Food Sources High In Potassium

  • Lasha Chkhikvadze Doctor of Medicine, American MD Program, Tbilisi State Medical University, Georgia
  • Linda Nkrumah Biological Sciences with International Year, University of Birmingham, UK
  • Richa Lal MBBS, PG Anaesthesia, University of Mumbai, India

Are you looking for a comprehensive list of potassium-rich foods to boost your health? Look no further! We've got you covered with the ultimate guide to Food Sources high in Potassium. Discover a wide range of delicious and nutritious options that will support your heart, muscles, and overall well-being. Let's dive in and empower you to make informed choices for a healthier and happier life!


Potassium is an essential mineral that plays a critical role in maintaining our overall health. It is an electrolyte that helps balance fluids in our body and ensures the proper functioning of our heart, muscles, and nerves. In this article, we will delve deeper into the benefits of potassium, its recommended daily intake, and a variety of foods rich in this vital nutrient.

What is potassium?

Potassium is a mineral that our body needs to perform a wide array of functions. It is a key player in regulating our heartbeat, supporting muscle contractions, and facilitating nerve signals that allow our muscles to move.1,7 Additionally, potassium plays a crucial role in maintaining healthy blood pressure levels, which is essential for heart health.1,4

Benefits of potassium

  1. Heart health–One of the most significant benefits of potassium is its positive impact on heart health. Studies have shown that potassium is linked to a reduced risk of stroke and cardiovascular diseases. It achieves this by helping to lower blood pressure, which in turn reduces strain on the heart. Maintaining healthy blood pressure levels is crucial for preventing heart-related issues.3 Additionally, potassium plays a crucial role in preventing arrhythmias by helping to maintain the electrical stability of the heart's rhythm.
  2. Muscle function– Adequate potassium intake is vital for proper muscle function. It helps prevent muscle cramps and ensures that our muscles perform efficiently, whether we are exercising or simply going about our daily activities. If you're an athlete or lead an active lifestyle, ensuring sufficient potassium intake is especially important for optimal muscle performance and recovery.
  3. Nerve communication–Potassium plays a key role in transmitting nerve signals throughout the body. This ensures proper communication between our brain and muscles, enabling smooth and coordinated movements. Maintaining adequate potassium levels supports overall nervous system health.

Recommended daily intake of potassium

The daily potassium requirement varies depending on factors such as age, sex, race and overall health. 

The average daily potassium intake from foods is 2,423 mg for males aged 2–19 and 1,888 mg for females aged 2–19. In adults aged 20 and over, the average daily potassium intake from foods is 3,016 mg for men and 2,320 mg for women.

Average potassium intakes differ among racial groups. Non-Hispanic blacks aged 20 and older have an average daily intake of 2,449 mg of potassium. Hispanic whites and non-Hispanic whites have average daily intakes of 2,695 mg and 2,697 mg, respectively.

Also, individual needs may vary, and certain groups, such as athletes, individuals with specific medical conditions, or those taking certain medications, may require higher potassium intake.

It's important to consult with a healthcare professional to determine your specific potassium needs and to ensure you are meeting your daily requirements.

