You’ve probably been storing it wrong all along.
So, does peanut butter need to be refrigerated?
The answer depends on what kind of peanut butter you have.

Credit:Caitlin Bensel; Food Stylist: Torie Cox
Here is everything you’re gonna wanna know about how to store peanut butter safely.
When it comes to peanut butter there are two main types: commercially produced and natural.
Natural Peanut Butter
Natural peanut butter, which does not contain stabilizers, should always be refrigerated.

Credit:Caitlin Bensel; Food Stylist: Torie Cox
Because the oils can separate, the peanut butter can go rancid more quickly.
Refrigerating natural peanut butter will help extend its shelf life and will also help with separation, explains Edwards.
How Long Does Peanut Butter Last?
This reduces chances of oxidation and extends the shelf life, Edwards says.
Once opened, natural peanut butter should be consumed in three to four months.
Does Peanut Butter Go Bad?
Yes, peanut butter can go bad.
Because it has a high fat content, peanut butter can go rancid, but its not particularly common.
How Long Will That Peanut Butter Last?.