The hidden reason your high-protein diet may be making you feel fatigued, foggy, and off

by Adrienne Erin

Have you ever committed to a high-protein diet, expecting to feel energized and strong, only to be met with nagging fatigue, digestive issues, or even brain fog? You’re eating all the “right” things—plenty of meat, dairy, and maybe even whey protein shakes—but something feels off. There’s a crucial nutrient deficiency you need to know about, one that can cause energy dips, poor digestion, and headaches. Once you address it, these problems can vanish. The issue isn’t the protein itself, but a tiny, overlooked mineral that plays a massive role in how your body processes it. Once you understand this connection, everything will click into place.

Most people don’t realize that