Vitamin World Potassium 99 mg
- Potassium
- Tablet
- Potassium
- 250
A conventional 99mg potassium caplet with a long per-bottle supply, suited to daily maintenance use rather than higher-dose supplementation.
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How it ranks among the 93 potassium we track
4.6★ across 90 Amazon ratings, Bayesian-smoothed toward the category average.
90 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
400+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 93 potassium we track - how the scorecard works · full potassium data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A vegetarian caplet delivering 99mg of potassium gluconate per dose, the standard OTC potassium level in the US. The 250-count bottle is sized for once-daily use across roughly 250 days.
This sits at the conventional low-dose end of the potassium category rather than a higher-potency softgel or gummy format. Vitamin World frames it around electrolyte, muscle, nerve, and heart support, and the once-daily, gluten-free format keeps the routine simple.
- 99mg potassium gluconate per caplet
- 250 caplets, about 250 days of use
- Vegetarian formula
- Gluten-free
Who it's for
Adults wanting a straightforward, standard-dose potassium caplet for daily maintenance rather than a higher-potency product fit this one well. It's less suited to anyone seeking a chewable or softgel format, or a higher milligram dose.
Strengths and trade-offs
Drawn from this product's published specifications.
- Vegetarian and gluten-free caplet
- Long 250-day supply per bottle
- Standard once-daily dosing
- 99mg is a maintenance dose, not high-potency
- Caplet form only, no flavor masking
Performance notes
At 99mg per caplet, this sits at the conventional OTC potassium ceiling used across the US supplement market, a level set well below food-based potassium intake for safety reasons rather than a strength limitation specific to this brand. Once-daily dosing across a 250-count bottle gives around eight months of use before a refill.
Specifications
| Brand | Vitamin |
|---|---|
| Form | Tablet |
| Supplement Type | Potassium |
| Count | 250 |
| Flavor | Unflavored |
| Benefits | Metabolism |
| Diet | Vegetarian |
How it compares
This product against the closest alternatives we track in potassium.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Vitamin World Potassium 99 mgThis product | 4.6 / 5 | 90 | 4.0 / 5 |
| NOW FOODS Potassium CitrateNow | 4.7 / 5 | 22,400 | 4.6 / 5 |
| Nature Made Potassium Gluconate 550 mgNATURE | 4.7 / 5 | 15,900 | 4.6 / 5 |
| Nutricost Potassium Citrate 99mgNutricost | 4.7 / 5 | 14,800 | 4.6 / 5 |
| NaturalSlim Natural Potassium Citrate Gluconate 99 mgNaturalSlim | 4.8 / 5 | 13,600 | 4.7 / 5 |
Similar potassium from other brands
Questions about the Vitamin potassium
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How much potassium is in each caplet?
99mg of potassium gluconate, the standard OTC potassium level.
How long does the 250-count bottle last?
At once-daily dosing it covers roughly eight months.
Is it vegetarian?
Yes, the caplets are labeled vegetarian and gluten-free.