Multivitamins

A category alone does not say what you want the product to do. The same category can lead on sleep for one shopper and stress for another, and the evidence behind each pick differs. Picking the medical outcome first lets DoseRank rank this category's products against that outcome's studies and doses.

No. Dose-fit rewards landing inside the range studied for the outcome — over-dosing (common with melatonin) or under-dosing both lower the score. The goal is the effective dose, not the biggest number.

The Value score compares a product's price per serving with clinically relevant products ranked for the same outcome. A score of 50 is the typical price; above 50 means better value than typical, while below 50 means the product costs more than typical. It is a 0–100 value signal, not a percentile.

Cost is only one input. A cheap pick can trail on the composite when it uses a weaker form, misses the studied dose, or carries a stock-risk flag — the composite also weighs evidence, dose fit and availability.

Retailer links may be affiliate links and DoseRank may earn a commission. Rankings and placement are determined by the scoring model only — never by payment from a brand.

No. DoseRank summarizes evidence to help you choose; it is not a substitute for a clinician, especially if you are pregnant, breastfeeding, on medication, or managing a health condition.