My friend recommended this to me and it somehow changed my life. I was told that this product is also free of caffeine, and has a lot of health benefits. I'm not that good in describing it but I can refer you to a site he created after he discovered it. This site contained the details that somehow persuaded me to add this to my daily routine.
https://klinthealth.wordpress.com/2019/01/02/why-red-tea-is-better-than-green-tea/