Top 26 Foods High in Magnesium (Fruits, Vegetables, Nuts, Seeds, & Other Foods)

22) Tuna

This protein source has only about 90 calories per serving, but it’s an excellent source of vitamin D and omega- 3 fatty acids. It’s also high in Vitamin B12, which helps keep your brain healthy. A 6-ounce fillet of tuna will give you 26% of your daily recommended magnesium intake, equivalent to 109 mg of this mineral. So, it is evident that not only fruits and vegetables are good sources of magnesium.