Even though nuts are a great snack (and can help with
weight loss) most roasted nuts are also salted, and salty foods can disrupt the delicate fluid-balance required for optimal workouts, Metsovas says.
"I'd avoid [high sodium foods] at all costs. Using a little bit of salt in your meals is OK, but stay away from the following foods: beef jerky, salted and roasted nuts, lunch meats, and processed snack foods like chips (you shouldn't be consuming these foods anyway)."