Vi (formerly ViSalus Sciences)[2] is an American multilevel marketing (MLM) company based in Los Angeles, California, with offices in downtown Detroit, Michigan.

[4][5] Weight management products, including Vi-Shape meal replacement shake and Vi-Trim Clear Control Drink Mix, form the bulk of the company's sales.

[6] Vi was originally started in 1997 by Nick Sarnicola and Blake Mallen, two distributors with The Free Network, LLC, a telecommunications MLM company based in Troy, Michigan.

[3] After The Free Network folded in March 2005, Vi was purchased by wireless Internet developer Ryan Blair with investment from Ropart Asset Management, a private equity firm owned by Robert B. Goergen.

In September 2012, Moody's Investors Service downgraded Blyth's credit from "stable" to "negative,"[11] Vi reported extremely high growth rates in 2012, being audited at 450%, which made it one of the fastest-growing companies of its size.

[16] In October 2013, charges were filed in US Federal Court that Nick Sarnicola and Blake Mallen on behalf of Vi committed Racketeer Influenced and Corrupt Organizations Act (RICO) violations, engaged 3rd party individuals to commit criminal acts, extortion and other violations against Fred Ninow & Ken Dunn of Ocean Avenue.

[20] In 2012, CNBC Commentator Herb Greenberg said Vi walks "a controversial line between legal direct selling and pyramid scheme.

[7][22] In April 2016, a class action suit was filed against Vi, Robert Goergen Sr., Todd Goergen, Nick Sarnicola, Blake Mallen and Ryan Blair in the United States District Court for the Eastern District of Michigan alleging racketeering and fraudulent pyramid scheme selling of distribution rights.

[24] Weight-management products, including Vi-Shape meal replacement shake, Vi Go Instant Energy and Vi-Trim Clear Control Drink Mix, form the bulk of the company's sales.