Sunflower Seeds Calories & Nutrition Facts
Highest vitamin E source among seeds, potent antioxidant supporting skin and immune health.
Quick answer
How many calories are in Sunflower Seeds?
Sunflower Seeds has 584 calories per 100g. A 1 tbsp kernels (9g) has about 53 calories. It is a calorie-dense food, with most calories coming from fat.
Source review
Sunflower Seeds Source Review: 1 Ounce Calories, Vitamin E, and Salted Snack Labels
Reviewed May 21, 2026. This page answers sunflower seed nutrition searches with realistic tablespoon, ounce, and quarter-cup kernel portions.
- Calorique lists sunflower seeds at 584 calories, 21g protein, 51g fat, and 8.6g fiber per 100g.
- The practical snack serving is usually 1 ounce or less, not 100g, because shelled kernels are very calorie-dense.
- Salted and flavored sunflower seeds can change sodium sharply, while in-shell portions change edible gram weight and eating speed.
- Sunflower seed butter, raw kernels, roasted kernels, and oil-roasted products should be checked separately when tracking calories.
Practical Portion Guide for Sunflower Seeds
| Portion | Calories | Protein | Carbs | Net carbs | Fat |
|---|---|---|---|---|---|
| 1 tbsp kernels (9g) | 53 kcal | 1.9g | 1.8g | 1.0g | 4.6g |
| 1 oz kernels (28g) | 164 kcal | 5.9g | 5.6g | 3.2g | 14.3g |
| 1/4 cup kernels (35g) | 204 kcal | 7.3g | 7.0g | 4.0g | 17.8g |
| 100g reference | 584 kcal | 21.0g | 20.0g | 11.4g | 51.0g |
A small handful can be calorie-dense. In-shell seeds slow eating, but shelled kernels are easy to over-pour into salads, yogurt, trail mix, and baked goods.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
Glycemic Index: 35 (Low)
How Sunflower Seeds Fits Into a Diet
Sunflower seed kernels are best used as a measured topping or snack when you want vitamin E, selenium, magnesium, plant fat, and crunch.
Pair sunflower seeds with fruit, Greek yogurt, oatmeal, salads, roasted vegetables, soups, or lean protein so the seed portion adds texture without becoming the whole meal.
Raw, roasted, salted, unsalted, oil-roasted, honey-roasted, seed butter, and in-shell products differ in sodium, oil, sugar, and edible gram weight.
Plan Around Sunflower Seeds
Healthy Snacks for Weight Loss
Plan snack portions when foods like Sunflower Seeds are easy to over-pour.
Empty Calories Guide
Separate filling snacks from calorie-dense extras that do not keep you full.
Keto Diet Guide
Check how low-carb foods like Sunflower Seeds fit within a ketogenic day.
Calorie Calculator
Calculate your daily intake target before choosing serving sizes.
Compare Sunflower Seeds With Similar Nuts & Seeds
Use this comparison when choosing a serving. Calories alone do not tell the full story: protein, fiber, fat, sodium, and realistic portion size determine whether a food fits your plan.
| Food | Calories | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| Sunflower Seeds | 584 kcal | 21g | 20g | 51g | 8.6g |
| Almonds | 579 kcal | 21g | 22g | 50g | 12.5g |
| Walnuts | 654 kcal | 15g | 14g | 65g | 6.7g |
| Peanuts | 567 kcal | 26g | 16g | 49g | 8.5g |
| Chia Seeds | 486 kcal | 17g | 42g | 31g | 34g |
| Flaxseeds | 534 kcal | 18g | 29g | 42g | 27g |
All comparison values use each food's 100-unit reference so foods can be compared on the same basis.
Vitamins & Minerals
Vitamins
Minerals
Complete Nutrition Facts (per 100g)
Methodology & Nutrition Data Sources
How we calculate nutrition data for Sunflower Seeds: Our calorie and macronutrient data integrates multiple authoritative federal nutrition databases. Values shown reflect standard serving sizes unless specified, based on USDA laboratory analysis of raw and prepared food samples.
