You can even die from a water overdose, so you can certainly die from an umami overdose. For example, imagine a person who ingests 100 kg of umami - I'd bet eve

You can even die from a water overdose, so you can certainly die from an umami overdose. For example, imagine a person who ingests 100 kg of umami - I'd bet every penny I have that they won't survive. The lethal dose is somewhere between 1g and 100kg.