Multi-level marketer Shaklee loses endorsement of Harvard professor – Bloggingstocks.comThe Wall Street Journal reports (subscription required) that Harvard Medical School professor David Sinclair has resigned from the board of Shaklee, a company that markets Vivix Cellular Anti-Aging Tonic, “the world’s best anti-aging supplement Harvard Anti-Aging Researcher Quits Shaklee Advisory Board – Wall Street JournalA prominent…