Rock Salt (Sendha Namak or Halite) Benefits & Uses

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Rock Salt (also called Sendha Namak in Hindi and Saindhava Lavana in Sanskrit) is naturally occurring mineral form and isometric crystals of Sodium Chloride. Its color can vary according to a variety of impurities present in it.

The best form of Sendha Namak used according to ayurveda is white or colorless. However, red pinkish rock salt is also used, which is also called Himalayan Salt. White and Pink varieties are best for regular use in cooking. Ayurveda divides Sendha Namak into two main varieties including White Sendha Namak and Red Sendha Namak. Both are good for health and used in ayurvedic medicines.

All other forms of rock salt including dark or light blue, pink, purple or red, gray, black, orange and yellow are not considered best form of Sendha Namak. Black salt or KALA NAMAK is also a type of rock salt, which it contains sulfur content in addition to sodium chloride. According to ayurveda, it is second best salt for using in food after white Sendha Namak.

What is Rock Salt and chemical composition of it?

Rock salt is a mineral form and is isometric crystals of Sodium Chloride. It may also contain other elements like magnesium, potassium, manganese, iron, zinc etc. Mined rock salt is suitable for human consumption.

However, it is significant low in iodine, but it contains a fair amount of trace minerals, which makes it perfect for eating in regular diet.

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Because it is low in iodine, so we suggest our patients eating Sendha Namak mixing with Iodized salt for maximum health benefits. You can mix both salts in equal proportion and use it in preparing food.

Medicinal Properties

Rock salt (Sendha Namak) has following healing properties.

  1. Antacid
  2. Anti-flatulent
  3. Expectorant
  4. Hematogenic
  5. Carminative
  6. Digestive Stimulant
  7. Antioxidant (due to trace minerals)
  8. Anti-inflammatory (mild action)

Therapeutic Indications

Sendha Namak is used in preparing various ayurvedic medicines used for following diseases.

  • Acidity
  • Stomachache
  • Abdominal cramps
  • Gas
  • Flatulence
  • Abdominal Distension
  • Bloating
  • Fat burner

Rock Salt Health Benefits

Rock Salt is used as supportive ingredient in ayurvedic medicines, which are mainly beneficial in digestive ailments. Here are some main beneficial effects.

Loss of appetite

Rock Salt has digestive stimulant properties, which might be due to its trace minerals. It promotes digestion and improves appetite.

In ayurveda, Sendha Namak is used with black pepper, ginger, long pepper and cinnamon for improving appetite.

Acidity, Heartburn & Ulcers

Rock Salt is antacid, so it decreases the acid production in the stomach. It also prevents acid reflux, which may result in heartburn.

In ayurveda, Sendha Namak is used with saunf (fennel seeds), coriander powder and cumin seeds for reducing acidity in the stomach and improving digestion.

Gas, Flatulence & Abdominal Distension

Rock Salt has anti-flatulent property, which helps reducing intestinal gas, flatulence and abdominal distension.

For this purpose, using rock salt with garlic paste is best. You can also eat a slice of ginger sprinkled with rock salt for reducing abdominal distension.

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Low blood pressure

Everybody knows salt helps in raising blood pressure. You can also use rock salt for this purpose. In low blood pressure, you can take a half teaspoon of rock salt in a glass of water. You may require taking this remedy twice a day.

Weight loss

According to ayurveda, rock salt is fat burner. It improves metabolism in the body inhibits cravings for foods. The fat burner effect of rock salt is due to trace minerals present in it. However, its effect on eliminating fat is not significant, but you can use it as supportive therapy in weight loss. It also helps removing dead fat cells.

Supportive therapy in inflammatory diseases

However, rock salt may not have significant anti-inflammatory effects, but it can boost other anti-inflammatory herbs action in the body. Therefore, you can use it as supportive therapy in rheumatic arthritis and inflammatory skin diseases.

