HyperMax XT is solid. I would start with a single scoop and then work my way up to a full scoop. more than that is not needed. A single scoop provides 325 mg of caffeine, l-tyrosine for focus and eria Jarensis. EJ extract causes a potent, albeit brief release of catecholamines (dopamine, adrenaline, and noradrenaline), which induce a slight state of euphoria. Combine that with caffeine and you get nice, clean energy and feel like the best thing in the world!
Additionally, you're looking at 4 grams of L-Citrulline, 2 grams of HydroMax and 1 gram of agmatine all of which are full doses and provide a great pump and vascuarity. It is hard to find a high stim pre workout that also has a full dose of pump inducing ingredients.
HyperMax XT is also keto friendly. Some people will count hydromax towards their carb intake and some do not. At two grams, it will not make you leave your state of ketosis.