meet aftershock

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meet aftershock *

Dopamine-friendly focus you can feel, without nicotine or caffeine crashes. Aftershock melts in your mouth to fuel focus, motivation, and calm energy, powered by Lion’s Mane, Cordyceps, and L-Theanine.

Stay sharp. Stay calm. Stay you.

Get Early Access

Red container labeled 'KILLJOY' with the subtitle 'Cognitive Clarity Supplement' on a red background, with text indicating it promotes calm focused energy, dopamine regulation, caffeine and nicotine-free, and boosts motivation.

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Benefits

Comic-style explosion graphic split into blue and yellow background with bold yellow text reading 'RAW ENERGY' in black outlines.

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Clean Focus powered by Lion’s Mane + Cordyceps
Without dramatic caffeine and nicotine crashes
Boosts memory and brain function
Beat nicotine and coffee withdrawals

Neurodivergent? Good. We built this for you.

KillJoy gives you the ritual you crave without the chaos.
Powered by functional mushrooms and nootropics. No jitters. No withdrawal. Just clean, confident focus that lasts.

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the killjoy effect

get to know some of the mushrooms working hard to keep you on track

Information about Lion's Mane mushroom benefits, including scientific backing and natural origin. Highlights include boosting focus, memory, and cognitive health; helping with ADHD, burnout, anxiety, and depression; reducing inflammation and stress; stimulating nerve growth; and supporting brain cell connections.

A reishi mushroom with informational text and icons describing its health benefits, including boosting immune system, managing blood sugar levels, aiding with fatigue and depression, improving heart health, and containing adaptogens that regulate stress hormones.

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Digital artwork of a woman with a large afro hairstyle, closed eyes, and her head tilted back, with vibrant color blocking and shading.

Young man with curly hair and closed eyes relaxing with hands behind his head, wearing a green ribbed turtleneck sweater in a studio setting.

Digital artwork of a black cat with yellow-green eyes, pink nose, and white whiskers, set against a vibrant background with yellow and green rays.

get notified

soft launching december 2025

hello@killjoy.co