Pure drinking water has sufficient capacity to absorb minerals, trace elements, and electrolytes, transport them to the cells, and remove waste products from the intercellular tissue.

Contaminated water, which already contains foreign substances, can transport fewer substances to the cells and remove fewer waste products.

This is comparable to a wheelbarrow: If it’s already half full of construction debris, you can transport less debris. [This is how osmosis and reverse osmosis work]