Used in various religions/cultures 
Black salt is believed to have several spiritual benefits, including:
1. Protection: Black salt is commonly used for protection against negative energies and evil spirits such as jealousy, hatred and envy… It creates a protective barrier that helps repel malevolent energies.
2. Cleansing: It is often used to cleanser and purifier from negative energy. Sprinkling black salt around the perimeter of a room whether it is home or business or adding it to a spiritual bath (1 teaspoon) can help remove any stagnant or unwanted energies.
3. Grounding: Black salt is associated with grounding and balancing energy. It can help bring stability to the mind, body, and spirit. Adding a pinch of black salt to your daily routine may help you feel more grounded and centered.
4. Banishing: Some spiritual practitioners use black salt to banish unwanted energies, entities, or influences. This can be done by sprinkling it around a space or creating a protective circle (counterclockwise) with black salt during rituals or ceremonies.
5. Absorbing negativity: Black salt is thought to have the ability to absorb negative energies. By placing a bowl of black salt in a room or carrying a small pouch of it with you, it is believed to absorb any negative energy or psychic debris in its vicinity.
6. Spiritual cleansing: Black salt can be used for spiritual cleansing of objects such as crystals..Placing these items in a bowl of black salt overnight can help remove any negative energies they may have picked up.
7. Nightmare prevention: By placing a small pouch of it underneath your pillow or bed will prevent nightmares so you can sleep peacefully.
Remember, these spiritual benefits are based on beliefs and practices from various cultures and spiritual traditions. It's always important to approach such practices with an open mind and respect for different beliefs.
Disclaimer: Statements regarding dietary supplements have not been evaluated by the FDA, and these products are not intended to diagnose, treat, cure, or prevent any disease or condition.