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About The Fit Nerd

Science-backed supplements for busy humans.

The Fit Nerd was built for people who train hard, work hard, and refuse to settle. We partner with FDA-registered, GMP-certified manufacturers to source clean, straightforward formulas — no fillers, no fluff, no proprietary blends.

If you're looking for transparency, consistency, and real performance support, you're in the right place.

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Latest reads

From the journal

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What Is Mushroom Coffee? Benefits, Taste, and How to Start

Mushroom coffee explained: less caffeine, real lion's mane and chaga science, and how to know if it deserves a spot in your morning routine.

Ashwagandha Benefits and Side Effects: What the Research Really Shows

Honest look at the clinical evidence for ashwagandha — what's well-supported (stress, sleep), what's still preliminary, and the safety caveats marketing copy ignores.

How Much Creatine Should You Take Daily? A Science-Backed Guide

The research-backed creatine dose is 3-5g per day. Here's why, whether you need to "load," and what to look for in a quality creatine monohydrate.