Best Nature Made Potassium Dietary Supplements in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Vitamatic | 9.90 | ✅ | ✅ | ✅ |
Made in the USA - KI Pills
Potassium Iodide is a salt of stable Iodine
Suggested Use: Use only as directed. For short-term use only (up to 10 days). Adults and adolescents: up to 4 tablets once daily. For children ages 3-12 years up to 2 tablets once daily. For children 1-3 years 1 tablet once daily. For children under 1 year consult your physician before use.
EASY TO SWALLOW
Iodine is an essential mineral.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Univera, Inc. | 9.84 | ✅ | ✅ | ✅ |
A FULL-FLEDGED POTASSIUM SUPPLEMENT: Univera km is one of the oldest, original potassium supplements. Made from a combination of minerals and extracts of many traditional botanical plants, fruits, flowers, foliage, roots, and barks through a proprietary process; the Original Karl Jurak formula helps support the body's pH balance, oxygenation in the blood, natural toxin fighting abilities and balances the body's acidity level.*
REGULATE YOUR PH BALANCE: The unique combination of minerals and botanical plant extracts helps the body fill its potassium requirements and oxygenate your blood, eliminates toxins, and balance acidity levels.* Reduce the imbalances caused by the natural process of aging and even stress with Univera KM.*
DIGESTIVE SYSTEM SUPPORT: Essential bitter herbs and minerals are critical for our digestive health.* Univera km introduces these natural phytonutrients and minerals to our daily diet. By fulfilling the body's daily potassium requirements, Univera KM supports your bioavailability, the body's natural function and ability to absorb nutrients from digested food.*
THE UNIVERA DIFFERENCE: Univera km is a natural phytonutrient-rich mineral formulation made from a combination of minerals & extracts of 14 unique botanicals to fill in vital dietary gaps. The formula contains chamomile, sarsaparilla, dandelion, horehound, licorice, senega, passionflower, thyme, gentian, saw palmetto, alfalfa, angelica, celery seed, and cascara sagrada. These natural ingredients provide potassium and vitamins to support your digestive system and regulate your pH balance.
SUGGESTED USAGE & WARNING: Take one (1) tablespoon (15 ml) in the morning and one (1) at night, on its own or mixed with your choice of cold beverage. Not intended for pregnant or lactating women. As with all nutritional products, consult your physician before using this product if you are taking medication. In case of accidental overdose, call a physician or poison control center immediately. KEEP OUT OF REACH OF CHILDREN.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Univera, Inc. | 9.82 | ❌ | ❌ | ❌ |
A FULL-FLEDGED POTASSIUM SUPPLEMENT: Univera km is one of the oldest, original potassium supplements. Made from a combination of minerals and extracts of many traditional botanical plants, fruits, flowers, foliage, roots, and barks through a proprietary process; the Original Karl Jurak formula helps support the body's pH balance, oxygenation in the blood, natural toxin fighting abilities and balances the body's acidity level.*
REGULATE YOUR PH BALANCE: The unique combination of minerals and botanical plant extracts helps the body fill its potassium requirements and oxygenate your blood, eliminates toxins, and balance acidity levels.* Reduce the imbalances caused by the natural process of aging and even stress with Univera km.*
DIGESTIVE SYSTEM SUPPORT: Essential bitter herbs and minerals are critical for our digestive health.* Univera km introduces these natural phytonutrients and minerals to our daily diet. By fulfilling the body's daily potassium requirements, Univera KM supports your bioavailability, the body's natural function and ability to absorb nutrients from digested food.*
THE UNIVERA DIFFERENCE: Univera km is a natural phytonutrient-rich mineral formulation made from a combination of minerals & extracts of 14 unique botanicals to fill in vital dietary gaps. The formula contains chamomile, sarsaparilla, dandelion, horehound, licorice, senega, passionflower, thyme, gentian, saw palmetto, alfalfa, angelica, celery seed, and cascara sagrada. These natural ingredients provide potassium and vitamins to support your digestive system and regulate your pH balance.*
SUGGESTED USAGE & WARNING: Take one (1) tablespoon (15 ml) in the morning and one (1) at night, on its own or mixed with your choice of cold beverage. Not intended for pregnant or lactating women. As with all nutritional products, consult your physician before using this product if you are taking medication. In case of accidental overdose, call a physician or poison control center immediately. KEEP OUT OF REACH OF CHILDREN.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Nature's Fusions Nutri | 9.51 | ✅ | ✅ | ✅ |
EXPIRATION: 05/2032 - The NRC has stated that the shelf life of Potassium Iodide Tablets can be extended greater than 10 years due to the inherent stability of iodine salt mineral supplements. SUGGESTED USE: For short-term use only (up to 2 weeks). Adult/Adultescent: 130 mg (2 tablets). Children: 65 mg (1 tablet).
