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4 Science-Backed Supplements I Swear By for Better Focus, Health, and Performance

Boost your mind, body, and energy naturally with these proven supplements

Sean Barker, CPT, PN2
In Fitness And In Health
6 min readJan 29, 2025

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Photo by Supliful - Supplements On Demand on Unsplash

What if I told you there’s a way to unlock your brain’s potential, boost your focus, and power through your day like Bradley Cooper’s character in Limitless — minus the sketchy side effects of a magic pill?

As a busy family man, writer, and wellness coach, I’m always exploring strategies to optimize focus, health, and performance naturally — not just for myself but for my clients. Throughout my career, I’ve discovered a few supplements that truly make a difference.

While I can’t promise superhuman genius or overnight success, these four science-backed supplements can give you a noticeable edge in focus, health, and performance. Whether you want to crush a workout, enhance your focus at work, or manage stress and anxiety, these supplements have become staples in my routine.

Let’s dive into why they work and how they might benefit you.

: Always consult your healthcare provider regarding using any medications or supplements to ensure they align with your individual health needs.

1. L-Tyrosine: The Focus & Brain Booster

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In Fitness And In Health
In Fitness And In Health

Published in In Fitness And In Health

Medium’s largest collection of science-based and experience-backed insights for a fitter, healthier, and happier you.

Sean Barker, CPT, PN2
Sean Barker, CPT, PN2

Written by Sean Barker, CPT, PN2

Award-winning fitness coach and best-selling author of The Easy Eating Diet and cookbook. Apply for Online Custom FIT Coaching here: https://bit.ly/3wzBhHH

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