Product check

What’s actually in your bottle?

Start typing the name on the label. We’ll read what’s in it, compare each ingredient against the research, and tell you which ones are there in an amount that has actually been shown to do something, which sit under it, and which are barely there.

Try:

Not listed anywhere? .

Once you know what’s in it

The label answers what you already own. These answer what to do about it.

Which form?

Not all magnesium is the same

When a label just says “Magnesium”, the form is the whole question. We compare the ones people actually buy.

Start from how you feel

Tired, achy, sleeping badly

Work the other way round — pick what you want to fix and see what has been shown to help, and what has been tested and failed.

Already checked

Bottles people actually buy

Popular products we’ve already read, panel by panel, against the research.

Start from a goal

Sleep better, think clearer

Every goal, with the evidence behind each supplement people take for it.

Comparisons people read most:

Which choline?Which magnesium?Which zinc?Which vitamin k?Which glucosamine?

Labels come from the NIH Dietary Supplement Label Database and other product databases. An ingredient we can’t vouch for isn’t an ingredient that does nothing — it means we haven’t found research we’d stand behind.