Pure asafoetida is fine to use, it doesn't smell bad, it doesn't give you stomach problems. You dilute it with the food you cook with it. It doesn't need it adulterated with flour and turmeric. Here is a good brand that I like, "Best Hing Ever". Hing is another name for asafoetida.

https://www.pureindianfoods.com/hing-asafoetida-powder-p/hin...