- Calorie and macronutrient data sourced from the USDA FoodData Central — the comprehensive federal nutrition database covering 1M+ food items with full nutrient profiles.
- Daily Value percentages (% DV) based on FDA Daily Value reference amounts for a 2,000 calorie diet, as established under 21 CFR 101.9.
- Dietary reference intakes (DRI) for vitamins and minerals from the NIH Dietary Reference Intake tables — the gold standard for nutrient adequacy assessment.
- Glycemic index values cross-referenced with Harvard Health Glycemic Index Reference and University of Sydney GI database.
- Dietary guidelines context from the HHS/USDA Dietary Guidelines for Americans 2020–2025 — the federal evidence-based nutrition guidance.
Authoritative nutrition data sources:
- USDA FoodData Central — comprehensive food composition database
- FDA Nutrition Facts Label rules — % Daily Value methodology
- NIH Office of Dietary Supplements — vitamin and mineral research
- CDC Nutrition — Public Health Guidance — chronic disease and diet
- HHS/USDA Dietary Guidelines 2020–2025 — federal nutrition recommendations
- Harvard T.H. Chan School of Public Health — The Nutrition Source — evidence-based dietary guidance
Nutrition Disclaimer: Calorie and nutrient values are based on standard USDA reference data and may vary by brand, preparation method, ripeness, and cooking technique. These values are for informational purposes only and should not replace personalized dietary advice from a registered dietitian. Individuals with medical conditions should consult a healthcare provider before making significant dietary changes.
Reviewed by Brazora Monk · Last updated May 17, 2026 · USDA FoodData Central & FDA Nutrition data current as of latest release
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Frequently Asked Questions
How many calories are in Sunflower Seeds?
Sunflower Seeds contains 584 calories per 100g serving. This includes 84 calories from protein, 80 calories from carbohydrates, and 459 calories from fat.
Is Sunflower Seeds good for weight loss?
Sunflower Seeds is calorie-dense at 584 per 100g. For weight loss, use it in smaller portions and balance with lower-calorie, high-fiber foods to manage total intake.
How much protein is in Sunflower Seeds?
Sunflower Seeds contains 21g of protein per 100g. This makes it an excellent high-protein food, ideal for muscle building and recovery.
What serving size should I track for Sunflower Seeds?
Track Sunflower Seeds by grams when precision matters. A practical starting point is 1 tbsp kernels (9g), which is about 53 calories. For packaged, restaurant, fried, sauced, or sweetened versions, use the product label because brand formulas can differ from the plain reference.
Is Sunflower Seeds keto-friendly?
Yes, Sunflower Seeds is keto-friendly with only 20g of carbohydrates per 100g. It fits well within the typical keto macro limits of 20-50g net carbs per day.
Is Sunflower Seeds good for diabetics?
Sunflower Seeds is generally suitable for people with diabetes with a glycemic index of 35. Its carbohydrate content and fiber help support stable blood sugar levels. Always consult your healthcare provider for personalized advice.
What vitamins and minerals are in Sunflower Seeds?
Sunflower Seeds is a good source of vitamins E, B1, B6, Folate, B3 and minerals including Selenium, Manganese, Copper, Magnesium, Phosphorus. These nutrients support various bodily functions from energy metabolism to immune health.
Where does Calorique get nutrition data for Sunflower Seeds?
Calorique standardizes Sunflower Seeds nutrition values per 100g using USDA FoodData Central reference fields where available, then scales the data into realistic serving sizes. FDA Nutrition Facts methodology and authoritative nutrition references are used for context. This page was last reviewed May 17, 2026.
Related Calculators
Almonds
579 cal · 21g protein per 100g
Walnuts
654 cal · 15g protein per 100g
Peanuts
567 cal · 26g protein per 100g
Chia Seeds
486 cal · 17g protein per 100g
Flaxseeds
534 cal · 18g protein per 100g
Cashews
553 cal · 18g protein per 100g
Pumpkin Seeds
559 cal · 30g protein per 100g
Sesame Seeds
573 cal · 18g protein per 100g