An expandable intervertebral implant is provided comprising a first adjusting element (20) and a second adjusting element (20) which are supported by a first support member (11) and a second support member (11), respectively, and which cooperate with the respective support member such that the engagement member (30,30) is reciprocally movable between a first end position wherein the engagement surface (34,34) does not project beyond the bottom face or the top face and a second end position wherein the engagement surface (34,34) at least partially projects outwardly beyond the bottom face or the top face, wherein the first and the second support members (11,11) are coupled by a coupling mechanism (15150,151160).
