What Are the Best Potassium Supplements in 2018?

The best potassium supplements on a wooden table.

The benefits of potassium supplements for general health and wellbeing as well as fitness are becoming increasingly evident. It’s no surprise that the nutrition world is catching on and popularity in the wider community is rising.

If you think a potassium supplement is what you need, the next step is choosing a product that’s right for you. With so many options available, you’re probably wondering what’s the best potassium supplement?

I’ve taken a look at what’s out there and picked the best products on the market to share with you today. Read on to find out more.

Product
Details
Our Rating
Our #1 Rated
BulkSupplements Pure Potassium Citrate Powder

BulkSupplements

BulkSupplements Pure Potassium Citrate Powder

5 out of 5

In the Potassium Supplements category

Click for price
  • Clean & Pure Powder. No Fillers.
  • Factory Sealed Foil Zip Pouch.
  • Lab Tested for Verification & Guaranteed Purity.
HealthAmbition Stamp

Our #1 Rated

5 out of 5

In the Potassium Supplements category


Our #2 Rated
Member's Mark Formerly Simply Right Potassium Caplets

Members Mark

Member's Mark Formerly Simply Right Potassium Caplets

4 out of 5

In the Potassium Supplements category

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  • Member's Mark
  • Health and Beauty
HealthAmbition Stamp

Our #2 Rated

4 out of 5

In the Potassium Supplements category


Our #3 Rated
Zenesis Labs - Potassium Gluconate with Iodine Kelp

Zenesis Labs

Zenesis Labs - Potassium Gluconate with Iodine Kelp

4 out of 5

In the Potassium Supplements category

Click for price
  • STOP LEG CRAMPS - Keep the Charlie Horses and cramps away with our high quality Potassium supplement.
  • SLEEP SOUNDLY AT NIGHT - Calm down the cramps and muscles, and find peace when you sleep.
  • BLOOD PRESSURE SUPPORT - Helps control blood pressure by balancing the effects of sodium.
HealthAmbition Stamp

Our #3 Rated

4 out of 5

In the Potassium Supplements category


Our #4 Rated
Pure Science Potassium Gluconate

Pure Science Supplements

Pure Science Potassium Gluconate

3 out of 5

In the Potassium Supplements category

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  • YOUR ANSWER TO POTASSIUM DEFICIENCY IN CAPSULE FORM: Hypokalemia, or low potassium level, can lead to low insulin, increasing...
  • SUPPORTS CARDIOVASCULAR HEALTH & REGULATES BLOOD PRESSURE: Low potassium intake has been associated with high blood pressure...
  • BONE & MUSCLE MAINTENANCE: Potassium promotes an alkaline environment in the body. Metabolic acidosis is triggered by a diet...
HealthAmbition Stamp

Our #4 Rated

3 out of 5

In the Potassium Supplements category


Our #5 Rated
Nature Made Potassium Gluconate 550mg

Nature Made

Nature Made Potassium Gluconate 550mg

3 out of 5

In the Potassium Supplements category

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  • (156666)
HealthAmbition Stamp

Our #5 Rated

3 out of 5

In the Potassium Supplements category

What is Potassium?

Potassium is an essential mineral for maintenance of total body fluid volume, acid and electrolyte balance, and normal cell function. In this context, the term “essential” means our bodies cannot produce potassium. For that reason, we must get potassium from the foods we eat or through supplementation.

Potassium plays a part in a wide range of functions including:

  • Boosts nervous system
  • Maintains optimal fluid balance
  • Improves bone health and muscle tissue growth
  • Keeps brain functioning normally
  • Prevents muscle cramps
  • Maintains electrical conductivity in the brain
  • Stabilizes blood sugar levels and blood pressure
  • Maintains optimal muscle and nerve function

Where Can You Find Potassium?

Fruits

When you initially think of potassium rich fruit, the first thing that comes to mind is probably a banana, right? Dietary guidelines state that one banana contains 422 mg of potassium per serving. However, this is not the highest concentration; prune juice packs a whopping 707 mg per serving.

Other fruits which are a good source of potassium include avocado, melon, papaya, and even dried fruits such as raisins.

Vegetables

Vegetables are another good choice when it comes to potassium. A simple baked potato has 941 mg per serving, followed closely by tomato or tomato paste which has 669 mg per serving.

Okra, broccoli and beets also contain the mineral. Other alternatives are leafy greens such as spinach or kale.

Dairy and Protein

Potassium can also be found in a number of dairy and protein food sources. Atlantic wild salmon has 534 mg per serving and plain yoghurt has 579 mg per serving.

