A Scientific Comparison: Table, Himalayan and Sea Salt

Salt is the most basic seasoning in the kitchen, but in recent years spice shelves have filled up with exotic salts in different colors and at high prices. Is there a health justification for the price?

1. Table Salt

The salt found in every home, usually extracted from underground salt mines.

• Composition: Almost 100% sodium chloride (NaCl). It goes through a thorough refining process to remove other minerals.
• Benefits:
  • Iodine: In most countries (including Israel) it is fortified with iodine, a mineral critical for thyroid function and for brain development in fetuses.
  • Price: The cheapest and available everywhere.
  • Texture: Uniform, fine grains that dissolve easily in cooking.
• Downsides:
  • Anti-caking agents: It contains chemical additives to prevent moisture absorption and clumping.
  • Refining: The processing removes every trace of other natural minerals.

2. Himalayan Pink Salt

Mined in Pakistan (near the Himalayas), it gets its color from iron oxides.

• Composition: It contains about 98% sodium chloride, and the rest is traces of 84 different minerals (iron, magnesium, potassium and more).
• Benefits:
  • Naturalness: Considered the purest salt, with no refining processes or chemicals.
  • Taste: A milder, less “sharp” taste than regular table salt.
  • Minerals: It contains a wide range of minerals (though in very tiny amounts).
• Downsides:
  • The health myth: To get a meaningful amount of its minerals, we’d need to eat dangerous amounts of salt.
  • Lack of iodine: It is usually not fortified with iodine, which may be a problem for people who don’t eat fish/seaweed.

3. Sea Salt

Produced by evaporating seawater (for example, Atlantic sea salt).

• Composition: Mainly sodium chloride, with traces of minerals depending on the water source.
• Benefits:
  • Texture: It usually comes in coarse, crunchy grains (fleur de sel) that add interest as a final seasoning (a “finish”).
  • Minimal processing: It undergoes less processing than table salt and usually contains no anti-caking agents.
• Downsides:
  • Microplastics: Recent studies have found traces of microplastics in many sea salts around the world due to ocean pollution.
  • Iodine: Like pink salt, it is usually low in iodine.

Nutritional comparison table (per teaspoon – 5 grams)

Summary and conclusions

In purely health terms, the differences are negligible. The tiny amount of minerals in Himalayan salt or sea salt won’t directly affect your health. The big advantage of table salt is its essential iodine. The advantage of Himalayan salt is the absence of additives. The advantage of sea salt is its texture and taste. Beyond these three, there is also one functional salt that clearly does change the flavor — Indian black salt (kala namak), whose sulfur aroma gives an egg-like taste. The best recommendation? Cut down on your overall intake of all of them.