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A scattered pile of empty, narrow oval sunflower seed shells, each pointed at both ends and marked with lengthwise cream-white and dark gray-black stripes, with a dry, slightly ridged surface.
●Low GI
★Natural
🌿High Fiber

Sunflower seed shells Calories

Detailed nutrition analysis with calories, glycemic index, vitamins and minerals.

CALORIES · 100 G

250kcal

GI

0low

POTASSIUM · 100 G

200mg

FIBER · 100 G

38g

Quick answer

1 piece (medium) of Sunflower seed shells (2 g) has 5 calories. That works out to 250 calories per 100 g. It contains 0.2 g of carbs, 0.1 g of protein, 0.4 g of fat and 0.8 g of fiber. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Sunflower seed shells Nutrition Facts

Selected: 1 piece (medium) · 2 g

5

KCAL / 2G

Carbs

0.2g

· 0% DV

Protein

0.1g

· 0% DV

Fat

0.4g

· 1% DV

Fiber

0.8g

· 3% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 17% · Protein 8% · Fat 75%

Sunflower seed shells nutrition facts table · 1 piece (medium) (2 g)

NutrientAmount% DV
Calories5 kcal
Total fat0.4 g1%
Saturated fat0.04 g0%
Trans fat0 g
Sodium0.04 mg0%
Total carbohydrate0.2 g0%
Fiber0.8 g3%
Protein0.1 g0%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Medium Sunflower seed shells?

ServingAmountCalories
1 piece (medium)2 g5 kcal
1 piece (small)1 g3 kcal
1 piece (large)3 g8 kcal
1 tablespoon (medium)8 g20 kcal
1 serving (medium)15 g38 kcal
10 piece (medium)20 g50 kcal
1 cup (medium)70 g175 kcal
100 g100 g250 kcal

Calculated from 250 calories per 100 g.

Frequently Asked Questions About Sunflower seed shells

Can you eat sunflower seed shells?

Sunflower seed shells are not usually eaten; people crack the shell and eat the kernel. The shells are tough and difficult to digest, so swallowing them on purpose can irritate your digestive tract.

What happens if you swallow sunflower seed shells?

Swallowing one small sunflower seed shell by accident will usually cause no problem and pass through your digestive system. Eating a large amount can cause irritation or, rarely, a blockage; seek urgent care for severe pain or vomiting.

Are sunflower seed shells digestible?

Sunflower seed shells are poorly digestible because they are tough and rich in insoluble fiber. Your body does not break them down like the kernel, which is why the usual way to eat sunflower seeds is to spit out the shells.

Can sunflower seed shells cause a bowel blockage?

Yes, eating a large amount of sunflower seed shells can rarely cause a blockage, especially when shells accumulate in the digestive tract. Avoid swallowing them, and get urgent medical help for severe abdominal pain, vomiting, or inability to pass stool.

Can sunflower seed shells get stuck in your throat?

Yes, a sunflower seed shell can scratch or lodge in your throat. If it makes breathing or swallowing difficult, get emergency help; do not reach blindly into your throat, as that can push the shell deeper.

How do you remove sunflower seed shells before eating the kernels?

Crack each sunflower seed shell gently between your front teeth, separate the kernel with your tongue, and spit out the shell. Avoid biting down hard, since repeatedly cracking shells with your teeth can damage enamel.

Do sunflower seed shells cause appendicitis?

There is no good evidence that sunflower seed shells directly cause appendicitis. Swallowing many shells can still irritate the digestive tract or rarely cause a blockage, so spit them out rather than eating them.

Can sunflower seed shells go in compost?

Yes, sunflower seed shells can be composted, but their tough structure makes them break down slowly. Crush them first and mix them with other compost materials; avoid adding lots of salted shells to a garden compost pile.

Can dogs eat sunflower seed shells?

No, dogs should not eat sunflower seed shells. The shells are hard to digest and can irritate the gut or create a blockage, while salted or seasoned shells add further risks; offer only plain, shelled kernels if appropriate.

Can sunflower seed shells be used as garden mulch?

Yes, sunflower seed shells can be used as a light mulch, but they decompose slowly and may blow away. Use a thin layer, keep shells away from plant stems, and avoid shells that are heavily salted.

Sunflower seed shells Vitamins & Minerals

Vitamins

B1

0mg · 0% DV

Vitamin E

0.01mg · 0% DV

B6

0mg · 0% DV

B3

0mg · 0% DV

Minerals

Manganese

0.03mg · 1% DV

Magnesium

3.6mg · 1% DV

Copper

0.01mg · 1% DV

Iron

0.05mg · 0% DV

Potassium ⭐

4mg · 0% DV

Sodium

0.04mg · 0% DV

Sunflower seed shells Glycemic Index

GLYCEMIC INDEX

0
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Sunflower seed shells

To burn the 5 calories in 1 piece (medium) (2 g):

🚶

1min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Sunflower seed shells?

Sunflower seed shells are the tough outer coverings of sunflower seeds. The kernel inside is eaten, while the shell is usually cracked open and discarded. In many places, including across the English-speaking world, roasted seeds are a casual snack at games, on walks or at home; eating them often means spitting out the shells as you go.

The shells are hard and fibrous, so they are not generally eaten as food or treated as a useful source of dietary fibre. If you enjoy sunflower seeds but want an easier snack, choose shelled kernels; unsalted or lightly salted ones also make a simple addition to salads, porridge or trail mix.

How Nutritious Is Sunflower seed shells?

Nutrient density

Medium

40/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

53/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Sunflower seed shells Processed?

NOVA 1

Unprocessed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Sunflower seed shells Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Sunflower seed shells Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Sunflower seed shells Fat Profile

SATURATED

0.04g

MONOUNSATURATED

0.1g

POLYUNSATURATED

0.18g

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Nutrition data compiled from USDA FoodData Central and scientific sources.