Even plant based proteins like soy beans (edamame) contain 485 mg per serving. Other good alternatives are kidney beans, lentils, and many varieties of fish.

I would like to stress, this is just a selection of the foods which contain high levels of this beneficial mineral. When you start to contemplate all the natural food sources from which you can obtain potassium, the list would be simply exhaustive. Most people who eat a well balanced diet should be reaching their recommended intake.

You may be wondering, if potassium is easily found in so many natural sources, why would anyone need to take supplements? There are a few situations where supplements can be helpful. Let’s take a look at some of the most common reasons to take a potassium supplement.

Unbalanced Diet

Unfortunately, a large number of people don’t consume a healthy diet. According to a survey investigating dietary intake in comparison to daily recommendations, typical eating patterns were particularly low when it came to consumption of fruit (75% below) and vegetables (87% below), dairy (86% below) and oils (72% below). In comparison, they exceeded recommendations for added sugars (70% above), saturated fats (71% above) and sodium (89% above).

With an unbalanced diet, potassium deficiency is certainly a risk.

Other Reasons for Potassium Deficiency

Although a poor diet is considered the main cause of potassium deficiency, there are a number of other contributing factors. Potassium deficiency is more common in those who:

  • Use medicines such as diuretics and certain birth control pills
  • Have physically demanding jobs
  • Are athletes
  • Have health conditions that affect their digestive absorption, such as Crohn’s disease
  • Have an eating disorder
  • Smoke
  • Abuse alcohol or drugs

The Dangers of Low Potassium Levels

According to a report from the World Health Organization (WHO) “non-communicable diseases are the main contributor to mortality and morbidity globally, killing more people each year than all other causes combined.”

Low potassium intake has been associated with a number of these diseases, including chronic kidney stone formation, cardiovascular disease, hypertension and low bone-mineral density.

High blood pressure is a major contributing factor for cardiovascular disease, coronary heart disease and stroke. Potassium is important for maintaining both systolic and diastolic blood pressure. Research has shown that taking potassium supplements lowers blood pressure through its handling of sodium within the body.

The WHO tells us that diet-related diseases are chronic and take many years to manifest. A poor diet lacking in essential vitamins and minerals throughout childhood has a significant association with high blood pressure during adulthood.

How Much Potassium Do We Need?

The amount of potassium needed in your diet depends on your age and gender. The United States Department of Agriculture (USDA) recommends a minimum of 4700 mg of potassium per day for individuals aged 14 and up. This is a good goal for adults to aim for, although women who are breast feeding should consider upping their potassium intake to 5100 mg per day.

It’s crucially important that children get enough potassium in their diet to prevent developing potassium deficiency linked diseases. The Institute of Medicine (IOM) has set the following RDAs of potassium for children:

0-6 months 400 mg/day
7-12 months 700 mg/day
1-3 years 3,000 mg/day
4-8 years 3,800 mg/day
9-13 years 4,500 mg/day
14 years and up 4,700 mg/day

You may think these figures are a difficult target to achieve, but because potassium is found in so many core food groups, most people can reach their goal without putting in much effort.

What About Supplements?

Although doctors would usually try to encourage improved diet in cases of potassium deficiency, on occasion supplements may be necessary. Although potassium in normal doses is considered safe, overdoses can be fatal. Therefore you should always be advised by a doctor before taking potassium supplements.

The Best Potassium Supplement

There are quite a few varieties of potassium supplements to choose from. It can be hard to tell which brand offers the best quality product. Here I’ll list my five picks for the best potassium supplement. I’ve also listed some pros and cons to help you make up your own mind.

Our #1 Rated
Our pick our #1 rated

BulkSupplements

BulkSupplements Pure Potassium Citrate Powder

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

I must admit, I am a big fan of the Bulksupplements brand. They offer high quality supplements that are made in the USA in a GMP facility and are always third party lab tested to guarantee purity. This alone gives confidence in the quality of the products they provide.

This pure potassium citrate powder comes in an alternative form of powder and provides 99mg of potassium citrate per serving. It benefits from being free of any artificial colors, flavors, sugars or preservatives. It is also dairy, soy and gluten free which is a plus point for those with dietary intolerances.

Its aim is to regulate blood pressure and boost bone health. One negative point is that some users find it difficult to measure the dose accurately.

