Real Dosing

Supplement labels tell you the price. We tell you what you're actually paying per dose.

Two identical bottles of vitamin C can cost 3x apart depending on the retailer. Two identical bags of the same protein powder, from the same brand, can cost 5x apart per gram depending only on the size of the bag. And some categories — omega-3, creatine — let labels report a compound weight that doesn't even tell you how much of the actual active ingredient you're getting. We price every product from real FDA DSLD label data against real, spot-checked retail prices, normalized to $ per unit of active ingredient — not $ per bottle.

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From the blog

July 20, 2026

Same product, same brand, 5.6x the price — just from buying the smaller bag

We went looking for the biggest source of price distortion in our supplement dataset, expecting it to be brand markup or a shady ingredient form. Instead, the largest and most reproducible effect turned out to be something much dumber: container size. BulkSupplements sells the exact same casein protein powder — same formula, same brand, same serving size — in three container sizes on the same product page, and the smallest bag costs 5.6x more per gram of protein than the largest one…

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All 6 categories, priced and normalized

Omega-3, creatine, vitamin D3, vitamin C, calcium, and protein — each with a sortable table priced by $ per unit of active ingredient, not $ per serving.

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