Despite GNC, the vitamin-shop giant, announcing the closure of about 200 stores this year, vitamins and supplements are still a thriving market for at least one direct-to-consumer brand that’s releasing a new product today. Care/of, which was founded in 2016, is a monthly subscription box of vitamins and supplements. The company is releasing its second… https://www.adweek.com/digital/this-vitamin-startup-is-delivering-its-new-product-directly-to-consumers-in-nyc/