Duck Breast: Nutrition Facts, Health Benefits, and the Skin-On vs Skin-Off Guide

Duck has a reputation problem in fitness nutrition circles — widely assumed to be a fatty, indulgent meat better suited to French restaurants than meal prep containers. That reputation is only half true, and it depends entirely on one variable most people don’t think to separate: the skin.

Skinless duck breast is a genuinely lean, exceptionally nutrient-dense protein — 28g of protein at just 140 calories and 2.5g of fat, with B12 at 50% of daily value, niacin at 41%, selenium at 39%, and iron at 25%. That’s a nutritional profile that rivals or exceeds chicken breast in several respects. The skin, however, changes the picture completely — duck skin is extraordinarily fat-dense, and a skin-on duck breast portion can contain 3–5 times the fat and double the calories of the same cut prepared skinless. Understanding this distinction is the single most useful thing this page can offer.

Duck Breast Nutrition Facts (per 100g, skinless)

Duck Breast Nutrition Facts (per 170g serving — approximately one skinless breast)

A single skinless duck breast typically weighs 150–180g; using 170g as a practical reference:

A single skinless duck breast provides nearly 48g of complete protein at under 240 calories — exceptional figures by any whole food protein standard.

Vitamins in Duck Breast (per 100g, skinless)

Standout: Duck breast provides one of the strongest B vitamin profiles of any common poultry — B12 at 50% DV, niacin at 41% DV, and B6 at 31% DV per 100g. This trio works together closely: B6 and B12 both regulate homocysteine metabolism alongside folate, while niacin is central to NAD/NADP coenzyme function across over 400 metabolic reactions. Duck’s B12 content in particular is notably higher than chicken breast (which provides only around 4% DV per 100g) — a meaningful distinction for anyone tracking B12 intake from poultry sources specifically.

Minerals in Duck Breast (per 100g, skinless)

Standout: Duck breast’s iron content (25% DV per 100g) is notably high for poultry — dark poultry meat generally contains more iron than white meat, and duck breast (which is dark meat by nature, even though it’s labelled “breast”) reflects this. This is haem iron, absorbed at 25–35% efficiency versus 2–20% for plant-based non-haem iron — making duck breast a genuinely useful iron source for anyone managing iron status, particularly compared to chicken breast’s far lower iron content (around 5% DV per 100g). Selenium at 39% DV and phosphorus at 29% DV round out a genuinely strong mineral profile for a 140-calorie food.

The Skin Question: Why It Changes Everything

This is the single most important practical fact about duck nutrition, and it deserves to be addressed directly and quantitatively.

Why Duck Skin Is So Different From Chicken Skin

All poultry skin adds fat and calories, but duck skin is dramatically more fat-dense than chicken skin. Ducks, as waterfowl, evolved a thick subcutaneous fat layer beneath the skin for insulation and buoyancy — a layer far more substantial than land-dwelling poultry like chicken or turkey carry. This is the entire reason duck breast is cooked skin-on in classical technique, scored and rendered slowly to crisp the skin while melting away much of that fat layer into the pan.

The Nutritional Difference, Quantified

This is not a small difference — it’s roughly a 2.4x increase in calories and an 11x increase in total fat between skin-off and skin-on duck breast. No other common poultry comparison shows a gap this large between the skinless and skin-on version of the same cut (chicken breast skin-on vs skinless is roughly a 25–30% calorie increase by comparison — meaningful, but nowhere near duck’s multiplier).

The practical implication: these two preparations should essentially be thought of as different foods for nutritional planning purposes. “Duck breast” as a category is meaningless for tracking macros or calories without specifying skin status — far more so than with any other poultry on this site.

Why People Still Cook It Skin-On

Despite the calorie difference, skin-on duck breast remains a classic preparation for good reason — the rendered fat bastes the meat during cooking, the crisped skin provides textural contrast, and a significant proportion of the fat does render out into the pan during proper cooking (rather than remaining in the portion you eat) if cooked correctly (see the cooking method section below). This means a well-rendered skin-on duck breast is meaningfully leaner than the raw skin-on numbers suggest — but still significantly higher in fat and calories than skinless duck breast prepared without the skin at all.

Health Benefits of Duck Breast (Skinless)

Exceptional Protein Density

At 28g of protein per 100g and just 140 calories, skinless duck breast offers one of the best protein-to-calorie ratios among red and dark poultry meats — comparable to chicken breast and considerably leaner than most red meat. The protein is complete, containing all 9 essential amino acids including a strong leucine content that supports muscle protein synthesis.

B12 and Niacin for Energy Metabolism and Neurological Health

The 50% DV of B12 and 41% DV of niacin per 100g make duck breast one of the stronger poultry sources of both. B12 is essential for myelin synthesis, red blood cell formation, and homocysteine metabolism — deficiency causes progressive, potentially irreversible neurological damage if left uncorrected. Niacin, via its role in NAD and NADP coenzyme synthesis, is central to energy metabolism across virtually every cell in the body.

Significant Iron for Oxygen Transport

At 25% DV per 100g (43% in a full breast portion), duck breast’s haem iron content is meaningfully higher than chicken breast and approaches levels seen in some red meats. For people managing iron status — particularly premenopausal women, endurance athletes, and anyone with marginal iron intake — duck breast offers a leaner alternative to red meat that still delivers substantial, highly bioavailable iron.

