Mackerel

Nutrition per ~85 g · a palm-sized piece (~3 oz)

Vitamins

Minerals & other

Bioactives estimated

Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.

What drives the score weighted inputs

These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 93.

What it feeds primary sources only

Systems

Pathways

Overview

Mackerel is a migratory fatty fish found in temperate and tropical oceans worldwide, with Atlantic and Pacific varieties being most commonly consumed. Its nutritional profile is remarkable for longevity: a single 100g serving provides 2,670mg of EPA and DHA omega-3 fatty acids—exceeding daily recommendations for most adults—plus 19mcg of vitamin B12 (nearly 8x the daily requirement) and 643 IU of vitamin D. The high omega-3 content makes mackerel particularly valuable for reducing cardiovascular disease risk and supporting healthy aging. Additionally, mackerel contains astaxanthin, a potent carotenoid antioxidant that gives it its distinctive color and provides neuroprotection and anti-inflammatory benefits. The combination of complete protein (23.9g), selenium (crucial for thyroid function and DNA repair), and niacin (essential for cellular energy metabolism) positions mackerel as a functional food for extended healthspan. Wild-caught mackerel is generally lower in mercury than larger predatory fish due to its shorter lifespan, making it a safer choice for regular consumption.

Health benefits 5

Pairs with

• Pair with lemon or lime because citric acid enhances iron and mineral bioavailability from the fish and supports collagen synthesis
• Combine with leafy greens (spinach, kale) because vitamin K in greens synergizes with vitamin D and calcium for bone metabolism and vascular health
• Serve with sweet potato or asparagus because their polyphenols enhance astaxanthin absorption and provide prebiotic fiber for gut microbiota supporting omega-3 metabolism
• Pair with garlic or onions because their allicin and quercetin compounds provide additive anti-inflammatory and cardiovascular benefits

In the kitchen

• Choose wild-caught Atlantic or Pacific mackerel over farmed varieties; wild mackerel have higher omega-3 density and lower contaminant risk due to shorter lifespans and natural diets
• Consume 2-3 times weekly (150-200g portions) to meet omega-3 recommendations while managing mercury exposure; mackerel's smaller size makes it safer than larger fish like swordfish
• Store fresh mackerel on ice and use within 1-2 days; freeze in parchment paper with the purchase date to preserve omega-3 integrity for up to 3 months
• Eat the skin when grilled or baked—it contains astaxanthin and selenium concentrated in surface tissues; avoid charring which damages heat-sensitive micronutrients
• If using canned mackerel, choose varieties packed in water or olive oil rather than soybean oil to optimize omega-3 to omega-6 ratios

When to eat it anytime

Mackerel can be consumed at any meal; morning consumption supports sustained energy and cognitive function via B12 and protein; evening consumption may improve sleep quality through omega-3 support of melatonin synthesis. No specific timing advantage, but pair with meals containing fat-soluble vitamin sources for optimal absorption.

Breaks a fast

Mackerel's high fat and protein content makes it poor for fasting protocols, but optimal for breaking intermittent fasts due to rapid satiety and nutrient density