Kosher Salt vs Epsom Salt: Which Salt Is Better?
Choosing between Kosher Salt and Epsom Salt depends on your cooking style, flavor preferences, and intended use. This comparison breaks down every difference so you can make an informed decision. We analyze origin, mineral content, taste profile, grain options, price, and best applications for each salt.
Side-by-Side Comparison
| Feature | Kosher Salt | Epsom Salt |
|---|---|---|
| Origin | Manufactured worldwide (major brands: Morton, Diamond Crystal) | Originally from Epsom, Surrey, England; now manufactured worldwide |
| Color | Pure white | White, translucent crystals |
| Type | Refined coarse-grain salt | Magnesium sulfate heptahydrate (not sodium chloride) |
| Harvest Method | Mined or evaporated, then processed into large flat flakes | Synthesized from magnesium, sulfur, and oxygen or mined from natural deposits |
| Taste | Clean, pure salt flavor without bitterness or mineral overtones. Dissolves cleanly. | Extremely bitter. Not used as a food seasoning. |
| Grain Sizes | Coarse flakes (varies by brand) | Fine, Medium crystals, Coarse crystals |
| Price Range | $2-5 per pound | $1-5 per pound |
| Best For | Everyday cooking, Seasoning meat, Koshering process, Rimming cocktail glasses | Bath soaks for muscle relief, Garden fertilizer, Foot soaks, Beauty treatments, Constipation relief (medical grade only) |
| Trace Minerals | 5+ | 3+ |
| Sodium (g/100g) | 38.3 | N/A |
Key Differences
Origin & Harvesting
Kosher Salt comes from Manufactured worldwide (major brands: Morton, Diamond Crystal) and is mined or evaporated, then processed into large flat flakes. Epsom Salt originates from Originally from Epsom, Surrey, England; now manufactured worldwide and is synthesized from magnesium, sulfur, and oxygen or mined from natural deposits.
Taste Profile
Kosher Salt: Clean, pure salt flavor without bitterness or mineral overtones. Dissolves cleanly. Epsom Salt: Extremely bitter. Not used as a food seasoning.
Price Comparison
Kosher Salt typically costs $2-5 per pound, while Epsom Salt ranges $1-5 per pound.
About Kosher Salt
Kosher salt gets its name not because it is certified kosher (most salts are) but because its large, flat crystals are ideal for the koshering process of drawing blood from meat, as prescribed by Jewish dietary law. It became popular with American chefs in the late 20th century for its easy-to-pinch texture.
Best for: Everyday cooking, Seasoning meat, Koshering process, Rimming cocktail glasses.
Read full Kosher Salt guide →About Epsom Salt
In 1618, a farmer in Epsom, England discovered that his cows refused to drink from a certain mineral spring. The bitter water was found to have healing properties and Epsom became a spa town. The mineral was identified as magnesium sulfate and named after the town.
Best for: Bath soaks for muscle relief, Garden fertilizer, Foot soaks, Beauty treatments, Constipation relief (medical grade only).
Read full Epsom Salt guide →Which Should You Buy?
Choose Kosher Salt if:
- +You need it for everyday cooking
- +You need it for seasoning meat
- +You need it for koshering process
- +You prefer clean, pure salt flavor without bitterness or mineral overtones
Choose Epsom Salt if:
- +You need it for bath soaks for muscle relief
- +You need it for garden fertilizer
- +You need it for foot soaks
- +You prefer extremely bitter