💎 Key Nutrients
What Is Chicken, Heart? Origin and Varieties
Chicken hearts are the muscular organ that pumps blood through a chicken’s circulatory system. Unlike muscle cuts such as breast or thigh, the heart is an organ meat (offal) consumed in many traditional cuisines around the world — from yakitori skewers in Japan to Brazilian churrasco, where hearts are grilled over open flame. Poultry hearts are typically small, firm, and have a rich, meaty flavor with a slightly metallic tang reflecting their high iron content. Historically, organ meats were prized for their nutrient density and economical value; they were staples in many cultures that utilized the entire animal post‑slaughter. Biologically, the heart is composed largely of cardiac muscle, which is rich in mitochondria to meet continuous energy needs. As a result, chicken hearts contain high protein levels and a unique amino acid profile supporting metabolic demands. While the heart’s size and composition can vary with breed and age, commercially sold chicken hearts are usually sourced from broilers — chickens bred primarily for meat production. These hearts are cleaned, trimmed of connective tissue, and often simmered, braised, grilled, or sautéed in various culinary traditions. In grocery stores and butcher shops, chicken hearts may be packaged alongside other organ meats such as liver and gizzards. They are valued not only for their taste but also for their nutrient density — offering concentrated amounts of iron, B‑vitamins (especially B12 and riboflavin), zinc, and essential amino acids. From a culinary perspective, hearts add depth of flavor and texture to stews, pâtés, or skewered dishes. Culturally, they continue to be featured in festive and everyday meals across South America, Asia, Europe, and parts of Africa, indicating their versatility and enduring culinary appeal.
Nutrition Profile: A Detailed Breakdown
Chicken hearts are a striking example of nutrient density — meaning they deliver a large amount of nutrients relative to calories. For 1 cup of cooked, chopped hearts (~145g), they contain ~268 kcal, dominated by protein (~38.3g) and fat (~11.5g) with virtually no carbohydrates. This macronutrient profile makes them particularly appealing in low‑carb, keto, and high‑protein diets. At the micronutrient level, chicken hearts stand out in several categories. Iron (~13.1mg per cup) is exceptionally high compared to many muscle meats and supports red blood cell production and oxygen transport. The iron in chicken hearts is heme iron — the form most effectively absorbed by the human body. Similarly, vitamin B12 (~11µg) far exceeds daily needs, playing a critical role in neurological function, DNA synthesis, and red blood cell formation. Other B‑vitamins like riboflavin and pantothenic acid support energy metabolism and cellular repair. Minerals like zinc (~10mg) and phosphorus (~289mg) contribute to immune function, bone health, and energy production pathways. Potassium (~191mg) helps maintain electrolyte balance and supports nerve and muscle function. Lower‑profile micronutrients such as magnesium, copper, and selenium further enhance antioxidant defenses and metabolic reactions. Comparatively, chicken hearts offer higher concentrations of many micronutrients per calorie than typical poultry muscle meats like breast or thigh, making them an efficient choice for nutrient‑rich eating patterns. Their fat profile includes a mix of saturated and unsaturated fats, with ~3.3g saturated fat per cup — modest relative to many red meats but still something to moderate for individuals watching blood lipids. Overall, this organ meat aligns with an array of dietary strategies focused on micronutrient sufficiency and lean protein intake.
Evidence-Based Health Benefits
While specific clinical trials on chicken hearts alone are limited, the broader research on organ meats and nutrient‑rich animal proteins helps contextualize potential health benefits. 1. Supports Muscle Maintenance and Growth – High‑quality protein is essential for preserving lean muscle mass. With ~38g of protein per cooked cup, chicken hearts supply all essential amino acids needed for muscle repair and synthesis, especially important for athletes and older adults aiming to prevent age‑related muscle loss. 2. Boosts Iron Status – Iron deficiency remains one of the most common nutrient shortfalls globally. Heme iron from animal foods is more readily absorbed than non‑heme iron from plants. Including iron‑rich sources like chicken hearts can help mitigate iron deficiency anemia, particularly in populations at risk (e.g., menstruating individuals, pregnant women, and endurance athletes). 3. Enhances Energy and Cognitive Health via B‑Vitamins – Vitamin B12 and other B‑vitamins are crucial for energy metabolism and neurological health. Deficiencies in B12 can lead to fatigue, cognitive changes, and neurological symptoms. Chicken hearts provide B12 at levels many times above daily requirements per serving, supporting sustained metabolic function. 4. Immune Function Support – Zinc and selenium — both abundant in chicken hearts — are vital for immune responses, wound healing, and antioxidant defenses. Zinc, for example, plays a key role in T‑cell function, while selenium is important for thyroid hormone metabolism. 5. Cardiovascular Health Considerations – While organ meats are rich in cholesterol, recent dietary science emphasizes that dietary cholesterol does not universally raise blood cholesterol levels for all individuals; rather, saturated fat and overall dietary patterns have stronger influences. Still, moderation is advisable for those with existing hyperlipidemia or cardiovascular risk factors. Including chicken hearts as part of a balanced diet with vegetables, whole grains, and healthy fats aligns with general heart‑healthy eating patterns.
