Original, first-party analysis of supplement value — built from real prices across our tracked US catalog, normalized to cost per active dose. Every study is reproducible and free to cite under CC-BY 4.0. No fabricated dosing, testing, or reviews — just the numbers.
For the same amount of active ingredient, the priciest supplements cost a median 7.3× — up to 30× — more than the cheapest.
30× widest gap
You pay up to 6.7× more per dose for the premium form (CoQ10: coq10 ubiquinone → coq10 ubiquinol) — often for a modest real difference.
6.7× premium
The big bottle (180+ servings) costs a median 91% less per serving than the small one — up to 97% for Caffeine. Beats any coupon.
91% median
Gummy vitamins cost a median 1.9× more per serving than pills — up to 4.4× for Calcium Citrate.
1.9× median
Every tracked nutrient ranked by its median cost per dose — the reference for what a fair price actually is.
All nutrients
Live: the biggest current bargains — deals priced furthest below their nutrient’s median cost per dose.
Updated daily
Our datasets are free to cite and reuse under CC-BY 4.0 with attribution to VitaminDB. Want a custom data cut (a specific nutrient, brand, or time window) or a comment for a story? Email [email protected]. See how we compute everything in our methodology.