LD Carlson 6012A Potassium Metabisulfite 2 oz.
- Potassium
- Potassium
- 1
Despite the supplement category label, this LD Carlson product is a winemaking and brewing chemical, so shoppers here for nutrition should look elsewhere.
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How it ranks among the 93 potassium we track
4.6★ across 268 Amazon ratings, Bayesian-smoothed toward the category average.
268 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
300+ 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
This 2 ounce LD Carlson product is potassium metabisulfite, a home winemaking and brewing chemical used for sanitizing and preserving, not an ingestible dietary supplement despite its placement here.
LD Carlson is a home winemaking and brewing supply brand, and potassium metabisulfite is a standard additive in that hobby, used to sterilize equipment and inhibit wild yeast, bacteria, and oxidation in must or wort. The category label attached to this listing is misleading. Nothing in the title, brand, or model points to a product intended for consumption at dietary doses.
- 2 ounce container
- Model 6012A
- LD Carlson winemaking brand
- Sulfite based sanitizer and preservative
Who it's for
Fits home winemakers and brewers who need a sulfite-based sanitizing and preservative agent for their equipment and batches. Not relevant to anyone browsing for a dietary potassium supplement, despite the category placement.
Strengths and trade-offs
Drawn from this product's published specifications.
- Standard sulfite sanitizer for home winemaking
- 2 oz size suits multiple hobby batches
- Familiar LD Carlson brewing brand
- Miscategorized as a dietary supplement on this listing
- Not intended for direct consumption
- No usage instructions included in the data
Performance notes
In winemaking, potassium metabisulfite releases sulfur dioxide when dissolved, which sanitizes equipment and suppresses unwanted microbial activity in must or wort before fermentation. The 2 ounce quantity is a typical hobbyist size, treating several small batches rather than commercial volumes. It is not formulated or dosed for ingestion as a nutritional supplement.
Specifications
| Brand | LD |
|---|---|
| Model | 6012A |
| Supplement Type | Potassium |
| Count | 1 |
How it compares
This product against the closest alternatives we track in potassium.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| LD Carlson 6012A Potassium Metabisulfite 2 oz.This product | 4.6 / 5 | 268 | 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 LD 6012A
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is LD Carlson potassium metabisulfite a dietary supplement?
No, despite its placement in a supplements category here, it is a sulfite based sanitizer and preservative used in home winemaking and brewing.
What is potassium metabisulfite used for in winemaking?
It sanitizes equipment and inhibits wild yeast, bacteria, and oxidation in must or wort before fermentation.
How much does the LD Carlson 6012A container hold?
It comes in a 2 ounce size.