The 5 Most Nutrient-Dense Foods on the Planet 1. Salmon Not all fish are created equal. Salmon and other fatty types of fish contain the most omega-3 fatty acids。Omega-3s are extremely important for optimal functioning of your body. They’re linked to improved well-being and a lower risk of many serious diseases (1Trusted Source). Although salmon is mainly prized for its beneficial composition of fatty acids, it also packs massive amounts of other nutrients. 2. Kale Of all the leafy greens, kale is the king. It’s loaded with vitamins, minerals, fiber, antioxidants, and various bioactive compounds 3. Seaweed The sea has more than just fish. It also contains massive amounts of vegetation. It’s also loaded with various bioactive compounds, including phycocyanins and carotenoids. Some of these substances are antioxidants with powerful anti-inflammatory capacities (15Trusted Source). But seaweed really shines in its high content of iodine, a mineral your body uses to make thyroid hormones. 4. Garlic Garlic is also high in beneficial sulfur compounds such as allicin. Many studies suggest that allicin and garlic may lower blood pressure as well as total and LDL (bad) cholesterol. It also helps raise HDL (good) cholesterol, potentially reducing the risk of heart disease down the line 5. Shellfish Many sea animals are high in nutrients, but shellfish may be among the most nutritious of all. Clams, oysters, scallops, and mussels are commonly consumed types of shellfish. Clams are among the best sources of vitamin B12 in existence, with 100 grams of clams supplying more than 16 times the RDI. They are also loaded with vitamin C, various B vitamins, potassium, selenium, and iron (25Trusted Source).