In 2015, a senior official of a leading food supplement brand owner, told Drugstorenews.com that «by far the largest source of growth for the category is the gummy delivery form, growing at a plus 20% rate […]». We've attended a professional conference recently where this trend was backed up by current 2017 Nielsen Data.
Here's a link (pdf, 1.4 MB) to the 2015 OTC Category Review Report of drugstorenews.com.
And here's a picture of a slide presented at a recent professional conference. The source of data was reported to be: 4 year CAGR; Nielsen latest 52 Wks - W/E 07/15/07.