They gave me a free one at the LBS on a ride one afternoon, and I hit like 15 Strava PRs between the shop and home-- after putting in nearly 50 miles before stopping at the shop. I was bouncing off the proverbial walls.
That's interesting to hear - I had a waffle from the same brand a while back:
And shortly after I dropped a friend who usually drops me. Not sure I want to know what they put into their products...