Definitely feel the tingles with these and very convenient to take. Definitely helps with endurance based activity.

If there is any actual product in this it is a minute nearly non-existent amount. Too many fillers on the ingredient list. Brand reeks of generic disingenuous non-purity.

Designs for health is a great manufacturer. If i need a supplement they are my go-to brand. Taurine helps my brain stay strong and focused.