Foods high in potassium

  1. Dried apricot–Apricots, in their dried form, stand out as a vibrant orange fruit rich in potassium. Just half a cup of dried apricots contains a substantial 755 mg of potassium, making them an excellent choice for boosting potassium intake. Additionally, dried apricots provide essential nutrients like iron and antioxidants. Opt for varieties without added sugar for a healthier option, and enjoy them as a delightful and nutritious snack or add them to salads and main meals.
  2. Bananas–One medium-sized banana contains approximately 422 mg of potassium, offering not only a delicious taste but also convenience as a quick on-the-go snack. Whether in smoothies, cereals, or desserts, bananas make for a versatile and potassium-rich addition to various dishes.
  3. Sweet potatoes–A medium-sized sweet potato provides about 450 mg of potassium and is a valuable source of beta-carotene, beneficial for eye health. Baked, roasted, or mashed sweet potatoes offer a tasty and nutritious side dish to support your potassium needs.
  4. Spinach–A cup of cooked spinach offers approximately 840 mg of potassium, making it an excellent choice to increase potassium intake. Rich in iron, vitamins A, and C, spinach adds a nutrient-packed boost to salads, soups, and stir-fries.
  5. Avocado–One medium-sized avocado contains around 700 mg of potassium, providing a versatile and flavorful addition to salads, sandwiches, or guacamole. Avocados are also packed with healthy fats, fibre, and a variety of essential vitamins and minerals.
  6. Beans and lentils–Black beans, kidney beans, and lentils are rich sources of potassium, with one cup providing about 600 to 800 mg. High in protein and dietary fibre, these legumes are valuable and delicious additions to vegetarian and vegan diets.
  7. Oranges–A medium-sized orange contains about 240 mg of potassium and is also a great source of vitamin C, supporting a healthy immune system. Enjoy oranges as a refreshing snack or use their juice in smoothies and dressings.
  8. Potatoes–One medium-sized potato with the skin contains approximately 900 mg of potassium. Versatile in preparation, potatoes can be baked, boiled, mashed, or roasted. To maximise their health benefits, be mindful of adding excessive salt when cooking.
  9. Yoghurt–A cup of plain yoghurt offers around 500 mg of potassium and is an excellent source of probiotics, promoting gut health. Opt for low-fat or Greek yoghurt for a nutritious snack choice.
  10. Tomatoes–One medium-sized tomato contains about 290 mg of potassium and is rich in lycopene, an antioxidant associated with various health benefits. Tomatoes can be used in salads, sauces, and various dishes.
  11. Fish–Certain fish types, such as salmon and tuna, provide potassium and healthy omega-3 fatty acids, benefiting heart health and brain function.

Incorporating these potassium-rich foods into your daily diet can contribute to maintaining optimal health and supporting various bodily functions.5,6 Remember to enjoy a balanced diet that includes a variety of nutrient-rich foods for overall well-being.

Frequently asked questions

What are the signs of potassium deficiency?

Potassium deficiency, also known as hypokalemia, may lead to various symptoms, including weakness, fatigue, muscle cramps, irregular heartbeats, and constipation.2 If you experience any of these symptoms, it's essential to consult a healthcare professional for proper evaluation and advice. Potassium deficiency can have serious health consequences if left untreated.

Are potassium supplements a good alternative to potassium-rich foods?

Potassium supplements are not a significant alternative to potassium-rich foods.3 Most supplements provide only a small amount of potassium per serving, around 99 mg. Data shows that using potassium supplements adds an average of 87 mg of potassium to daily intake.

While potassium supplements may be prescribed for specific medical conditions, It's better to focus on eating foods high in potassium for adequate intake. Whole foods provide a range of essential nutrients and fibre, which can contribute to overall health. Additionally, some potassium supplements may come with potential side effects and interactions with medications, making it important to seek medical guidance before taking them.

Are salt substitutes safe for everyone?

Salt substitutes often use potassium chloride instead of sodium chloride (regular salt). The amount of potassium in these substitutes can range from about 440 mg to 2,800 mg per teaspoon. However, it's important to be cautious, especially for individuals with kidney disease or those taking specific medications, as high levels of potassium in these substitutes can lead to a condition called hyperkalemia. If you fall into these categories, it's best to consult your healthcare provider before using salt substitutes.

Can I still get enough potassium on a vegetarian or vegan diet?

Absolutely! There are plenty of plant-based sources of potassium for vegetarians and vegans. Foods such as sweet potatoes, beans, lentils, avocados, and leafy greens are excellent choices to include in your diet. By incorporating a variety of potassium-rich plant foods into your meals, you can easily meet your daily potassium requirements.

Are there any foods I should avoid if I have potassium restrictions?

If you have kidney problems or are on certain medications that affect potassium levels, it's crucial to be mindful of high-potassium foods. Foods to limit or avoid may include bananas, oranges, potatoes, and spinach. However, it's essential to remember that dietary restrictions should be tailored to your individual health needs. Therefore, it's best to consult with your healthcare provider or a registered dietitian for personalised advice.


