Affiliate disclosure

MoodSupplement is a reader-supported site. Some of the links on our supplement pages are affiliate links — mostly to Amazon, and in some cases direct to a brand's own store (for example Sports Research, through the Rakuten Advertising network). If you click one of these links and make a purchase, we may earn a commission — at no additional cost to you.

As an Amazon Associate I earn from qualifying purchases.

Commission rates differ between programs. They do not decide our picks: every recommendation has to clear the published quality criterion on that product's page, and we say plainly when a product fails it.

We disclose this clearly because it's the right thing to do and because the FTC requires it. Affiliate links are labelled on the page and marked with rel="sponsored" in the underlying code.

Our promise

Earning a commission never changes what we write. Our evidence ratings, the cautions we include, and the supplements we choose to feature are decided independently of any commercial relationship. If a supplement carries a serious interaction risk, we say so prominently regardless of whether it might cost us a sale.