"more vitality" is a correct and usable phrase in written English.
It is an idiomatic expression, usually used to describe an increase of energy or enthusiasm. For example, "With the new owner's investment, the company had more vitality than ever before."
Anderson has more vitality and energy.
Was there ever more vitality or love of life in anyone?
Domingo Rubio was stern, and Calvin Kitten had more vitality and shape.
Haselhurst would like to introduce "more vitality, more topicality and more relevance" to proceedings.
Even in rehearsal, she's riveting, jogging around the space with more vitality than most people half her age.
She has nothing in common with him politically, but he loves her with more vitality than anyone ever has.
Employing ideas from scientists like Nikola Tesla (best known for his contributions toward modernising the use of alternating current), Van Tassel's structure creates an ionized environment that is believed to raise the cells' metabolic and reproductive rate and "reset" the positive and negative charges within individual cells, ultimately providing the body with more energy and vitality.
Plus, if you maximize nutritious foods, you'll have far more energy and vitality for the next several hours, which it sounds like you need.
Victor noticed that he had more energy and vitality than Elaine, who now had several chronic health problems, but he felt sure that all she needed was a "wake-up call" via some health crisis to convince her that it was time to take advantage of some of the amazing new medical technologies that would rejuvenate her and drastically extend her life.
While mistakes go with the territory in such a voluminous production, the bigger problem lies more in vitality than veracity.
He did so not by creating a lovable alien his Jew is a villain who connives at legal murder but by giving Shylock more theatrical vitality, quite simply more urgent, compelling life, than anyone else in his world has.
