King Mackerel Steak (Grilled) vs Amberjack Yellowtail Fillet
We scientifically analyze the biological properties of King Mackerel Steak (Grilled) and Amberjack Yellowtail Fillet. Review the differences in macronutrients, vitamins, minerals, and our final nutritional verdict.

King Mackerel Steak (Grilled)
Scomberomorus cavalla

Amberjack Yellowtail Fillet
Seriola lalandi
Key Nutritional Advantages
| Nutrient / Metric | King Mackerel Steak (Grilled) (100g) | Amberjack Yellowtail Fillet (100g) |
|---|---|---|
| Calories | 305 kcal | 146 kcal |
| Protein | 20g | 20.5g |
| Fats | 25g | 6.2g |
| Carbohydrates | 0g | 0g |
| Dietary Fiber | 0g | 0g |
| GIGlycemic Index | 0 | 0 |
| Water Content | 61% | 70% |
Nutritional Verdict
Based on nutrient-density scores (highly bioavailable proteins, soluble prebiotic fiber, and balanced glycemic metrics), Amberjack Yellowtail Fillet is programmatically rated superior for structural cellular health.
King Mackerel Steak (Grilled)
King mackerel steak is a rich source of omega-3 fatty acids, protein, and essential vitamins and minerals. Grilling enhances its flavor while retaining its nutritional value.
Amberjack Yellowtail Fillet
Amberjack yellowtail fillet is a lean, high-protein fish known for its firm texture and mild flavor. It is rich in omega-3 fatty acids, making it a heart-healthy choice.
Nutritional Intelligence Comparative Analysis
Cross-clinical evaluation based on micronutrient densities, absorption profiles, and bioactive compounds.
1. Macronutrient Battle and Energy Density
When evaluating energy intake, King Mackerel Steak (Grilled) provides 305 calories per 100g, compared to 146 calories in Amberjack Yellowtail Fillet. This makes King Mackerel Steak (Grilled) more energy-dense, whereas Amberjack Yellowtail Fillet stands out for its lower caloric footprint.
In the protein matrix, King Mackerel Steak (Grilled) delivers 20g of protein per 100g, while Amberjack Yellowtail Fillet records 20.5g. If looking to optimize muscle protein synthesis, Amberjack Yellowtail Fillet is superior in this macronutrient.
Carbohydrate structures and the Glycemic Index (GI) yield different metabolic dynamics: King Mackerel Steak (Grilled) has 0g of carbs with an estimated GI of 0, whereas Amberjack Yellowtail Fillet has 0g with a GI of 0. Both exert a similar glycemic impact on the bloodstream.
Regarding gut health, King Mackerel Steak (Grilled) features 0g of fiber per 100g, compared to 0g in Amberjack Yellowtail Fillet. Both supply identical amounts of dietary fiber.
2. Micronutrient Profile (Vitamins and Minerals)
Micronutrient analysis highlights the essential vitamins and minerals of each food, expressed as a percentage of the recommended Daily Value (%DV).
King Mackerel Steak (Grilled)'s profile is highly notable for: vitamin-b12 (9µg, 375% VDR) and vitamin-d (360IU, 90% VDR) and selenium (40µg, 57% VDR).
Conversely, Amberjack Yellowtail Fillet stands out especially in: selenium (36.5mcg, 66% VDR) and vitamin-d (3.2mcg, 16% VDR).
3. Medicinal Properties and Bioactive Compounds
From a phytonutrient and bioactive perspective, each superfood interacts with cellular receptors uniquely to deliver medicinal and cell-protective benefits.
4. AI Clinical Verdict
We conclude with the AI Clinical Verdict. Evaluating the Nutri-Scores (King Mackerel Steak (Grilled): 100/100 vs Amberjack Yellowtail Fillet: 100/100), we determine that both foods possess an equivalent nutritional value.
For Weight Control / Caloric Deficit, the recommended food is Amberjack Yellowtail Fillet due to its excellent volume-to-calorie ratio and hydration/fiber content.
For Muscle Gain and Athletic Performance, the biochemically advantageous option is Amberjack Yellowtail Fillet because of its higher protein/amino acid content.
For Glycemic Control / Insulin Sensitivity, Amberjack Yellowtail Fillet is recommended due to its low glycemic impact.
For Cardiovascular Health and Antioxidants, Amberjack Yellowtail Fillet stands out due to its concentration of cardioprotective compounds and key minerals.

