How We Source Our Supplements: Inside The Fit Nerd's Manufacturing
Most supplement brands never tell you where their powder actually comes from. Here's how we source and manufacture ours — what FDA registration and cGMP really require, what third-party testing mar...
Collagen Powder vs Collagen Capsules: Which Is Actually Better?
Collagen powder vs capsules comes down to one thing almost nobody talks about: how many grams you actually get per serving. We run the dose math, the cost math, and the honest tradeoffs.
Why Grass-Fed Collagen Matters (and When It Doesn't)
Grass-fed collagen sounds premium, but does the source actually change your results? We break down what grass-fed sourcing affects, what it doesn't, and what matters far more than the label.
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.