional data and are for general informational purposes only. They are not a substitute for professional dietary or medical advice.

📰 Featured Blog Post

How Long to Burn Off Halloween Candy How Long to Burn Off Halloween Candy

Halloween is one of the most sugar-dense days of the year. The average American consumes approximately 3,500 calories of candy on October 31st — the equivalent of an entire day's calorie intake in treats alone.

Read Post →