Potential Risks and Who Should Be Careful
Despite many nutritional benefits, chicken hearts — like other organ meats — come with considerations for certain audiences. High Cholesterol Content: Chicken hearts contain high levels of dietary cholesterol (~351mg per cup). While dietary cholesterol affects individuals differently, people with familial hypercholesterolemia or significant cardiovascular disease risk may be advised to limit high‑cholesterol foods. Consulting a clinician or dietitian for individualized guidance is prudent. Purines and Gout Risk: Organ meats are rich in purines, compounds that break down into uric acid. In people with gout or hyperuricemia, high‑purine foods can trigger flare‑ups. Moderation and monitoring of symptoms are recommended for these individuals. Potential NAFLD Associations: A study has suggested a possible link between high organ meat consumption and nonalcoholic fatty liver disease (NAFLD), although evidence is preliminary and requires further research. People with liver disease or metabolic syndrome should discuss dietary choices with a healthcare provider. Foodborne Illness Risk: As with all poultry, improper handling and cooking can lead to contamination with pathogens like Salmonella. Ensuring poultry hearts reach a safe internal temperature (165°F for poultry) and following safe food handling practices are essential for prevention of foodborne illness.
How to Select, Store, and Prepare Chicken Hearts
Selecting: Choose hearts that are firm, moist, and deep reddish in color without unpleasant odors. Avoid hearts that appear slimy, discolored, or excessively dry. Buying from reputable sources — ideally pasture‑raised or humanely raised poultry — can offer better quality. Storing: Raw chicken hearts should be stored at 40°F (4°C) or below and used within 1–2 days in the refrigerator. If freezing, wrap in airtight packaging and label with date; frozen poultry products maintain quality for 3–4 months or longer if continuously frozen at 0°F (-18°C) or below. Cooked hearts will last 3–4 days in the refrigerator. Always discard if meat has been at temperatures above 40°F for more than four hours. Preparing: Trim excess fat and connective tissue. Hearts cook quickly due to their small size. They can be sautéed, grilled on skewers, braised, or simmered in stews. For best safety and texture, cook to an internal temperature of 165°F (74°C). Marinating with herbs, citrus, or vinegar before cooking can enhance flavor and tenderize tissues.
Best Ways to Eat Chicken Hearts
Quick Sauté: Toss cleaned hearts with olive oil, garlic, and herbs; sauté over medium‑high heat for 5–7 minutes until cooked through but still tender. Grilled Skewers (Yakitori Style): Thread hearts onto skewers with onions, brush with a soy‑based glaze, and grill for a smoky, caramelized finish. Braised in Stew: Add hearts to slow‑cooked vegetable or grain stews to introduce rich flavor and extra nutrition. Nutrient‑Dense Bowls: Combine cooked chicken hearts with leafy greens, quinoa, roasted vegetables, and a tangy vinaigrette for a balanced bowl meal rich in protein, iron, and micronutrients. When pairings prioritize veggies and whole grains, nutrient absorption — especially of minerals like iron — may be improved. Acidic ingredients like lemon juice or vinegar can enhance iron absorption, while antioxidants from colorful vegetables complement the rich nutrient profile.
Nutrient Absorption: What Helps and Hinders
Certain nutrients in chicken hearts — particularly heme iron and B‑vitamins — are well absorbed due to their animal source. Pairing them with vitamin C‑rich foods (like bell peppers, citrus, or tomatoes) can further enhance iron absorption. Conversely, compounds like phytates in legumes and grains can hinder iron absorption if consumed in large amounts concurrently. Fat‑soluble vitamins (A, D, E, K) present in organ meats may be better absorbed when consumed with some dietary fat, which is naturally present in chicken hearts. However, excessive intake of saturated fats should be balanced with unsaturated fats from plant oils, nuts, and seeds to support heart health.
Chicken Heart for Specific Diets
Keto & Low‑Carb: With negligible carbohydrates and high protein and fat, chicken hearts are keto‑compatible and excellent for low‑carb regimens. Paleo & Whole30: Organ meats are staples in paleo and Whole30 eating patterns due to minimal processing and nutrient density. Diabetic Friendly: Low carbohydrate content makes chicken hearts a suitable choice for many people managing blood sugar when balanced with fiber‑rich vegetables. Vegetarian/Vegan: Not compatible, as this is animal‑derived protein. Heart‑Healthy: Moderation and balance with heart‑healthy fats and fiber‑rich plant foods are key for cardiovascular diets.
