The present invention relates to a flavor system comprised of plant-derived sweeteners, including from Stevia rebaudiana and Thaumatococcus danielli, that when added to a mixture of L-Tyrosine, Acetyl-L-Carnitine, Alpha GPC, Huperzia Serrate PE, Phosphatidylserine, Vinpocetine, Vitamin B-12, Vitamin B-9, and Caffeine Anhydrous, neutralizes the bitterness of said mixture in aqueous form.