The Scarlets suffered a six-try defeat to Saracens in their second LV=Cup Pool game at Allianz Park.
Flanker Matt Hankin, winger Jack Wilson, number eight Jackson Wray, hooker Jamie George, replacement left wing Nathan Earle and centre Tim Streather scored the Sarries tries.
England U20s scrum-half Ben Spencer contributed 17 points with the boot.
The Scarlets replied with a try by flanker Dan Thomas and five points from the boot of fly-half Josh Lewis.
Saracens: Ben Ransom, Jack Wilson, Tim Streather, Nick Tompkins, James Short, Charlie Hodgson, Ben Spencer; Jared Saunders, Jamie George, Petrus Du Plessis, Alastair Hargreaves (c), Mouritz Botha, Matt Hankin, Jacques Burger, Jackson Wray.
Replacements: Max Crumpton, Richard Barrington, Matt Stevens, Eoin Sheriff, Hayden Stringer, Neil de Kock, Nils Mordt, Nathan Earle.
Scarlets: Kristian Phillips, Frazier Climo, Steffan Hughes, Dylan Morgans, Chris Knight, Josh Lewis, Aled Davies; Rob Evans, Darran Harris, Ian Jones, Johan Synman, Richard Kelly, Lewis Rawlins, Dan Thomas, Rob McCusker (capt).
Replacements: Ryan Elias, Shaun Hopkins, Adam Jamieson, Jake Ball, James Davies, Gareth Davies, Aled Thomas, Aaron Warren.