(Cover) - EN Star Style - Jennifer Anistons flawless appearance is down to an ancient herb, according to a report.

The American actress is renowned for her slim physique and shiny hair, which she maintains thanks to a healthy diet and fitness regime. Its been claimed the star had been struggling with low energy levels recently though, which were making exercising tough.

She was recommended the herb maca by a pal, and hasnt looked back since.

Jen was feeling down, sluggish and bloated a few weeks ago. But then her yoga teacher Mandy told her about maca, which is an ancient Peruvian herb. Jen didnt have the energy to work out at the time, but she followed Mandys recipe for Sunshine juice and she suddenly felt incredible, a source told Look. She claims that when she looked in the mirror later that day, her skin already felt tighter and clearer and she had this amazing glow. Shes been full of beans ever since!

Maca is high in fibre so boosts digestion and also helps control oestrogen, which can improve the appearance of skin.

It can be bought it many different forms such as a powder, which is easy to add to other foods or include in smoothie recipes. (C) Cover Media