Though the normal usage method is to inject it into the blood vessels, Zhang Yanhang, ever since acquiring Heaven and Earth Devourer, has completely stopped using it in the conventional way. After all, no matter the method, as long as he swallows everything into the Stomach Space, it can function normally, or even unusually well under the influence of related bonuses.
Zhang Yanhang remembers the reaction was rather intense the first time he used the T Virus Enhancing Potion, as it illuminated his blood vessels with fluorescent blue, which could be described as physically exposing his blue veins, and he also felt a warm sensation in his body at that time.
