Last updated: July 2026
In Ayurveda, drinking water stored in a copper vessel is called tamra jal, and it has been practiced for thousands of years. Traditionally, copper water is believed to support digestion, balance the body's three doshas, support the immune system, and promote skin health and overall vitality. Modern nutrition adds that copper is an essential mineral and that copper is naturally antimicrobial, which helps keep stored water clean.
What tamra jal means
Tamra jal simply means "copper water": water that has been stored in a copper vessel, traditionally overnight, so it takes on copper's properties. It is one of the oldest wellness practices in the world, rooted in Ayurveda, the traditional medicine of India, and it is the reason copper drinking vessels have been made and used across the Indian subcontinent for millennia.
The traditional Ayurvedic benefits
In Ayurvedic tradition, copper water is associated with:
- Supporting healthy digestion.
- Helping to balance the three doshas (vata, pitta, and kapha).
- Supporting the immune system.
- Promoting skin health and a natural glow.
- Supporting overall energy and vitality.
Where tradition meets modern science
Some of these benefits line up with what we know about copper today. Copper is an essential mineral your body uses for energy, connective tissue, and antioxidant defense, and a copper vessel provides a small, safe daily amount. Copper is also well documented as naturally antimicrobial, which is likely why ancient cultures found that water stored in copper stayed cleaner. To get these benefits, the vessel has to be genuine, solid, uncoated copper. CopperWater bottles are handmade in India from pure solid copper, in the tradition where this practice began.