India, April 19 -- Ashwagandha is a herb commonly used in Ayurvedic medicine. It is also known as Indian ginseng. A study published in the journal Nutrients revealed that the supplements boost brainpower. And what's particularly striking is that the improvement was noticeable just one hour after taking the supplement.

The researchers experimented on 59 healthy young adults, with an average age of 23. Over the course of one month, they took a 225 mg dose of ashwagandha daily, while the other group took a random pill that had no effect, as a placebo. Most importantly, the participants didn't know which supplement they were taking, whether it was the real ashwagandha or the placebo.

As expected, the participants who took ashwagandha demons...