Boost your wardrobe’s IQ with our L-Theanine & Caffeine Nootropics T-Shirt. This design celebrates the legendary cognitive stack known for smoothing out the jitters and sharpening focus. Featuring bold, clean typography alongside a striking graphic of a brain-shaped lightbulb, it visually represents the ‘lightbulb moment’ of clarity biohackers strive for. Whether you are a software engineer debugging code, a student pulling an all-nighter, or a fitness enthusiast looking for pre-workout focus, this shirt speaks your language. It is not just a tee; it’s a statement about optimizing performance and mental acuity. This makes an excellent gift for the smart supplement user, science nerd, or anyone obsessed with productivity and brain health.