You would need enough salt to make a brine to noticably affect the boiling temperature. It takes about 30 grams of table salt per liter of water to raise the boiling temperature of water to 100.5 Celsius at sea level.. The only difference you would actually notice is your food is now inedible because you have used an entire restaurant table shaker of salt in your food.
My dog gets riled up when you give her a carrot as a treat. The kids aren’t bouncing off the wall because candy gave them a bunch of energy, they are bouncing off the wall because they are excited about the treat they have received.