What Foods Are High In Soluble Fiber: Top 20

17. Sunflower seeds: 1 g of soluble fiber per serving 

Sunflower seeds: 1 g of soluble fiber per serving 

Sunflower seeds are a great nutritious snack. They contain about 3g of fiber per quarter cup, 1 gram of which is soluble. 

They are also rich in healthy fats, protein, magnesium, selenium, and iron.