These types of sources will not ask survey questions specifically about GRIT Fitness. But they should have separate statistics on the industry trends, from which you can glean information to apply to your brand.
U.S. business-to-consumer market research & psychographics
Statistics & studies gathered by market researchers, trade organizations, scientific publications, etc
Loads of useful demographic data, either on a national scale or hyper-local.
Many types of articles can be helpful to you to discover consumer trends and needs for your brands. Use filters within any of the tools below to limit to a certain type:
You will likely not find many (or any) articles specifically about GRIT Fitness -- it is too small. However, think about other search terms and concepts related to the brand and industry:
Communication, linguistics, rhetoric, media, & more
Global, national, & regional news