Pink HImalayan Salt has many health benefits as well as many metaphysical uses.   Metaphysical uses include:
 Dispells Negative Energy
Cleanses Magical Items (Crystals, tools, etc)
Great for spell work
Protection from Negative Energy for home or person
 
Health benefits include:
Removing Toxins
Balancing your electrolytes
Prevents muscle cramping
Improving circulation and regulating water content in your body
Relaxing and cleansing