Klopp has hit the headlines with his feisty reaction to comments ex-Liverpool star Didi Hamann made on talkSPORT.
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He sarcastically said Hamann was a 'fantastic source' and the former Reds midfielder had no right to make claims like his old club needed a spark.
Lambert, who spent one season at Anfield, joined talkSPORT Breakfast on Wednesday morning ahead of the club's Champions League clash with Rangers.
Host Laura Woods asked: "Rickie, are you concerned about what you say in case Jurgen Klopp says you have no right to have an opinion?"
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Lambert joked: "I'm concerned if Klopp has a go at me definitely!"
The former striker did offer a balanced view on the current situation at Liverpool, backing Klopp to turn things around.
He continued: "There are a few reasons why we are struggling at the minute. They are still feeling last year with the amount of games played.
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"We've had a few injuries. Klopp has even admitted it now that we should have strengthened in the midfield.
"That's why we are struggling at the minute. The energy isn't there and the defenders are not getting as much protection.
"I think there's reasons why we are struggling, but I'm more than confident Liverpool will come good sooner or later."
The midfield has been the an issue raised as a position of serious need for Liverpool, but Lambert admitted his old club cannot go and spend like Man City can.
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He added: "I said last time that I trust in the way Liverpool do it. I said if we could get any player then it would be a midfielder and Bellingham would be top of the list.
"But we are not Man City, we cannot do that. We have to trust in the process. Man City are Man City.
"We've gone above and beyond to compete against this team, this squad and this manager.
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"Eventually you are going to have natural dips. We have to rebuild, maybe strengthen in the areas we've said.
"We can't do it as often as we like, but we come again maybe next year or the year after.
"I'm still hoping we are strong in the cups, but we are out of the league this year."
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