You can typically get this in most Asia shops, e.g.: https://goasia.net/onlineshop/sauce-oel-und-gewuerze/2728/mononatrium-glutamate/geschmacksverstaerker-200g-

You can typically get this in most Asia shops, e.g.: https://goasia.net/onlineshop/sauce-oel-und-gewuerze/2728/mononatrium-glutamate/geschmacksverstaerker-200g-ajinomoto https://goasia.net/onlineshop/sauce-oel-und-gewuerze/2728/mo...