Duck and chicken are both nutritious poultry options, but they differ in meaningful ways. Skinless duck breast contains about 119 calories and 2 grams of fat per 3-ounce serving, putting it surprisingly close to chicken breast in leanness. The real differences show up in micronutrients, where duck pulls ahead in iron and B vitamins, and in how the two birds are typically prepared and eaten.
Protein and Calories Side by Side
Chicken breast edges out duck breast in raw protein content: roughly 22% protein versus 20% for duck. In practical terms, a cooked serving of skinless chicken breast delivers about 31 grams of protein, while a comparable serving of skinless duck comes in around 21 to 26 grams depending on the cut. If your primary goal is maximizing protein per calorie, chicken breast wins.
Calorie-wise, though, the gap narrows when you compare similar preparations. A 3-ounce roasted skinless duck breast has just 119 calories and 2 grams of fat. That’s lean enough to fit comfortably into most eating plans. The reputation duck has as a fatty, indulgent meat comes almost entirely from the skin and the way it’s cooked, not from the meat itself.
The Skin Changes Everything
Duck skin is thick and carries a generous layer of fat beneath it. When you eat duck with the skin on, the calorie and fat content jumps dramatically compared to skinless. Chicken skin adds fat too, but the effect is less pronounced because the skin and fat layer are thinner.
How you cook duck matters as much as whether you eat the skin. A duck breast that’s been pan-seared for 13 minutes and then roasted will have noticeably less fat than one seared briefly, because the longer cooking time renders more fat out of the skin. Many traditional duck recipes take advantage of this: scoring the skin and cooking it slowly so the fat melts away, leaving the skin crispy without all the calories it started with. If you’re trying to keep duck lean, cooking method is your biggest lever.
Where Duck Wins: Iron and B Vitamins
Duck is a standout source of iron. A 3-ounce serving provides 2.3 milligrams, which is notably higher than the same portion of chicken breast (typically under 1 milligram). Because this is heme iron, the form found in animal foods, your body absorbs it more efficiently than iron from plant sources. For people who are prone to low iron levels, duck is one of the better poultry choices available.
Duck also delivers more B vitamins than chicken. A cup of roasted duck meat provides 0.66 milligrams of riboflavin (vitamin B2) and 7.14 milligrams of niacin (vitamin B3). Riboflavin helps your body convert food into energy and supports healthy skin and eyes. Niacin plays a role in metabolism, DNA repair, and maintaining healthy cholesterol levels. Chicken contains these vitamins too, but in lower concentrations.
Minerals: Zinc and Selenium
A whole raw domestic duck (meat only) contains 5.76 milligrams of zinc and 42.12 micrograms of selenium. Both minerals support immune function and act as antioxidants, helping protect cells from damage. Selenium in particular is important for thyroid health. While chicken provides these minerals as well, duck tends to deliver more per serving, especially for selenium. If you’re looking for poultry that doubles as a micronutrient boost, duck has an edge.
Which Keeps You Fuller Longer
Chicken consistently scores higher on satiety indexes, meaning it tends to keep you feeling full longer relative to its calorie content. Skinless chicken breast scores around 79 on the Diet Doctor satiety scale, while skinless duck scores between 52 and 60. Chicken drumsticks without skin score even higher at 88. The difference comes down to protein density: chicken packs more protein per calorie, which is the single strongest dietary predictor of fullness.
With the skin on, duck’s satiety score drops further into the moderate range because the extra fat adds calories without proportionally increasing fullness. If you’re managing your weight or trying to eat less at each meal, chicken is the more practical everyday choice. Duck works better as an occasional, nutrient-dense option rather than a daily staple for satiety-focused eating.
Which One Should You Choose
Neither bird is categorically “healthier.” They serve different nutritional roles. Chicken breast is the better pick when you want high protein, low calories, and maximum fullness per bite. It’s the workhorse protein for weight management and muscle building. Duck is the better pick when you want more iron, more B vitamins, and more selenium from your poultry. It’s nutritionally richer per serving in several key micronutrients.
The healthiest version of either bird is skinless and roasted, grilled, or baked. If you eat duck with the skin, render it thoroughly to minimize fat. If you eat chicken with the skin, the calorie increase is more modest but still worth noting. For most people, the smartest approach is to eat chicken as your go-to poultry and rotate in duck periodically to pick up the micronutrients chicken doesn’t deliver as well.