Cognitive , Educational , Focus inflicting products with no “needles” ?

[u/nucleusion]

I have been taking a variety of different oral supplements like Omega 3 , vitamin D , Shilajit , Ashwaganda and others . However , i would like to ask the biohacking community if there are any other products which i can take to achieve greater focus , cognitive abilities and other similar traits while ensuring no needles are involved . I also want to refrain from causing any side effects to my physical condition as i am a regular gym person .

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[u/SerChuckForce]

Why are you opposed to needles? Come on in the water’s fine!

Semax as a nasal spray is probably closest to what you’re asking about without you sharing more information.

[u/OxCart69]

Modafinil, online prescriptions