Does it need to be refrigerated?

Store in a cool, dry place. Refrigerate after opening.

Does it contain garlic?

Peter, I just looked at a couple of different Gochujangs on Amazon and these ingredients were listed: Important InformationIngredients : Corn syrup, Rice, Water, Red pepper mixed seasoning (Red pepper powder, Salt, Garlic, Onion), Red pepper powder, Salt, Isomaltooligosaccharide, Fermented soybean paste (Soybean, Salt, Seed Malt), Spirits, Contains 2% or less of yeast powder, Glutinous rice, Seed malt. CONTAINS SOYBEAN.Directions : Use to make yummy bibimbap or pork bulgogi. The usage is limitless!Legal Disclaimer : Actual product packaging and materials may contain more and different information than what is shown on our website. No garlic!

Does anyone know if this contains MSG?

Does not appear to, here's the ingredient list for Sunchang Gochujang: Corn syrup, rice, water, red pepper mixed with seasoning (red pepper powder, salt, garlic, onion), red pepper powder, salt, isomaltoogosaccharide, fermented soybean paste (soybean, salt, seed malt), spirits, contains 2% or less of yeast extract powder, glutinous rice, seed malt. *Contains: Soybean