In my time outside my full-time marketing job, I play adult competitive tennis. It’s not very good to try downing a caffeine beverage (I’m an espresso drinker) before running off to play. So, discovering these have been a lifesaver and I recommend them to everyone! I was overjoyed to find the Elite Ops brand through Amazon. Then I started to order direct from EliteOpsEnergy.com. You really have a unique product, I can’t say enough good things about it! The efficacy is perfect, I love that it’s a sublingual, and that it contains no sugar! So much better than anything else on the market!