ViSalus, a nutritional supplements maker co-founded by Los Angeles-based, technology entrepreneur Ryan Blair, has filed for an IPO, saying that it is looking to raise up to $175M in an IPO. Exchange and other details of the IPO have not yet been set for the company, whose corporate name is FVA Ventures. ViSalus was co-founded by Ryan Blair, who also founded PathConnect, a Los Angeles social networking site; SkyPipeline, a broadband fixed wireless company in Los Angeles; and 24x7 Tech, a technology support firm in Los Angeles. ViSalus is based in Troy, Michigan. Blair is CEO, and remains in Los Angeles.