Forget protein and fiber — here's the nutrient you may be lacking and how to get more

First, it was protein. 

Now, fiber is having a well-deserved moment as America's most sought-after nutrient.

But there may be another essential nutrient that is being quietly overlooked: omega-3 fatty acids.

"We're sticking with fiber right now, but there will be a year of the omegas," Steph Grasso, a Virginia-based registered dietitian and author of "Crave, Cook, Nourish," told Fox News Digital. 

THE COMMON PROTEIN MISTAKE PEOPLE MAKE AFTER AGE 50 THAT'S ACCELERATING MUSCLE...