Check the expiration or use-by date
Look for mold on the surface or around the lid
Discard it if it has a sour, rotten, or unusually sharp smell
Throw it out if the texture is very watery, slimy, or curdled
Do not eat it if the color has changed or there are pink, green, or black spots
Toss it if the container is swollen, leaking, or damaged
Avoid it if the taste is off, bitter, or excessively sour
Discard it if it has been left unrefrigerated for more than 2 hours
Throw it away if the seal was broken before opening
When in doubt, do not eat it