Is Vitamin K and Potassium the Same?

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Is vitamin K the same as potassium?

We don’t think anyone would ask this question if you are aware of both things. Vitamin K is a vitamin-like vitamins D or vitamin C. Potassium is a naturally-occurring mineral that acts as an electrolyte in our bodies. 

So, the short answer is no; vitamin K is not the same as potassium!

Why People Confuse Between Vitamin K and Potassium

We can think of only one reason why you might confuse vitamin K with potassium. This is because potassium is denoted with the symbol K. So, some of you may think vitamin K is the same as potassium (K).

However, as we said earlier, both are completely different substances. 

What is Potassium

Potassium is an essential mineral for humans. It helps our muscles work, including those in the lungs and heart. Additionally, potassium also helps in the transport of nutrients and waste products from our cells. So, we need potassium to stay alive. 

Sources of Potassium

We get all the potassium we need from our diet. Foods that are rich in potassium include-

  • Leafy, green vegetables like spinach or lettuce
  • Berries and grapes
  • Potatoes, beet, carrots, and other root veggies
  • Sour fruits

The Role of Potassium

Potassium plays a series of roles in our bodies. It acts as an electrolyte and helps maintain healthy fluid balance in our bodies. We need to eat enough potassium to stay hydrated and healthy.

Additionally, potassium is vital for a healthy nervous system. We need enough potassium to deliver messages across nerves and function properly. 

Moreover, potassium is essential for muscle contractions. Your heart needs adequate potassium to beat at a healthy rate.

Along with the above, potassium may have benefits like-

  • Reducing bloating
  • Fight kidney stones
  • Protection from strokes
  • Better bone health
  • Lowering blood pressure

You now have got a fair idea of potassium or K. Now, let’s move on to our vitamin. 

What is Vitamin K

Vitamin K is a group of vitamins made of vitamins like K1 and K2. This vitamin is essential for blood clotting and stops uncontrolled bleeding.

Sources of Vitamin K

You can get vitamin K in ample quantities in green leafy veggies. You can also eat broccoli or cauliflower, along with meat and fish.

Most of us get enough vitamin K from our diets.

The Role of Vitamin K

Vitamin K helps us produce a range of proteins that clot blood and build bones. It is present throughout our bodies, including our heart, bones, brain, and liver.

Vitamin K helps form healthy bones by transporting calcium to our bones. In studies, vitamin K reduces the risks of fractures. Additionally, the vitamin has a beneficial effect on our bone mineral density. This is a reason vitamin K is important for senior folks.

Moreover, vitamin K may keep your heart healthy and protect against prostate cancer.

One interesting thing about vitamin K is it seldom reaches toxic levels in our bodies. What we mean is you can never eat too much of vitamin K. The excess vitamin is stored in the body fat without any harmful consequences. 

Potassium (K) and Vitamin K Are Not the Same

As you can see, potassium and vitamin K are not the same things. One is a mineral, while the other is a group of vitamins. 

However, we can say one thing for sure. You need both potassium and vitamin K to live and function healthily. As a result, your diet should include foods that contain the nutrients. 

Vitamin K deficiency is rare and can be countered with vitamin supplements. In the case of potassium, deficiencies can get serious and need medical attention.

Eating the right food can supply both nutrients in the right amounts. Eat a variety of veggies, fruits, nuts, meat, eggs, and fish.

Final Thoughts

Now you know vitamin K is not the same as potassium. Some people confuse the two because both are denoted by “K.” You can now make others aware and tell them how both are dissimilar. If you need more information on potassium or vitamin K, make Google your friend. You will find ample information from credible sources, as we have used. 


Can I take a potassium supplement every day?

Potassium is not harmful when taken in safe doses. However, potassium supplements are rarely taken for health benefits. Most of the time, they are prescribed by doctors for different diseases. Ask for your doctor’s advice if you think you need potassium. 

What does vitamin K do?

Vitamin K helps in the formation of many types of protein. It also plays a role in blood clotting and developing strong bones. Vitamin K may also have some benefits for the heart. 

What are the benefits of potassium supplements?

Potassium is an essential element for maintaining the fluid balance in your body. We also need potassium for muscle contractions and a healthy nervous system. It may also bring down your blood pressure. However, you won’t get any additional benefit from potassium supplements if you aren’t potassium deficient. 

What foods are rich in vitamin K?

Animal meat, eggs, and fish are good sources of vitamin K. All sorts of green leafy vegetables are also rich in vitamin K. Cabbage, spinach, cauliflower, kale, broccoli- the list is endless!

How do you spot the signs of potassium deficiency?

Low levels of potassium may cause fatigue and muscle cramps. Some people may also experience constipation. Contact a medical professional if you think you are low on potassium.

Do I need vitamin K?

You may need vitamin K if you don’t eat enough green leafy vegetables or animal products. Lack of vitamin K causes symptoms like easy bruising, gum bleeding, and excessive bleeding. Talk to your physician if you think you are low on vitamin K.

Do potassium supplements have side effects?

Potassium supplements may cause some people to experience gastrointestinal issues. You may get gas, diarrhea, or nausea. Taking excess amounts of potassium is also injurious. Always consult your doctor before starting a potassium supplement. 

Do I have to take vitamin K with vitamin D?

You don’t have to take vitamin K and D together as it doesn’t have any added benefits. But stick to the combination if it has been prescribed by your doctor. 

Can you check your potassium levels at home?

Some companies sell home test kits for measuring your blood potassium levels. You can use such a test kit to know if you are low on potassium. Else, you can look out for the symptoms of potassium deficiency. Otherwise, it’s not possible to check your potassium levels at home. 

Is vitamin K called by other names?

The dietary form of vitamin K is generally called vitamin K. The lab-made form of vitamin K has the name menadione. Additionally, our gut bacteria also produce vitamin K called menaquinone.