This addon will show you if an Alt needs to consume a food/drink for an Achievement.
Currently tracks the following Achievements
 World Events / Darkmoon Faire / Fairegoer's Feast
 General Cataclysmically Delicious
 General / Drown Your Sorrows
 General / Pandaren Cuisine
 General / Pandaren Delicacies
 Professions / Cooking / Sencond That Emotion
Let me know if you find any that I missed.
The photo show what the addons does....
Bottled Winterspring Water requires level 35 to consume. Craugh is level 62 so his name is green. Sproach is level 55 so his name is green. Talvis is level 55 so his name is green. Kynlair is a level 80 toon, I was logged in as him so the name is blue. Quoc is only level 7 so his name is in red.