In conclusion, potassium is a vital mineral for heart health, muscle function, and nerve communication. Including potassium-rich foods in your daily diet is an excellent way to ensure you meet your body's potassium needs. Remember to eat a variety of fruits, vegetables, legumes, and nuts to enjoy the full spectrum of health benefits.

By making simple and delicious choices, you can boost your potassium intake and take positive steps towards a healthier lifestyle. Regularly incorporating potassium-rich foods into your meals can contribute to improved overall health and well-being. Remember to consult with a healthcare professional to determine your specific potassium requirements and address any concerns about your dietary choices.

With knowledge and awareness, you can empower yourself to make informed decisions about your nutrition and take charge of your health for a brighter and more vibrant future.


  1. Stone MS, Martyn L, Weaver CM. Potassium intake, bioavailability, hypertension, and glucose control. Nutrients [Internet]. 2016 Jul 22 [cited 2024 Feb 28];8(7):444. Available from:
  2. Viera AJ, Wouk N. Potassium disorders: hypokalemia and hyperkalemia. Am Fam Physician. 2015 Sep 15;92(6):487–95.
  3. Bailey RL, Fulgoni VL, Keast DR, Dwyer JT. Dietary supplement use is associated with higher intakes of minerals from food sources. The American Journal of Clinical Nutrition [Internet]. 2011 Oct [cited 2024 Feb 28];94(5):1376–81. Available from:
  4. Weaver CM. Potassium and health123. Adv Nutr [Internet]. 2013 May 6 [cited 2024 Feb 29];4(3):368S-377S. Available from:
  5. McLean RM, Wang NX. Potassium. In: Advances in Food and Nutrition Research [Internet]. Elsevier; 2021 [cited 2024 Feb 29]. p. 89–121. Available from:
  6. Farapti F, Buanasita A, Atmaka DR, Setyaningtyas SW, Adriani M, Rejeki PS, et al. Potassium intake is associated with nutritional quality and actual diet cost: a study at formulating a low sodium high potassium (Lshp) healthy diet. J Nutr Sci [Internet]. 2022 [cited 2024 Feb 29];11:e11. Available from:
  7. Staruschenko A. Beneficial effects of high potassium: contribution of renal basolateral k + channels. Hypertension [Internet]. 2018 Jun [cited 2024 Feb 29];71(6):1015–22. Available from:
This content is purely informational and isn’t medical guidance. It shouldn’t replace professional medical counsel. Always consult your physician regarding treatment risks and benefits. See our editorial standards for more details.

Get our health newsletter

Get daily health and wellness advice from our medical team.
Your privacy is important to us. Any information you provide to this website may be placed by us on our servers. If you do not agree do not provide the information.

Lasha Chkhikvadze

Doctor of Medicine, American MD Program, Tbilisi State Medical University, Georgia

Lasha is a 6th year medical student who is currently striving to start a residency program in Internal Medicine in the US. He actively engages in multiple medical research projects and eagerly participates in medical conferences to stay updated in his field. Staying up-to-date with the latest news in the field is a priority for him. Lasha takes pleasure in sharing his wealth of knowledge, and he considers Klarity an enigmatic platform that allows him to do so effectively. presents all health information in line with our terms and conditions. It is essential to understand that the medical information available on our platform is not intended to substitute the relationship between a patient and their physician or doctor, as well as any medical guidance they offer. Always consult with a healthcare professional before making any decisions based on the information found on our website.
Klarity is a citizen-centric health data management platform that enables citizens to securely access, control and share their own health data. Klarity Health Library aims to provide clear and evidence-based health and wellness related informative articles. 
Klarity / Managed Self Ltd
Alum House
5 Alum Chine Road
Westbourne Bournemouth BH4 8DT
VAT Number: 362 5758 74
Company Number: 10696687

Phone Number:

 +44 20 3239 9818