Zinc and Selenium for Immune Function

Zinc (22% DV) and selenium (39% DV) per 100g work together as part of the body’s core antioxidant and immune defense systems — zinc as a cofactor for immune cell production and Cu/Zn superoxide dismutase, selenium for glutathione peroxidase and thyroid hormone activation.

Favorable Fat Profile (Skinless)

The 2.5g of fat per 100g in skinless duck breast is predominantly monounsaturated (1.2g) — the same heart-healthy fat type found in olive oil — with modest saturated fat (0.7g). This is a notably favorable ratio, and combined with the very low total fat content, makes skinless duck breast one of the leaner red/dark poultry options available, despite duck’s overall reputation as a fattier bird.

Duck Breast for Athletes and Active People

High-Protein, Low-Calorie Option for Cutting Phases

Skinless duck breast’s 28g protein at 140 calories puts it in genuinely competitive territory with chicken breast for fat loss phases where protein-per-calorie efficiency matters most.

Iron for Endurance Athletes

Duck breast’s stronger iron content relative to chicken breast makes it a useful rotation option for endurance athletes — particularly those at risk of iron deficiency — who want variety in their lean protein sources without sacrificing iron intake the way an all-chicken-breast diet might.

B12 and B6 for Recovery and Red Blood Cell Production

The combination of high B12 and B6 supports red blood cell formation and homocysteine regulation — both relevant to maintaining the oxygen-carrying capacity that underpins aerobic training capacity and recovery.

A Practical Note on Skin for Bulking Athletes

For athletes in a deliberate caloric surplus aiming to build muscle, skin-on duck breast (cooked with proper rendering technique) is a calorie-dense, genuinely delicious way to add quality calories without resorting to less nutritious surplus sources — the rendered duck fat itself is predominantly monounsaturated and broadly comparable in profile to other animal fats used in cooking, such as that found in pork.

How to Cook Duck Breast for the Best Nutritional Outcome

Score the skin (skin-on preparation): Scoring the fat layer in a crosshatch pattern (without cutting into the meat) before cooking allows fat to render out more effectively during cooking — directly reducing the final fat content of the portion you eat compared to unscored skin.

Start skin-side down in a cold or barely warm pan: This is the classical French technique — starting duck breast skin-side down in a cold pan and slowly bringing up the heat renders the maximum amount of subcutaneous fat into the pan before the meat itself overcooks, producing crisp skin and a leaner final product than high-heat searing.

Pour off rendered fat during cooking: Periodically draining the rendered fat from the pan (rather than letting the breast sit and reabsorb it) further reduces the final fat content of the dish.

Remove the skin entirely for the leanest option: For the nutritional profile described at the top of this page, simply remove the skin before or after cooking — the meat itself, regardless of cooking method, retains the lean 140 kcal/2.5g fat profile.

Don’t overcook it: Duck breast is traditionally served medium-rare to medium (unlike chicken, which must be cooked through) — this isn’t just a flavor preference but also helps preserve moisture in a cut with minimal fat to keep it from drying out once the skin and its fat are removed or reduced.

Duck Breast vs. Other Poultry and Lean Meats

Skinless duck breast stands out clearly in this comparison — its protein-to-calorie ratio is essentially equivalent to chicken breast, while its iron and B12 content sit much closer to red meat territory. It occupies a genuinely useful nutritional middle ground: the leanness of poultry with several of the micronutrient strengths more typically associated with red meat.

Practical Ways to Include Duck Breast in Your Diet

Pan-seared, skin removed after cooking — cook skin-on using the scored, cold-pan technique for flavor and texture, then remove the skin before eating if calorie control matters for that meal. You get the cooking benefits of the fat layer (basting, flavor) without consuming all the rendered and residual fat.

Skinless, grilled or pan-seared — treat it like a lean steak. A simple sear in a small amount of oil, rested and sliced, makes an excellent high-protein centrepiece for a meal alongside rice or vegetables.

Duck breast salad — sliced cooked duck breast (skin removed) over leafy greens with orange segments, a light vinaigrette, and toasted nuts — a classic combination that balances the meat’s richness with acidity and freshness.

Stir-fried — thin strips of skinless duck breast stir-fried with vegetables and a light sauce cook quickly and absorb flavor well, making for a practical weeknight high-protein meal.

As a leaner alternative to red meat in regular rotation — for anyone eating red meat primarily for iron and B12, skinless duck breast is a useful rotation option that delivers much of that micronutrient profile at a meaningfully lower fat and saturated fat cost.

Potential Considerations

Skin-on duck is genuinely calorie- and fat-dense — as detailed above, treat skin-on and skinless duck breast as effectively different foods nutritionally. If tracking intake closely, always specify which you’re logging.

Cholesterol content — at 83mg per 100g, duck breast’s cholesterol is comparable to chicken breast and most poultry; not a specific outlier requiring extra caution beyond standard dietary cholesterol guidance for the individual.

Sourcing and cost — duck is generally more expensive and less widely available than chicken or turkey, which may limit how practical it is as a regular dietary staple compared to an occasional rotation option.

Doneness preference — duck breast served pink (medium-rare to medium) is standard practice from reputable sources, but anyone with specific food safety concerns or a compromised immune system should follow recommended safe internal temperature guidance for poultry in their region.