Use of Ribotide (I+G) without MSG in Seasoning

I am using Ribotide without using the MSG in my seasoning preparations, Will this generate any umami taste in seasoning? Do ribote only boost the umami flavour…

I am using Ribotide without using the MSG in my seasoning preparations,
Will this generate any umami taste in seasoning?
Do ribote only boost the umami flavour of MSG or it itself has umami flavour also??

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