SunnyD, formerly known as Sunny Delight, is a brand of orange-flavored drink. Despite its marketing, it is typically not a pure juice and contains added sugars and other ingredients. The speaker recalls consuming it in childhood, believing it to be a healthy source of vitamins, but now recognizes its high sugar content and potential negative impact on blood glucose levels.
I used to drink Sunny Delight thinking I was putting all these amazing vitamins in my body and now I actually look back and regret it
""The speaker mentions Sunny Delight as an example of a drink he consumed in childhood, believing it to be healthy, but now understands its negative impact on glucose levels, comparing it to orange juice and expressing regret over its consumption."