MSG's really hard to avoid...it's in soy sauce, oyster sauce, chicken bullion powder and whatever i haven't checked yet
Btw here's the ingredients list I found for massivore. No msg.
Fish meal, krill meal, starch, fish oil, wheat flour, dried seaweed meal, spirulina, brewer's dried yeast, dried Aspergillus niger fermentation extract, astaxanthin, canthaxanthin, DL-methionine, L-lysine, Vitamin A oil, Vitamin D3 supplement, Vitamin E supplement, menadione sodium bisulfite complex (source of Vitamin K), choline chloride, L-ascorbyl-2-polyphosphate (stabilized Vitamin C), inositol, calcium pantothenate, riboflavin, thiamine mononitrate, pyridoxine hydrochloride, niacin, folic acid, biotin, vitamin B12 supplement, ferrous sulfate, magnesium sulfate, zinc sulfate, manganese sulfate, cobalt sulfate, copper sulfate calcium iodate.
Source:
http://www.fosterandsmithaquatics.com/product/prod_display.cfm?pcatid=16872
MSG is in hikari bio-gold, shrimp cusine, sinking cichlid gold, micro pellets,