❤️ Health Benefits
Supports Muscle Maintenance
Provides complete high‑quality protein with all essential amino acids for repair and growth
Evidence: strongBoosts Iron Status
Heme iron from organ meat is highly bioavailable, aiding red blood cell production
Evidence: strongEnhances B‑Vitamin Intake
Concentrated B vitamins support energy metabolism and nervous system function
Evidence: strongSupports Immune Function
Minerals like zinc and selenium contribute to immune responses and antioxidant defenses
Evidence: moderate⚖️ Comparisons
Vs. Chicken breast
Chicken hearts provide more iron, B12, and zinc per calorie than lean chicken breast, though breast has lower cholesterol
Vs. Beef heart
Beef heart may contain more CoQ10 and certain fats, while chicken hearts are leaner with slightly higher B12 per calorie
🧊 Storage Guide
❄️
Fridge
1–2 days raw; 3–4 days cooked
🧊
Freezer
3–4 months
⚠️ Signs of
Spoilage:
- smell: sour or foul odor
- visual: discoloration, slimy surface
- texture: sticky or overly mushy
- when to discard: off smell, visible mold, slime
👥 Special Considerations
elderly
Why: Helps counter age‑related nutrient deficiencies
Recommendation: Good protein and micronutrient source
athletes
Why: Supports muscle repair and performance
Recommendation: Excellent protein source
children
Why: Rich nutrients support growth but balance with variety
Recommendation: Offer small portions
pregnancy
Why: High nutrient density beneficial but monitor cholesterol and vitamin A intake
Recommendation: Consume in moderation
breastfeeding
Why: Supports increased nutrient needs
Recommendation: Include as part of balanced diet
🔬 Detailed Nutrition Profile (USDA)
Common Portions
1.00 unit (yield from 1 lb ready-to-cook chicken)
(1.00g)
1.00 cup, chopped or diced
(145.00g)
1.00 unit (yield from 1 lb ready-to-cook chicken)
(1.00g)
1.00 cup, chopped or diced
(145.00g)
| Nutrient | Amount | Unit |
|---|---|---|
| Water | 64.8500 | g |
| Energy | 185.0000 | kcal |
| Energy | 774.0000 | kJ |
| Protein | 26.4100 | g |
| Total lipid (fat) | 7.9200 | g |
| Ash | 0.7200 | g |
| Carbohydrate, by difference | 0.1000 | g |
| Fiber, total dietary | 0.0000 | g |
| Calcium, Ca | 19.0000 | mg |
| Iron, Fe | 9.0300 | mg |
| Magnesium, Mg | 20.0000 | mg |
| Phosphorus, P | 199.0000 | mg |
| Potassium, K | 132.0000 | mg |
| Sodium, Na | 48.0000 | mg |
| Zinc, Zn | 7.3000 | mg |
| Copper, Cu | 0.5020 | mg |
| Manganese, Mn | 0.1070 | mg |
| Selenium, Se | 8.0000 | µg |
| Vitamin C, total ascorbic acid | 1.8000 | mg |
| Thiamin | 0.0700 | mg |
| Riboflavin | 0.7410 | mg |
| Niacin | 2.8030 | mg |
| Pantothenic acid | 2.6540 | mg |
| Vitamin B-6 | 0.3200 | mg |
| Folate, total | 80.0000 | µg |
| Folic acid | 0.0000 | µg |
| Folate, food | 80.0000 | µg |
| Folate, DFE | 80.0000 | µg |
| Vitamin B-12 | 7.2900 | µg |
| Vitamin A, RAE | 8.0000 | µg |
| Retinol | 8.0000 | µg |
| Vitamin A, IU | 28.0000 | IU |
| Fatty acids, total saturated | 2.2600 | g |
| SFA 10:0 | 0.0000 | g |
| SFA 12:0 | 0.0000 | g |
| SFA 14:0 | 0.0500 | g |
| SFA 16:0 | 1.2300 | g |
| SFA 18:0 | 0.6600 | g |
| Fatty acids, total monounsaturated | 2.0100 | g |
| MUFA 16:1 | 0.3300 | g |
| MUFA 18:1 | 1.6800 | g |
| MUFA 20:1 | 0.0000 | g |
| MUFA 22:1 | 0.0000 | g |
| Fatty acids, total polyunsaturated | 2.3000 | g |
| PUFA 18:2 | 1.6200 | g |
| PUFA 18:3 | 0.0600 | g |
| PUFA 20:4 | 0.6100 | g |
| PUFA 20:5 n-3 (EPA) | 0.0000 | g |
| PUFA 22:5 n-3 (DPA) | 0.0000 | g |
| PUFA 22:6 n-3 (DHA) | 0.0000 | g |
| Cholesterol | 242.0000 | mg |
| Tryptophan | 0.3380 | g |
| Threonine | 1.1960 | g |
| Isoleucine | 1.4150 | g |
| Leucine | 2.3030 | g |
| Lysine | 2.2140 | g |
| Methionine | 0.6380 | g |
| Cystine | 0.3590 | g |
| Phenylalanine | 1.1830 | g |
| Tyrosine | 0.9460 | g |
| Valine | 1.4960 | g |
| Arginine | 1.6940 | g |
| Histidine | 0.6930 | g |
| Alanine | 1.6650 | g |
| Aspartic acid | 2.5690 | g |
| Glutamic acid | 3.9210 | g |
| Glycine | 1.4660 | g |
| Proline | 1.3480 | g |
| Serine | 1.0650 | g |
Source: USDA FoodData Central (FDC ID: 171059)
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