Currently in the middle of a very successful international tour, it seems that no matter what Britney Spears does and how hard she tries to get her life back on track, she will continue to be plagued by rumors regarding her personal life. Following her public and extremely embarrassing meltdowns and even her incredibly amazing comeback in the good graces of the public, reports on Britney’s use of pills are building up again, as Fox News can confirm.

While talk of heavy drugs is not yet the case, word in the industry has it that Spears has reached such an advanced state of exhaustion that she has turned to pills to keep her energy levels up. Of course, supplements in themselves are harmless if administered according to instructions, but sources are saying that Britney is not doing that. On the contrary, she’s mixing them and taking more than what any doctor might prescribe, while also mixing them with Red Bull for a maximum effect.

“A family insider says Britney was caught by her conservator / dad Jamie Spears popping over-the-counter diet pills and washing them down with Red Bull before a performance on her Circus tour, reports gossip site Betty Confidential.” Fox News says. Apparently, the star has started to pop pills when she realized the Circus schedule was more than she could take, and that she needed some kind of assistance to make it through the intense and long rehearsal hours and countless dates.

“Britney was definitely trying to get high by taking too many diet pills and energy drinks. Jamie thinks the combination of the two is making her whacked-out and, causing her to lash out in weird angry rampages.” an insider reveals. Moreover, this is not all that is helping Spears stay alert for her concerts, the same spy claims. “Britney uses green-tea supplements, [Lab 88’s herbal ephedra-free] Metabo Speed XXX, Dexatrim and apple cider vinegar to control her weight and energy levels. She also pours those 5-Hour energy drinks into her Red Bulls.” the unnamed source explains.

A publicist for Spears was not available for comment at the time of writing. However, as fans must know, she is now seeing a new height with her career, currently performing in France and preparing to take Circus to Australia, where tickets for her concerts sold out in minutes and organizers had to add more dates on a short notice.