Mad Dog 357 Hot Sauce - Hottest Hot Sauce #1357 Mad Dog Hot Sauce - Hottest Hot Sauce #1.This killer sauce is packing 357,000 scoville units of heat. One hit will blow you away! We blend Chile extract, fresh Habanero peppers, 160,000 scoville super Cayenne peppers, garlic and onion to makes a sauce that can truly take your breath away. Mad Dog 357 is the hottest hot sauce ever made......any hotter and it can't be called a sauce! 5 oz.