The .Neuro. Gum Energy and Focus in Cinnamon flavor is a fantastic product, according to Kendra's video review. She received it for free with the Flip app and was impressed by the generous amount she received. The gum is sugar-free, gluten-free, vegan, and aspartame-free, making it a natural and healthy choice. Kendra described the taste as pleasant and spicy, with a quick wear-off. She mentioned that biting into the gum releases a powdery substance and a burst of cinnamon flavor. Kendra also noted the presence of natural caffeine, which added to the overall experience. She expressed her desire to try the gum in other flavors as well. Overall, Kendra had a positive experience with the .Neuro. Gum Energy and Focus, thanks to its natural ingredients and enjoyable taste.