4. Kiwi
Kiwi fruit contains 27.4 nanograms/gram PQQ. This tangy and sweet fruit is full of nutrients. A good source of vitamins E, C and K. Kiwi also contains potassium, folate and antioxidants. Kiwifruits can boost our immune system, aid in digestion and can help manage blood pressure.
5. Papaya
Papaya is a tropical fruit with a lot of health benefits. There are so many ways to incorporate papaya in your daily diet. You can make a tropical fruit salad or make a smoothie out of it. Its PQQ content is 26.7 nanograms/gram.
