If you’ve been researching muscle testing or personalized wellness approaches, you may have come across the term Nutrition Response Testing (NRT). Some people describe it as incredibly insightful, while others find it confusing or even controversial.

The confusion usually comes from how NRT is explained — not from how it’s used.

This article breaks down what Nutrition Response Testing is, how it fits into muscle testing, what it can and cannot do, and how we use it responsibly at EMS Health Miami as part of a structured, client-centered assessment process.