300 REAL TABLETS: These are actually tablets that are easily divisible if needed for smaller children and infants. Capsules can't be divided easily and have a shorter shelf life than tablets. Use is the same as potassium iodate tablets, ki pills 130mg or other iodine supplements.
IODINE - Potassium Iodide (KI) is a stable iodine salt. Taking a stable iodine helps the thyroid absorb and be "full" of iodine. The body does not produce Iodine naturally, which makes 130 mg Potassium Iodide Pills perfect for emergency or survival kits.
GUARANTEED PURE - Our Potassium Iodine Drops, potassium iodide tablets, and potassium iodine pills use USP grade Potassium iodide crystals directly from the source. We offer 3rd party lab tests that test for heavy metals, potency, purity, and much more.
MADE IN THE USA: We are the only brand that sources, tests, produces, and ships everything from our own in-house FDA registered Food-Grade facility. That's why we can offer the best quality and the best price. Our bottles never say "Manufactured For" like everyone else. We produce many iodine supplements including Potassium Iodide Pills and Potassium iodide 130 mg tablets.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Nature's Fusions Nutri | 9.56 | ✅ | ✅ | ✅ |
EXPIRATION: 09/2032 - The NRC has stated that the shelf life of Potassium Iodide Tablets can be extended greater than 10 years due to the inherent stability of iodine salt mineral supplements. SUGGESTED USE: For short-term use only (up to 2 weeks). Adult/Adultescent: 130 mg (2 tablets). Children: 65 mg (1 tablet).
120 REAL TABLETS: These are actually tablets that are easily divisible if needed for smaller children and infants. Capsules can't be divided easily and have a shorter shelf life than tablets. Use is the same as potassium iodate tablets, ki pills 130mg or other iodine supplements.
IODINE - Potassium Iodide (KI) is a stable iodine salt. Taking a stable iodine helps the thyroid absorb and be "full" of iodine. The body does not produce Iodine naturally, which makes 130 mg Potassium Iodide Pills perfect for emergency or survival kits.
GUARANTEED PURE - Our Potassium Iodine Drops, potassium iodide tablets, and potassium iodine pills use USP grade Potassium iodide crystals directly from the source. We offer 3rd party lab tests that test for heavy metals, potency, purity, and much more.
MADE IN THE USA: We are the only brand that sources, tests, produces, and ships everything from our own in-house FDA registered Food-Grade facility. That's why we can offer the best quality and the best price. Our bottles never say "Manufactured For" like everyone else. We produce many iodine supplements including Potassium Iodide Pills and Potassium iodide 130 mg tablets.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Vitamatic | 9.90 | ✅ | ✅ | ✅ |
The NRC has stated that the shelf life of Potassium Iodide Tablets can be extended greater than 10 years due to the inherent stability of iodine salt mineral supplements.
For Short Term Use Only
Made in USA: Made from carefully selected ingredients under strict manufacturing processes. USP tested and verified ingredients, potency and manufacturing process. Guaranteed to meet VITABOD High quality standards. No color added, No artificial flavors, Gluten Free, Non-GMO and Kosher
Suggested Use: Use only as directed. For short-term use only (up to 10 days). Adults and adolescents: up to 2 tablets once daily. For children ages 3-12 years up to 1 tablet once daily. For children 1-3 years 1/2 tablet once daily. For children under 1 year consult your physician before use.
