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Which potassium should you buy · data from

The best potassium of 2026

Raising intake lowers blood pressure in people with hypertension. It is a health mineral, not a gym one: the idea that it prevents cramps has little basis.

from €0.089/capsulemedian €0.174up to €0.928/capsule

What potassium does, at what dose and on what evidence

† Some links are affiliate links — they do not change the ranking

Some store links are affiliate links: if you buy through them, this site may earn a commission at no extra cost to you. It changes nothing in the ranking: the score is computed beforehand and without reading those links, and products with no affiliate programme appear exactly the same. How it is calculated.

Cheapest per capsule

Zenement Citrato De Potasio 180 vcaps

€0.089/capsuleNo third-party seal

€0.089 per capsule: the cheapest of those that meet the category's requirements and are not underdosed.

At Bulevip · see how its score breaks down

Best value for moneyOur pick

ZENement Electrolitos 120 Cápsulas Veganas

€0.075/capsuleNo third-party seal

Score 73 out of 100: the highest mark, with 35 % of the weight on price per capsule.

At DosFarma · see how its score breaks down

Full comparison

34

products compared

from €0.062 to €0.928

per capsule

0

at verified level 4

Filter and sort
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Products sorted by score (recommended)
#ProductStore
01
ZENement Electrolitos 120 Cápsulas Veganas · 2/3 requirementsBest value
DosFarma+€3.99 delivery€8.99€0.075 /capsule73
02
Zenement Citrato De Potasio 180 vcaps · 3/3 requirements
Bulevipfree delivery from €40€15.97€0.089 /capsule72
03
Hivital Electrolitos Complex 240 Cápsulas Veganas · 2/3 requirements
DosFarma+€3.99 delivery€19.99€0.083 /capsule70
04DosFarma+€3.99 delivery€24.99€0.100 /capsule70
05
HSN Essential Series Potasio & magnesio complex 120 tabletas · 3/3 requirements
underdosed
HSN+€3.99 delivery€7.49€0.062 /capsule65
06
Natural Force Potasio 99 mg 100 caps · 1/1 requirements
PromoFarma€13.04€0.130 /capsule62
07
Integralia Magnesio + Potasio 60 Cápsulas5.0 (24) · 1/3 requirements
DosFarma+€3.99 delivery€5.99€0.100 /capsule62
08DosFarma+€3.99 delivery€1.99€0.100 /capsule62
09
Pinisan Magnesio + Potasio 60 Comprimidos · 3/3 requirements
DosFarma+€3.99 delivery€9.99€0.167 /capsule61
10
Paleobull Potasio Citrato 60 Cápsulas · 3/3 requirements
DosFarma+€3.99 delivery€9.99€0.167 /capsule61
11
SOLARAY Citrato de Potasio 60 caps · 3/3 requirements
PromoFarma€10.09€0.168 /capsule61
12
Solaray Potasio Citrato 99 Mg 60 Caps · 3/3 requirements
Bulevipfree delivery from €40€11.43€0.191 /capsule59
13
Alfa Herbal Potasio Citrato 60 caps · 3/3 requirements
PromoFarma€11.96€0.199 /capsule59
14
Hivital Potasio 1000mg 240 Cápsulas5.0 (2) · 3/3 requirements
underdosed
DosFarma+€3.99 delivery€20.00€0.083 /capsule58
15
Mensan Potasio 790 mg 60 caps5.0 (1) · 1/3 requirements
PromoFarma€7.75€0.129 /capsule57
16PromoFarma€8.46€0.141 /capsule55
17
ESI Multicomplex Potasio-Magnesio 90 Tabletas · 1/3 requirementslowest seen
PromoFarma€15.53€0.173 /capsule52
18
COMDIET Potassium 90 caps · 1/3 requirements
PromoFarma€15.64€0.174 /capsule52
19
Neo Potasio 50 caps · 1/3 requirements
PromoFarma€11.99€0.240 /capsule49
20
Alfa Herbal Potasio Magnesio 60 caps · 1/3 requirements
PromoFarma€14.39€0.240 /capsule49
21
Nale Potasio Calcio 60 caps · 1/3 requirements
PromoFarma€16.24€0.271 /capsule48
22DosFarma+€3.99 delivery€6.99€0.388 /capsule48
23
Tegor Potasio Kelp 40 caps · 1/3 requirements
PromoFarma€11.89€0.297 /capsule47
24
Waydiet Natural Potasio Oligogranulos 50 caps · 1/3 requirements
PromoFarma€15.18€0.304 /capsule47
25
Aquilea Magnesio + Potasio 56 Comprimidos Efervescentes · 1/3 requirements
DosFarma+€3.99 delivery€18.99€0.339 /capsule46
26
226ers SUB9 SALTS ELECTROLYTES · 2 flavours · 1/3 requirements
226ERSfree delivery from €50€35.00€0.350 /capsule46
27
Leotron Magnesio + Potasio 54 Comprimidos · 1/3 requirements
DosFarma+€3.99 delivery€21.80€0.404 /capsule45
28PromoFarma€21.28€0.709 /capsule43
29
Solaray Potasio Citrato 99mg 60 Cápsulas Vegetales · 3/3 requirements
underdosed
DosFarma+€3.99 delivery€11.99€0.200 /capsule38

34 products in this table

What you are looking at. The score is 35 % price per capsule against the cheapest in the category, 35 % verifiable quality (certification, purity and additives), 20 % the category's own requirements and 10 % the buyers' rating at the store. Every product explains its mark line by line on its own page. How it is calculated.

Questions about potassium

Answered with the data on this page

Which potassium should you buy?
ZENement Electrolitos 120 Cápsulas Veganas from DosFarma, with 73 points out of 100 at €0.075/capsule. The mark is 35 % price against the cheapest in the category, 35 % verifiable quality (certification, purity and additives), 20 % the category's own requirements and 10 % the buyers' rating at the store, and no commercial deal moves the ranking.
Which is the cheapest potassium?
Zenement Citrato De Potasio 180 vcaps from Bulevip, at €0.089/capsule (180 capsules pack for 15,97 €). It sits at verification level 1 out of 4. Cheap is not the same as well scored: price is 35 % of the mark and most of the rest is how verifiable its certification is.
How much does a capsule of potassium cost?
Between €0.089/capsule and €0.928/capsule across the 5 stores compared, with a median of €0.174/capsule. That is the price per capsule, not per pack: two tubs at the same price can cost twice as much as each other depending on what is inside.
What certification should potassium have?
Of the 34 products compared, 0 reach level 4 (the certification is backed by a third party: either we checked it with the body that issues it, or the product carries in its name a trademark that requires a third party behind it, such as Creapure or IFOS) and 0 reach level 3 (a lab report published by the brand itself). The remaining 34 stop at a certification claimed on the product page, or none at all. Only level 4 is checked against whoever issues the certification.
How much potassium should you take a day?
The reference dose this site uses for potassium is 2 g a day, with moderate evidence. Source: Reglamento (UE) 1169/2011 sobre la informacion alimentaria facilitada al consumidor, Anexo XIII: valores de referencia de nutrientes. Potasio, 2000 mg. Es un valor de ETIQUETADO, no una dosis con efecto demostrado: mide cuanto cubre una capsula de lo que se considera la ingesta de referencia diaria.. That is the dose of the ingredient in the study cited, not a recommendation for you nor a claim about any product in the table.
More specific questions about potassium4 comparisons — the same table, filtered
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The raw data. This ranking is also available as JSON, with the collection date and a link to each product page. It can be cited and reused as long as you say where it comes from and which day the prices are from.