Andreas Weimann put the hosts in front, scoring either side of the break, but a Chicharito double and a Ron Vlaar own goal helped the Red Devils turn the game on its head.
But Lambert believes his side performed well against Sir Alex Ferguson’s men, feeling they were unfortunate to come away with nothing.
“I’m absolutely gutted to lose because we gave everything we had.” he told reporters.
|9/4||Aston Villa are 9/4 to be relegated with Paddy Power|
“I couldn’t ask for anything more from them. They do that week in, week out, and I’m really proud of what they’ve given me.”
The Midlands side have won just twice in the Premier League so far this season, but Lambert is confident that performances are improving.
“I think we’ve been playing well for a couple of weeks now, so hopefully the confidence will be in abundance after that. They’re a really young side but they’re playing very well.”