Why can you eat a food one day and feel fine, then react to the same food another day? The Full Glass explains why food may only be the final drop — and why cutting out more and more foods isn’t always the answer.

Are you feeling tired, foggy, or stuck—despite eating healthy? You might be under-eating one of your body’s most essential nutrients: protein. In this post, I’ll break down how much protein you actually need, why it matters for energy and healing, and what a typical day of balanced protein really looks like.