100% SATISFACTION GUARANTEE - You'll love our Potassium Iodide 130 mg Supplement.100% Customer Satisfaction Guarantee. Join thousands of satisfied customers and families...Click Add-to-Cart to order Today!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Research Biotech Group | 8.52 | ✅ | ✅ | ✅ |
IODINE - Potassium Iodide (KI) is a stable iodine salt. Taking a stable iodine helps the thyroid absorb and be "full" of iodine since the body does not produce Iodine naturally. 24 hour support with 130 mg Potassium Iodide Pills perfect for emergency or survival kits.
EASY TO SWALLOW – Potassium Iodine (KI thyroid gland) immediate release capsules to quickly absorb into your system as quick as possible.
PURITY is GUARANTEED – All of our Potassium Iodine capsules, potassium iodide tablets, and potassium iodine pills use USP grade Potassium iodide crystals and are 3rd party lab tested for each batch that test for heavy metals, potency, purity, and expiration freshness.
Suggested Use: Use only as directed. For short-term use only (up to 10 days). Adults and adolescents: up to 2 capsules once daily. For children ages 3-12 years up to 1 capsule once daily. For children 1-3 years 1 capsule once daily that may be mixed into food. For children under 1 year consult your physician before use.
MADE IN THE USA: In our cGMP certified and FDA inspected facility. Since we produce many iodine supplements including Potassium Iodide Pills and Potassium iodide 130 mg tablets, we 3rd party test each and every individual batch of product for each and every lot number on the bottom of every bottle. Please contact us at anytime for lab test results.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Nature's Fusions Nutri | 9.53 | ✅ | ✅ | ✅ |
EXPIRATION: 10/2032 - The NRC has stated that the shelf life of Potassium Iodide Tablets can be extended greater than 10 years due to the inherent stability of iodine salt mineral supplements. Adult/Adultescent: 130 mg (2 tablets). Children: 65 mg (1 tablet).
REAL TABLETS: These are actually tablets that are easily divisible if needed for smaller children and infants. Capsules can't be divided easily and have a shorter shelf life than tablets.
IODINE - Potassium Iodide (KI) is a stable iodine salt. The body does not produce Iodine naturally.
GUARANTEED PURE - Our potassium iodide tablets use USP grade Potassium iodide crystals directly from the source. We offer 3rd party lab tests that test for heavy metals, potency, purity, and much more.
MADE IN THE USA: We are the only brand that sources, tests, produces, and ships everything from our own in-house cGMP certified Food-Grade facility. That's why we can offer the best quality and the best price. Our bottles never say "Manufactured For" like everyone else. We produce many iodine supplements including Potassium Iodide Pills and Potassium iodide 130 mg tablets.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TraceMinerals | 9.93 | ✅ | ✅ | ✅ |
NATURAL SOURCE – The ionic form of concentrated liquid potassium is found naturally in the form of ionic potassium
HEALTH ESSENTIALS – Potassium is a vital mineral for maintaining healthy heart and brain function as well as for appropriate nerve conduction, muscular function, and fluid balance
SHAKE WELL – Using the metered dropper, take 1.75 mL daily with juice or food to mask the concentrated mineral flavor. Do not refrigerate. Keep out of reach of children.
HIGHEST QUALITY & MAXIMUM ABSORPTION – Always 3rd party tested for purity, potency and quality (including for heavy metals) in USA, unflavored, vegan, gluten free, Non-GMO Project Certified
FEEL THE DIFFERENCE – Pure ingredients you can trust to perform from America’s #1 Trace Mineral Supplement Brand
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Research Biotech Group | 8.52 | ✅ | ✅ | ✅ |
IODINE - Potassium Iodide (KI) is a stable iodine salt. Taking a stable iodine helps the thyroid absorb and be "full" of iodine since the body does not produce Iodine naturally. 24 hour support with 130 mg Potassium Iodide Pills perfect for emergency or survival kits.
EASY TO SWALLOW – Potassium Iodine (KI thyroid gland) immediate release capsules to quickly absorb into your system as quick as possible.
