supplements
Lemme
A celebrity wellness brand with a genuinely advanced cart — a gift threshold, routine bundles, and per-item subscribe already live on Rebuy. The CRO gaps aren't monetisation; they're a hero that says nothing, an empty drawer that opens uninvited, and three different subscription discounts fighting each other.
supplements
AG1
I tore AG1 down on the phone, where 90%+ of its traffic lands — and the page that does all the selling hides its best asset. The €87→€67 first-order stack sits a quarter of the way down a 16,000px scroll, behind a carousel that can't add to cart, with no sticky buy button to bring intent back.
beauty & skincare
Glossier
A genuinely strong mobile beauty build — sticky shipping bar, thumb-reachable buy box, Afterpay, real bundle machinery. The conversion leaks are all about order and timing: an email wall owns the first screen, the AOV modules sit miles below the buy box, and the cart goes silent the second it tells you you are short of free shipping.
beverages (canned water) & merch
Liquid Death
On mobile, where almost everyone lands, the buy box for the flagship water hands the high-AOV 12-pack straight to Amazon — so the owned store never sees the order, the customer, or the repeat. The brand voice is brilliant; the conversion architecture leaks margin off-site.
supplements
IM8 Health
A premium, authority-heavy brand that does proof better than almost anyone — and already upsells in the cart. The CRO opportunity isn't credibility; it's decision load and a marathon product page that buries its best value.
supplements
Spacegoods
A vibrant, well-monetised store — strong brand, subscription-first buy box, and a cart that already upsells. The conversion gaps are ordering and hierarchy — what the first screen says, and how far the proof sits from the decision.