Cratox AI
Reviewed by Cratox Nutrition Team · Updated July 19, 2026
Walnut oil - nutritional information

Walnut oil

🔥 884 Calories
🥑 100g Fat

Walnut oil provides 884 kcal per 100 g, with 0 g of protein, 0 g of carbohydrates and 100 g of fat. 1 cup of Walnut oil (224 g) provides about 1980 kcal.

At a glance

A fast summary built from the current nutrition profile per 100g.

Category
Oils
Walnut oil
Energy density
Dense
884 kcal per 100g
Macro energy profile
Fat-led
0% Protein · 0% Carbohydrates · 100% Fat
Glycemic profile
No GI data
No GI data
Notable signals
High in fatLow in sugarLow in sodiumUSDA data

Nutritional Information

884
kcal/100g
Protein
0g
Carbohydrates
0g
Fat
100g

Nutritional Information (per 100g)

NutrientAmount per 100 g
Calories884 kcal
Protein0 g
Carbohydrates0 g
Fat100 g

USDA data · USDA FoodData Central

Calories per portion

PortionWeightCalories
1 cup224 g1980 kcal
1 tbsp14 g124 kcal
100 g100 g884 kcal

Portion weights: USDA FoodData Central

Portion calculator

Calories
884 kcal
Protein
0 g
Carbohydrates
0 g
Fat
100 g

All values are computed from the per-100 g nutrition data (source: USDA).

About Walnut oil

Walnut oil is a premium oil derived from the nuts of the walnut tree (Juglans regia), renowned for its rich flavor and numerous health benefits. Originating from regions in Central Asia, walnut oil has been utilized in culinary and medicinal applications for centuries. Its distinct nutty aroma and taste make it a popular choice in gourmet cooking and salad dressings, as well as a key ingredient in various traditional dishes across cultures. Rich in polyunsaturated fats, this oil is not only delicious but also health-promoting.

Nutritionally, walnut oil is 100% fat, primarily composed of omega-3 and omega-6 fatty acids, which are essential for heart health and brain function. It contains no carbohydrates or proteins, making it an excellent option for those following low-carb or ketogenic diets. Walnut oil is often used as a finishing oil due to its delicate flavor and is ideal for drizzling over vegetables, pasta, and grains. Additionally, its high smoke point makes it suitable for light sautéing, although it is best used cold to preserve its nutritional properties.

Health Benefits

Rich in omega-3 fatty acids, which help reduce inflammation and promote heart health.
Supports brain health and cognitive function due to its high content of polyunsaturated fats.
Contains antioxidants that can help combat oxidative stress and reduce the risk of chronic diseases.
May improve skin health when used topically or consumed, thanks to its nourishing properties.
Aids in maintaining healthy cholesterol levels due to its heart-healthy fat composition.
Promotes digestive health by providing beneficial fats that support gut function.
May have anti-cancer properties due to the presence of ellagitannins and other phytochemicals.
Helps in weight management by promoting satiety when used in moderation.
May enhance mood and alleviate symptoms of anxiety and depression through its nutrient profile.
Supports overall cellular health with essential fatty acids that are crucial for cell membrane integrity.

Recommended Food Pairings

🥗
Walnut oil and leafy greens - enhances flavor and provides healthy fats for nutrient absorption.
🥗
Walnut oil and roasted vegetables - adds a nutty taste and improves overall nutritional profile.
🥗
Walnut oil and whole grains - complements the fiber content while adding omega-3s.
🥗
Walnut oil and cheeses - balances rich flavors in cheese dishes and salad toppings.
🥗
Walnut oil and fruits - drizzling over fruits like pears or apples can elevate taste and add healthy fats.

How to Consume

Serving size
1 tablespoon (15g)
Frequency
2-3 times per week
  • Use as a salad dressing combined with vinegar or lemon juice.
  • Drizzle over cooked vegetables for added flavor and nutrition.
  • Incorporate into smoothies for a healthy fat boost.
  • Use as a finishing oil for pasta dishes to enhance taste.
  • Combine with honey and mustard for a flavorful marinade.

Selection & Storage

How to choose:

  • Select cold-pressed walnut oil for maximum flavor and health benefits.
  • Look for dark glass or tin packaging to protect oil from light.
  • Check the expiration date to ensure freshness.
  • Smell the oil; it should have a pleasant nutty aroma, not rancid.
Storage
Store in a cool, dark place away from heat sources and direct sunlight.
Shelf life
6 months when unopened; 3 months once opened if stored properly.

Warnings & Contraindications

  • ⚠️Individuals with nut allergies should avoid walnut oil.
  • ⚠️Consult a healthcare provider if on anticoagulant medication due to potential blood-thinning effects.
  • ⚠️Excessive consumption may lead to weight gain due to high caloric density.
  • ⚠️Avoid using walnut oil for high-heat cooking to prevent degradation of nutrients.

Frequently Asked Questions

How many calories does Walnut oil have?

Walnut oil contains approximately 884 calories per 100 grams, primarily from fat. It's important to use it in moderation due to its high caloric density.

Is Walnut oil healthy?

Yes, walnut oil is considered healthy due to its high levels of omega-3 fatty acids, antioxidants, and healthy fats that support heart and brain health.

How should Walnut oil be stored?

Walnut oil should be stored in a cool, dark place away from heat and light to maintain its quality. It can last up to 6 months unopened and about 3 months once opened.

What are the benefits of eating Walnut oil?

Walnut oil provides numerous health benefits, including promoting heart health, reducing inflammation, supporting brain function, and providing antioxidants that help combat oxidative stress.

How much Walnut oil can I eat per day?

A recommended amount is about 1 tablespoon (15g) per day, which can be incorporated into dressings or used as a finishing oil, balanced with other sources of fats in your diet.

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