Intestinal worms

Rock salt assists other anthelmintic medicines to eliminate worms from the intestines. In ayurveda, Vidang is commonly used along with rock salt for this purpose.

Rock salt water gargling

Gargling with rock salt water helps relieving sore throat, soothing the throat in dry cough, reducing phlegm in productive cough, reducing inflammation and swelling of the throat.

As a supportive therapy, it can also be good for patients with asthma, bronchitis and frequent upper respiratory tract infections.

FAQs about Rock Salt or Sendha Namak

Is rock salt potassium sulfate?

Rock salt is Sodium Chloride. It contains about 98% of Sodium Chloride and about 2% other trace minerals. Therefore, it is not potassium sulfate (K2SO4). Rock salt contains small amounts of potassium, magnesium, zinc, iron and other minerals.

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Does rock salt contain iodine?

Rock salt is significantly low in iodine, so it may not replace your iodized salt. Due to abundant of health benefits that rock salt has, you can use it mixing with iodized salt in equal proportion in your food.

Can Sendha Namak (Rock Salt) help to control high blood pressure?

Sendha Namak (Rock Salt) also contains about 98% Sodium Chloride, so it may not help controlling high blood pressure. It may have similar effects on blood pressure as common salt has.

However, Rock Salt also contains trace minerals like magnesium, potassium, zinc, iron and other minerals, but the amount of these minerals is insignificant to control blood pressure. However, it is considered better for hypertensive patients when taken less than 3.5 grams per day due to complexity of salt and its minerals.



11 Comments
  1. Nur says

    It is widely propagated by different ayurvedic practitioner that consuming rock salt does not increase blood pressure. What is the original fact regarding this?

    1. Dr. Jagdev Singh says

      1. Rock Salt also contains about 90% Sodium Chloride, so it does definitely have same effect on blood pressure as common table salt has.

      2. It helps people having low blood pressure when taken more than a half teaspoon i.e. about 3 grams (may require twice a day). However, its effects are less than common salt due to impurities and other minerals found in it.

      3. It does not affect your blood pressure in normal dosage i.e. less than 3 grams per day. Therefore, we recommend using Sendha Namak to hypertensive patients.

  2. SUNDARAM IYER says

    Very Valuable Informations given. Thanks

  3. NILESH says

    Send me news letter

  4. Santoshi Arun says

    Can we completely shift to rock salt or black salt instead of table salt?

    1. Dr. Jagdev Singh says

      Completely shifting to rock salt is not advisable because it contains lesser amount of Iodine as compared to table salt fortified with iodine.

      The most advisable way is mixing rock salt and table salt in equal quantity and using the mixture instead.

  5. Joshna rathi says

    But white salt is consider poison. So how we can have half white & half rock salt? Please reply Dr. Thanks.

    1. Dr. Jagdev Singh says

      Scientifically, white salt (Table Salt) is not poison if used within recommended amount (i.e. less than 3.5 grams per day for healthy individual). However, it can be toxic if iodine level exceed from the normal range in the human body.

      In India, many people are suffering with Iodine deficiency, so we cannot advise to stop it completely until if you are receiving sufficient amount of Iodine in your daily diet from other sources.

      Still the point is that this subject is very controversial, but many scientific evidences are in favor of Iodine deficiency and iodized salt as compared to claims against it. Until we get clear guidelines, we cannot declare to stop it completely. It will be your personal judgment and individual’s belief what you want to do. The choice is always in your hands.

      As per my personal opinion, I always prefer less processed and natural foods. Table salt is more processed and added with Iodine and somewhat fluoride. I am in favor of natural salt available in natural form like rock salt.

  6. Raj says

    Do all the packaged iodized salts in our country are sea salt and not rock salt?

    1. Dr. Jagdev Singh says

      Iodized salts packets available in the market are prepared from sea salt. They do not contain rock salt.

  7. Danesh says

    My son Chronic kidney failure can i use rock salt, any chance to recover

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