Why Can't We Make a Good Salt Substitute?

The video discusses the unique properties of sodium chloride, commonly known as table salt, and the challenges in finding a suitable substitute. Sodium chloride's taste is linked to its ions, which interact with specific taste receptors. Attempts to replace sodium or chloride ions with alternatives like potassium chloride or lithium chloride have faced issues such as poor taste or toxicity. Ongoing research aims to find better salt substitutes.

What are some of the challenges associated with using potassium chloride as a salt substitute?

What was the outcome of using lithium chloride as a salt alternative?