Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Rich in omega-3, high protein, source of vitamin B12
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
100 g of Half Mackerel has 205 calories. It contains 0 g of carbs, 19 g of protein, 14 g of fat and 0 g of fiber. Its 19 µg of B12 covers 792% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Selected: 100 g
205
KCAL / 100G
Carbs
0g
· 0% DV
Protein
19g
· 38% DV
Fat
14g
· 18% 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 38% · Fat 62%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 205 kcal | |
| Total fat | 14 g | 18% |
| Saturated fat | 3.3 g | 16% |
| Trans fat | 0 g | |
| Sodium | 90 mg | 4% |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 19 g | 38% |
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.
Log this food in EatBetter
100,000+ people use it
📸 Scan the code to get the app free.

| Serving | Amount | Calories |
|---|---|---|
| 1 serving (medium) | 150 g | 308 kcal |
| 1 piece (quarter) | 50 g | 103 kcal |
| 1 serving (small) | 75 g | 154 kcal |
| 100 g | 100 g | 205 kcal |
| 1 piece (half) | 100 g | 205 kcal |
| 1 piece (whole) | 200 g | 410 kcal |
| 1 serving (large) | 250 g | 513 kcal |
| 1 piece (jumbo) | 300 g | 615 kcal |
Calculated from 205 calories per 100 g.
Yes, half mackerel provides omega-3 fats, protein and vitamin B12. Grilling or baking it adds less cooking fat than frying, while still letting its rich flavour stand out.
You can grill, pan-fry or bake half mackerel. For grilling, start with the skin side facing the heat; cook until the flesh is opaque and separates easily.
Yes, half mackerel contains a central backbone and may have small pin bones. Separate the flesh carefully as you eat, and check it thoroughly before serving it to children.
Yes, half mackerel skin is edible and can turn crisp when grilled or pan-fried. Pat it dry before cooking; if you prefer not to eat it, the cooked flesh usually lifts away easily.
It depends on the species: Atlantic mackerel is generally low in mercury, while king mackerel is high. Check which mackerel you have, especially if you are pregnant or choosing fish for a child.
It is not advisable to eat half mackerel raw unless it has been specifically handled and prepared for raw consumption. Raw fish can carry parasites and harmful bacteria, so cooking it thoroughly is the safer option.
Fresh half mackerel should smell mild and ocean-like, not sour or strongly fishy, and its flesh should look moist and firm. Avoid pieces with dull, sticky or mushy flesh.
Keep cooked half mackerel in a covered container in the refrigerator and eat it within three days. If it has been left at room temperature for an extended period, discard it instead of saving it.
Yes, you can freeze half mackerel. Wrap it tightly or seal it in a freezer-safe container to limit air exposure, then thaw it in the refrigerator before cooking.
Half mackerel describes a portion size, not a species; it may come from different kinds of mackerel. King mackerel is a particular species, and its mercury content is much higher than that of Atlantic mackerel.
Vitamins
B12
19µg · 792% DV
Vitamin D
16µg · 80% DV
B3
6.8mg · 43% DV
B6
0.6mg · 35% DV
Minerals
Selenium
36µg · 65% DV
Phosphorus
210mg · 30% DV
Iodine
40µg · 27% DV
Potassium ⭐
330mg · 10% DV
Sodium
90mg · 4% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 205 calories in 100 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.
Half Mackerel is a portion of mackerel rather than a distinct recipe: the oily fish is served as half a fish or a half-sized portion. Its rich, savoury flavour and firm yet tender flesh suit grilling, baking or pan-cooking, with the exact texture depending on how it is prepared.
Across many coastal food traditions, it is served with lemon, vegetables or salad, and sometimes bread or potatoes. It is naturally protein-rich and provides omega-3 fats; a 100 g portion has 19 g of protein. For a lighter plate, grill it with little added oil and pair it with a generous serving of fresh vegetables.
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.
Contains these allergens:
Vegan
— Not suitable
Vegetarian
— Not suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
3.3g
MONOUNSATURATED
5.6g
POLYUNSATURATED
3.1g
Omega 6:3 ratio 0.1:1
Below the ideal 4:1 — a good omega balance.
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Nutrition data compiled from USDA FoodData Central and scientific sources.