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High-protein, low-carb fish rich in selenium and B12
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (medium) of Grilled grouper (170 g) has 201 calories. That works out to 118 calories per 100 g. It contains 0 g of carbs, 42.2 g of protein, 2.2 g of fat and 0 g of fiber. Its 3.1 µg of B12 covers 128% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Selected: 1 piece (medium) · 170 g
201
KCAL / 170G
Carbs
0g
· 0% DV
Protein
42.2g
· 84% DV
Fat
2.2g
· 3% 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 90% · Fat 10%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 201 kcal | |
| Total fat | 2.2 g | 3% |
| Saturated fat | 0.54 g | 3% |
| Trans fat | 0 g | |
| Sodium | 90 mg | 4% |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 42.2 g | 84% |
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) | 170 g | 201 kcal |
| 1 ounce (medium) | 85 g | 100 kcal |
| 100 g | 100 g | 118 kcal |
| 1 piece (small) | 120 g | 142 kcal |
| 1 cup (chopped) | 140 g | 165 kcal |
| 1 serving (medium) | 150 g | 177 kcal |
| 1 piece (large) | 240 g | 283 kcal |
| 1 serving (large) | 250 g | 295 kcal |
Calculated from 118 calories per 100 g.
Grilled grouper has a mild, clean flavor and firm, flaky white flesh. Its taste is less oily and strongly fishy than that of many fattier fish, so lemon, herbs, and a little olive oil usually complement it without masking it.
Pat the grouper dry, lightly oil the fish and clean grill grates, then cook it over a hot grill. Turn it only once the underside releases easily; a fish basket or grilling on a piece of foil also helps keep fillets intact.
A simple marinade of olive oil, lemon, garlic, and black pepper works well for grilled grouper. Keep the seasoning light so it does not overpower the fish, and avoid leaving it in acidic lemon juice for a long time, which can change its texture.
Grilled grouper is done when its flesh is opaque and separates easily into flakes with a fork. Check the thickest part; food-safety guidance recommends an internal temperature of 145°F (63°C).
Grilled grouper pairs well with a crisp salad, grilled vegetables, or rice. A bright lemon dressing or fresh herbs balance its mild flavor, while a heavy sauce can overwhelm the fish.
Yes, grouper can contain bones, especially when grilled whole. Fillets usually have fewer bones, but small pin bones may remain, so check each piece carefully before serving it to children or anyone who has trouble managing bones.
Yes, grouper skin is edible when properly cleaned and cooked. It can become pleasantly crisp on the grill, though it may stay chewy if the heat is too low; remove it after cooking if you prefer not to eat it.
Store grilled grouper in a covered container in the refrigerator and eat it within 3 days. Refrigerate it promptly rather than leaving it at room temperature, and reheat only the portion you plan to eat.
Grouper can contain moderate amounts of mercury, and larger fish may contain more. People who are pregnant or choosing fish for young children should follow current local seafood advisories and vary the types of fish they eat.
It is better to thaw grouper in the refrigerator before grilling. Thawed fish cooks more evenly and is easier to dry and season; pat it dry before placing it on the grill to help prevent sticking.
Vitamins
B12
3.06µg · 128% DV
B3
7.14mg · 45% DV
B6
0.68mg · 40% DV
B5
1.27mg · 25% DV
Minerals
Selenium
61µg · 111% DV
Phosphorus
357mg · 51% DV
Iodine
60µg · 40% DV
Potassium ⭐
714mg · 21% DV
Sodium
90mg · 4% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 201 calories in 1 piece (medium) (170 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.
Grilled grouper is made from grouper, a firm-fleshed sea fish found in warm waters, cooked over a grill until lightly charred outside and moist within. Its mild, clean flavour takes well to a squeeze of lemon, olive oil and herbs, without needing a heavy sauce.
Across Mediterranean coastal cooking, it is often served as a simple main with salad, grilled vegetables or potatoes; you can use the same approach at home. It is a lean, protein-rich choice: a 100 g portion provides 24.8 g of protein and 1.3 g of fat. For a lighter plate, keep the oil modest and pair it with vegetables rather than a rich side.
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 2
Minimally Processed
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
0.54g
MONOUNSATURATED
0.61g
POLYUNSATURATED
0.56g
Omega 6:3 ratio 0.2:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.