PURITY is GUARANTEED – All of our Potassium Iodine capsules, potassium iodide tablets, and potassium iodine pills use USP grade Potassium iodide crystals and are 3rd party lab tested for each batch that test for heavy metals, potency, purity, and expiration freshness.
Suggested Use: Use only as directed. For short-term use only (up to 10 days). Adults and adolescents: up to 2 capsules once daily. For children ages 3-12 years up to 1 capsule once daily. For children 1-3 years 1 capsule once daily that may be mixed into food. For children under 1 year consult your physician before use.
MADE IN THE USA: In our cGMP certified and FDA inspected facility. Since we produce many iodine supplements including Potassium Iodide Pills and Potassium iodide 130 mg tablets, we 3rd party test each and every individual batch of product for each and every lot number on the bottom of every bottle. Please contact us at anytime for lab test results.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Peak Performance Health | 9.96 | ✅ | ✅ | ✅ |
Don’t Be Fooled! Not all Iodine supplements are the same. Unlike iodine pills or capsules, which require processing by the gut, Peak Performance Liquid Potassium-Iodide is more effective with high bioavailability. Great for adults - men and women.
Unflavored Without the Bitter Taste. Simply apply sublingual (under tongue) or mix these drops in any drink and you won’t even taste it!
Thyroid Support - Iodine is an essential trace mineral not made by the body. It is a key component of thyroid, which your body requires to function properly. Iodine deficiency also occurs when on a prolonged vegan or vegetarian diet, or women pregnant and nursing. With Peak Performance Liquid Iodide you get the optimal amount of Iodine your body needs to perform at the highest level.
Vegan & Allergy Free - Free of Soy, Milk, Egg, Shellfish, Corn, Wheat & Peanuts. Contains NO Gluten or Preservatives. Manufactured Under The Highest Quality GMP Regulations and USA Standards.
Over 500,000 Happy Customers + 1-for-1 Donation To Vitamin Angels. Peak Performance is celebrating over 500,000 happy customers and we are also very proud of our 1-for-1 donation match program. For every unit you purchase, through our partnership with the nonprofit Vitamin Angels, we will supply a child at risk of malnutrition with vitamins for 1 year! To date, we've supplied over 1 Million children with life changing Vitamins- So thank you for helping us continue this great cause!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Research Biotech Group | 8.52 | ✅ | ✅ | ✅ |
IODINE - Potassium Iodide (KI) is a stable iodine salt. Taking a stable iodine helps the thyroid absorb and be "full" of iodine since the body does not produce Iodine naturally. 24 hour support with 130 mg Potassium Iodide Pills perfect for emergency or survival kits.
EASY TO SWALLOW – Potassium Iodine (KI thyroid gland) immediate release capsules to quickly absorb into your system as quick as possible.
PURITY is GUARANTEED – All of our Potassium Iodine capsules, potassium iodide tablets, and potassium iodine pills use USP grade Potassium iodide crystals and are 3rd party lab tested for each batch that test for heavy metals, potency, purity, and expiration freshness.
Suggested Use: Use only as directed. For short-term use only (up to 10 days). Adults and adolescents: up to 2 capsules once daily. For children ages 3-12 years up to 1 capsule once daily. For children 1-3 years 1 capsule once daily that may be mixed into food. For children under 1 year consult your physician before use.
MADE IN THE USA: In our cGMP certified and FDA inspected facility. Since we produce many iodine supplements including Potassium Iodide Pills and Potassium iodide 130 mg tablets, we 3rd party test each and every individual batch of product for each and every lot number on the bottom of every bottle. Please contact us at anytime for lab test results.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Max-Bio | 3 |
| Nature's Fusions | 3 |
| Univera | 2 |
| Peak Performance | 1 |
| Trace Minerals Research | 1 |
| Vitabod | 1 |
| Vitamatic | 1 |
We've carried out a comprehensive analysis of 10,996 reviews on potassium dietary supplements, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select potassium dietary supplements priced around $33.40, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 12 potassium dietary supplements for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right supplements Products based on their needs, saving them considerable time when choosing which potassium dietary supplements to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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