In 1974, Extra Crunchy Jif was introduced, followed by Simply Jif in 1991, a peanut butter variant with low sodium and less sugar than regular Jif. Reduced Fat Jif was introduced three years later ...

Reduced-fat peanut butter (like Skippy, Jif) typically contains stabilizers and emulsifiers to prevent separation, so refrigeration is less important than it is with natural peanut butters.