Creativity inside simplicity is what I like and what stands out.
Will be used as a logo only, in some cases, for examples Instagram profile picture.
Keywords that you could search - Brain cognition, super human, human potential, health optimisation, equilibrium, performance, mitochondria, powerhouse, limitless.
"Biohacking is essentially the practice of changing our chemistry and our physiology through science and self-experimentation to energize and enhance the body. It's a broad definition, but that's also because the idea of “biohacking” is constantly evolving."
If you use fonts that require a license, confirm with the client they're ok with it. For licensing reasons, it is better to provide your client with information on how to acquire the font rather than providing the actual files.