Collection list
Bestsellers
About The Fit Nerd
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.
Got questions? We've got answers.
The most common things customers ask. For more, see our full FAQ page.
How fast will my order ship?
Orders ship from our US fulfillment center within 2–4 business days. Most customers receive their order within 5–9 business days of placing it.
Where are your supplements made?
All Fit Nerd supplements are formulated and manufactured in the United States with FDA-registered, GMP-certified partner facilities. We work only with manufacturers who can document third-party testing and ingredient sourcing.
Do you offer Subscribe & Save?
Yes — every product can be added on a recurring monthly delivery for 15% off the one-time price. You can pause, skip, or cancel anytime from your account.
What's your return policy?
30-day, no-questions-asked returns. If a product isn't working for you, reach out within 30 days of delivery for a full refund. We cover return shipping in the US.
Are these FDA approved?
Dietary supplements are regulated by the FDA but, like all supplements, are not FDA-approved as drugs. Our products are manufactured in FDA-registered facilities that follow GMP (Good Manufacturing Practice) standards.
Still have a question?
Reach our support team via the contact page. Average response time is under 24 hours.
Latest reads
From the journal
Mushroom Blends vs Single-Mushroom Supplements: Which One Should You Take?
Blend or single? Ten-mushroom stacks vs a targeted single-species extract. Here's what the research says about synergy, dose dilution, and how to pick what actually fits your goal.
Our Complete Guide to Subscribe & Save (and When It Makes Sense to Skip)
Subscribe & Save takes 15% off every recurring order. Here's exactly how it works on The Fit Nerd, when it saves you real money, and when it makes sense to skip.
Why We Don't Use Proprietary Blends (and Why You Should Care)
Proprietary blends let brands hide exactly how much of each ingredient you're getting. Here's what the label is really saying, why it matters, and why we refuse to use them.