Blog
Data-driven analysis of the supplement industry.
How Many Supplements Still Contain Titanium Dioxide?
We scanned 116,409 supplement labels for titanium dioxide — banned as a food additive in the EU since 2022, still widespread in the US. Here is what we found.
Apr 16, 2026Best Magnesium for Sleep in 2026: What the Labels Actually Show
There are more than a dozen forms of magnesium on the market. Only a few have evidence relevant to sleep — and most labels don't tell you which form they use. Status: Published
Apr 16, 2026Vitamin D2 vs D3: What Your Label Should Say
Not all vitamin D is the same. D3 is significantly more potent at raising blood levels than D2 — but many labels don't tell you which form you're getting.
Apr 16, 2026Proprietary Blends: What Your Supplement Label Is Hiding
A majority of multi-ingredient supplements use proprietary blends that hide ingredient amounts. Here's why that matters and how to spot them.
Mar 28, 2026We Analyzed 116,000 Supplement Labels — Here's What We Found
A data-driven look at dosage transparency, filler ingredients, and label quality across the entire US supplement market.
Mar 28, 2026FDA Recalled 574 Dietary Supplements — Here's What They Had in Common
Analysis of FDA enforcement actions against supplement companies. What patterns emerge?
Mar 28, 2026Which Supplement Brands Have the Cleanest Labels?
We ranked 5,790 brands by formulation cleanliness. The results may surprise you.
Mar 28, 2026The Most Common Fillers in Dietary Supplements
Magnesium stearate, silicon dioxide, titanium dioxide — how prevalent are they, and should you care?