How Is Puravive Operational? Essentially, Puravive is made to specifically target BAT. "What on earth is brown adipose tissue?" one may wonder. It's not as hard as it seems, actually. Official Website : - https://www.moneycontrol.com/news/trends/health/puravive-weight-loss-support-reviews-united-states-australia-canada-30-capsules-does-it-really-work-11660171.html