Pros
Pro Powder supplement
Pro 99mg potassium citrate
Pro Clean & pure powder
Pro No fillers
Pro Unflavored
Pro Factory sealed foil zip pouch
Pro Lab tested for verification and guaranteed purity
Pro Helps regulate blood pressure
Pro Boosts bone health
Pro No additives or preservatives
Pro Gluten free
Pro Soy free
Pro Dairy free
Pro Non GMO
Pro Made in the USA
Pro Manufactured in a GMP facility
Cons
Con Lacks measurement info
Con Some experienced laxative effects
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Our #2 Rated
Our pick our #2 rated

Members Mark

Member's Mark Formerly Simply Right Potassium Caplets

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

This supplement is in the middle of the road in terms of price. The pack does include 500 caplets, so when you look at it in terms of price per unit, they could be a good choice value wise especially for long term use.

The product includes 99 mg of potassium per serving with one caplet to be taken daily. It’s claims to have significant benefits in maintaining fluid balance and cell functions. Also claiming to support nerve transmission.

The slight inconvenience to users seems to be the claim of “easy” to swallow caplets; unfortunately they appear to be the opposite for some.

Pros
Pro 99mg per tablet
Pro Gluten free
Pro 500 caplets per package
Pro Easy to swallow caplets
Pro Helps maintain fluid balances
Pro Supports nerve transmission
Pro Helps maintain cell function
Pro 1 caplet daily
Cons
Con Some users still had difficulty swallowing the caplets
 
 
 
 
 
 
 

Our #3 Rated
Our pick our #3 rated

Zenesis Labs

Zenesis Labs - Potassium Gluconate with Iodine Kelp

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

This supplement from Zenesis Labs has 99mg of potassium per serving, but it comes with the additional benefit of 150mcg iodine. It’s aimed at those that are prone to muscle cramping and fatigue.

It comes in at a middle of the road price and is made in USA. As an extra, it includes a lifetime guarantee should you feel dissatisfied.

The downsides are that some users felt that the dosage wasn’t strong enough after taking the supplement for a period of time and it does contain shellfish (but this is clearly displayed on the packaging for clarity).

Pros
Pro 99mg potassium per serving
Pro 150mcg Iodine – 100% RDV from kelp to maintain healthy thyroid function
Pro 250 tablets per pack
Pro Made in USA
Pro 110% lifetime guarantee
Pro 1 tablet per day
Pro Reasonable price
Cons
Con Contains shellfish
Con so not suitable for those with allergies
Con Some users found after taking it for a period of time
Con the dosage didn’t relieve muscle cramps
 
 
 

Our #4 Rated
Our pick our #4 rated

Pure Science Supplements

Pure Science Potassium Gluconate

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

This supplement from Pure Science provides 99mg of potassium per serving. It’s vegetarian friendly so appeals to a wide audience. There are 100 capsules per pack designed for easy consumption and quick absorption.

These supplements are expensive which is disappointing. If you are looking to take them simply to boost your levels short term they may be a good option for you, however, they are may break the budget when it comes to long term use.

Pros
Pro 99mg per serving potassium
Pro 100 capsules per pack
Pro 1 capsule to be taken daily
Pro Over 3 month supply
Pro Vegetarian friendly
Pro Capsule form for easier consumption and quicker absorption
Cons
Con Some users dislike the plain packaging
Con Expensive
 
 
 
 

Our #5 Rated
Our pick our #5 rated

Nature Made

Nature Made Potassium Gluconate 550mg

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

This supplement is free of any artificial colors, flavors and preservatives. Another bonus is that it’s been formulated for easy absorption. It’s yeast, starch and gluten free, so appeals to those that have intolerances.

Nature Made Potassium Gluconate contains 90mg of potassium per serving and is competitively priced so appeals to those on a budget. One point which confused many was the labelled dose. 550mg doesn’t refer to actual pure potassium mineral but potassium gluconate salt. The true dose of potassium is 90mg.

Pros
Pro 90mg per serving potassium
Pro United States Pharmacopeia (USP) verified
Pro Formulated for easy absorption
Pro No artificial colors
Pro flavors
Pro or preservatives
Pro No yeast
Pro starch or gluten
Pro 100 tablets per pack
Cons
Con The labelling can be confusing
 
 
 
 
 
 
 
 

Our Choice

For me, I have to say the best potassium supplement would have to be BulkSupplements Pure Potassium Citrate Powder.

This supplement is a pure no frills, “does what it says on the tin” kind of product which doesn’t have any additional additives or sweeteners and is as natural as possible.

It has 99 mg per serving which should give you a top up of any lost potassium. Also, with it being an unflavored powder, you could consume it in your favourite smoothie or add it to soups and stews which is great for anyone like me who hates taking pills. All in all, it is a good quality product which I think would make a good choice for anyone looking to boost their potassium levels.

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