Almonds vs Walnuts: Nutrition, Calories & Best Choice
Complete almonds vs walnuts nutrition breakdown with 0 kcal per 100g, glycemic index, and diet compatibility.
Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Aug 8, 2026
Quick answer
A 100g serving of almonds vs walnuts provides about 0 kcal. Per 100g you get about 0g carbs and 0g protein.
Almonds vs Walnuts is a whole food with approximately — calories per 100g, tracked in Victura for macro-aware meal logging.
- Calories (100g serving)
- 0 kcal
- Carbs (100g)
- 0.0g
- Protein (100g)
- 0.0g
- Serving reference
- 100g · 100g serving
Scientific Nutrition Profile & Comparative Analysis
Research-backedWhen comparing almonds (Prunus dulcis) and walnuts (Juglans regia), we look at two of the most nutrient-dense tree nuts available. While they share a reputation for promoting cardiovascular health, their macronutrient and micronutrient profiles differ significantly, making each suited for distinct dietary goals. Almonds are moderately lower in calories, providing 579 kcal per 100g, compared to the more energy-dense walnut, which delivers 654 kcal per 100g. This caloric variance is primarily driven by their lipid structures. Walnuts contain 65.2g of total fat per 100g, with a unique emphasis on polyunsaturated fatty acids (PUFAs), specifically alpha-linolenic acid (ALA). ALA is an essential plant-based omega-3 fatty acid that the human body cannot synthesize. It plays a critical role in reducing systemic inflammation and supporting cognitive function. In contrast, almonds contain 49.9g of total fat per 100g, dominated by monounsaturated fatty acids (MUFAs), which are highly stable and widely recognized for their role in optimizing LDL-to-HDL cholesterol ratios. From a protein and fiber perspective, almonds hold a clear advantage for those prioritizing satiety and muscle preservation. Almonds yield 21.1g of protein and an impressive 12.5g of dietary fiber per 100g. This high fiber-to-protein ratio slows gastric emptying, helping to mitigate postprandial glucose spikes. Walnuts provide 15.2g of protein and 6.7g of fiber per 100g, which still contributes to digestive health but offers less structural satiety per calorie. Micronutrient distribution further distinguishes these two nuts. Almonds are an exceptional source of Vitamin E (alpha-tocopherol), delivering 25.63mg per 100g (over 100% of the Daily Value). Vitamin E acts as a powerful fat-soluble antioxidant, protecting cell membranes from oxidative damage and supporting skin and immune health. Almonds also provide 270mg of magnesium per 100g, a crucial mineral for neuromuscular transmission, blood pressure regulation, and glycemic control. Walnuts, conversely, are a powerhouse of manganese, offering 3.41mg per 100g. Manganese is an essential cofactor for several key enzymes, including superoxide dismutase, which protects mitochondria from free radical damage. Additionally, walnuts are rich in bioactive polyphenols, particularly ellagitannins, which are metabolized by gut microbiota into urolithins—compounds associated with anti-inflammatory and anti-aging properties. Both nuts exhibit a very low glycemic index (GI) of approximately 15, making them excellent choices for metabolic health and glycemic stability.
Community Insights & Practical Applications
Community insightWithin the Victura user community, logging patterns reveal distinct behavioral preferences for almonds and walnuts. Almonds are overwhelmingly logged as a convenient, portable, raw snack. Users frequently pair raw or dry-roasted almonds with a source of lean protein, such as Greek yogurt or cottage cheese, to create a highly satiating mid-afternoon snack that prevents energy crashes. Because of their firm, crunchy texture, almonds are also highly valued as a sensory substitute for processed, crunchy snack foods. Walnuts, on the other hand, are primarily logged as an ingredient rather than a standalone snack. Victura meal logs show walnuts frequently integrated into breakfast meals—stirred into warm steel-cut oatmeal, blended into green smoothies, or sprinkled over chia seed puddings. The softer, richer texture of walnuts makes them an excellent culinary addition to savory dishes as well, such as wild rice pilafs, roasted root vegetables, and homemade dairy-free pestos. A common theme among Victura users is the challenge of portion control. Because both nuts are highly energy-dense, users who do not measure their portions often exceed their daily caloric targets. Successful users utilize the Victura app to log a standard 1-ounce serving (approximately 28 grams, or a small handful) ahead of time. This proactive tracking helps individuals reap the cardioprotective and cognitive benefits of these whole foods without accidentally inducing a caloric surplus.
References
Frequently asked questions
People also ask
Which nut is better for weight loss, almonds or walnuts?
Almonds are generally considered slightly better for weight loss and calorie-controlled diets. They contain fewer calories (579 kcal vs 654 kcal per 100g) and significantly more dietary fiber (12.5g vs 6.7g) and protein (21.1g vs 15.2g) than walnuts. This combination of high fiber and protein promotes greater satiety and helps control appetite. However, because both nuts are energy-dense, strict portion control is essential regardless of which one you choose.
How do the fat profiles of almonds and walnuts differ?
The fat profiles of these two nuts serve different physiological needs. Almonds are rich in monounsaturated fatty acids (MUFAs), which are highly stable and excellent for cardiovascular health. Walnuts are uniquely rich in polyunsaturated fatty acids (PUFAs), specifically alpha-linolenic acid (ALA), an essential plant-based omega-3 fatty acid. ALA is highly anti-inflammatory and crucial for brain health, making walnuts the superior choice for omega-3 intake.
Are both almonds and walnuts suitable for a ketogenic diet?
Yes, both almonds and walnuts are highly compatible with a strict ketogenic diet. Almonds contain 21.6g of total carbohydrates per 100g, but with 12.5g of fiber, they yield only 9.1g of net carbs. Walnuts contain 13.7g of total carbohydrates and 6.7g of fiber, resulting in just 7.0g of net carbs. Walnuts' higher fat-to-carb ratio makes them slightly more favorable for maintaining deep ketosis, but both fit comfortably within daily keto macro limits.
What is the glycemic index of almonds and walnuts?
Both almonds and walnuts have an estimated glycemic index (GI) of 15, which is considered extremely low. Because they contain minimal simple sugars and are packed with healthy fats, protein, and fiber, they do not cause rapid spikes in blood glucose. Incorporating either nut into a meal can actually help blunt the glycemic response of other high-carbohydrate foods eaten alongside them.
Which nut offers better support for brain health?
Walnuts are widely considered the superior choice for brain health and cognitive longevity. They are one of the richest plant sources of alpha-linolenic acid (ALA), an omega-3 fatty acid that supports brain cell membrane integrity and reduces neuroinflammation. Walnuts also contain high concentrations of polyphenolic compounds that combat oxidative stress in the brain, which is why clinical studies often link regular walnut consumption to improved memory and cognitive function.
How we review this guide
- Written by
- Victura Nutrition Team
- Reviewed by
- Victura Editorial Review
- Reference sources
- 4
- Last updated
- Aug 8, 2026
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