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Rich in iron and B12, high-protein organ meat
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (medium) of Raw heart (150 g) has 168 calories. That works out to 112 calories per 100 g. It contains 0 g of carbs, 26.6 g of protein, 6.1 g of fat and 0 g of fiber. Its 11.4 µg of B12 covers 475% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Selected: 1 piece (medium) · 150 g
168
KCAL / 150G
Carbs
0g
· 0% DV
Protein
26.6g
· 53% DV
Fat
6.1g
· 8% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 0% · Protein 66% · Fat 34%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 168 kcal | |
| Total fat | 6.1 g | 8% |
| Saturated fat | 1.8 g | 9% |
| Trans fat | 0 g | |
| Sodium | 108 mg | 5% |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 26.6 g | 53% |
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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| Serving | Amount | Calories |
|---|---|---|
| 1 piece (medium) | 150 g | 168 kcal |
| 1 g | 1 g | 1 kcal |
| 1 slice (thin) | 40 g | 45 kcal |
| 1 slice (thick) | 70 g | 78 kcal |
| 100 g | 100 g | 112 kcal |
| 1 piece (small) | 100 g | 112 kcal |
| 1 serving (small) | 120 g | 134 kcal |
| 1 serving (large) | 200 g | 224 kcal |
| 1 piece (large) | 250 g | 280 kcal |
Calculated from 112 calories per 100 g.
It is not considered safe to eat raw heart. Like other raw organ meat, it can carry harmful bacteria or parasites, so cook it thoroughly before eating rather than relying on its freshness or appearance.
Trim away the tough membranes and large vessels, then slice or cube the raw heart for a quick sauté, stew, or grill. Cook it all the way through; browning only the outside does not reliably make it safe.
Heart has a rich, mildly metallic flavor and a firm, lean texture when cooked. It is usually less strongly flavored than liver and works well sliced thinly with onions, garlic, or bold spices.
Keep raw heart sealed in the coldest part of the refrigerator and use it promptly. Store it below ready-to-eat foods so juices cannot drip onto them, and discard it if it has been kept warm or shows signs of spoilage.
Yes, raw heart can be frozen. Wrap it tightly or seal it in a freezer-safe bag, then thaw it in the refrigerator rather than on the counter; freezing does not reliably destroy harmful bacteria.
Use a clean knife to remove the outer membrane, large vessels, and any visible clots. Do not rinse raw heart under the tap, because splashing can spread bacteria; wash your hands and clean the board and knife afterward.
A sour or rotten smell, a slimy surface, or an unusual discoloration can signal spoiled raw heart. Harmful bacteria may not change its smell or appearance, so discard it if its storage history is unsafe rather than tasting it.
Beef heart is generally larger and firmer, while lamb heart is smaller and may have a more pronounced flavor. Both need their tough vessels and membranes trimmed, and both can be sliced for sautéing or grilling.
Yes, you can cut raw heart into evenly sized pieces and grill them on skewers. Trim off tough connective tissue first, and cook the pieces all the way through instead of serving them browned only on the outside.
No, eating heart raw is not necessary to get its iron and vitamin B12. It is a nutrient-rich organ meat when cooked, while eating it raw adds food-safety risks without a proven nutritional advantage.
Vitamins
B12
11.4µg · 475% DV
B2
0.57mg · 44% DV
B3
6.9mg · 43% DV
B6
0.68mg · 40% DV
Minerals
Selenium
29µg · 53% DV
Phosphorus
315mg · 45% DV
Copper
0.38mg · 42% DV
Iron
6.3mg · 35% DV
Potassium ⭐
435mg · 13% DV
Sodium
108mg · 5% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 168 calories in 1 piece (medium) (150 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Raw heart is the heart muscle of an animal, served without cooking; the species can vary, and the name alone does not specify one. In places where heart is eaten, it is more commonly grilled, pan-seared or stewed than served raw. Its texture is dense and muscular, with a pronounced, slightly iron-like flavour. If you encounter it raw, it may be thinly sliced and served simply, but raw meat can carry harmful microbes, so cooking it thoroughly is the safer choice. Heart is a protein-rich organ meat that also supplies iron and vitamin B12; 100 g provides 17.7 g of protein. For a familiar serving, grill it and pair with onions, herbs and a fresh salad.
Very high
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Medium
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.
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.
No known major allergens
Vegan
— Not suitable
Vegetarian
— Not suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
1.8g
MONOUNSATURATED
2.4g
POLYUNSATURATED
0.45g
Omega 6:3 ratio 1.5:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.