Shelf life of the sachet (for 3 teaspoons/day) approximately 15 days Mate has satiating properties and an appetite-suppressing action that makes it a drink of choice as part of a dietary rebalancing. It is a thermogenic plant which means it helps burn fat. Several studies show that people who eat mate burn 23% more fat than people who don't! It is also rich in caffeine, vitamin C, magnesium, calcium, iron and polyphenols. Hibiscus helps lower blood pressure, maintain a good cholesterol level, prevent oxidative stress, obesity and the risks that accompany it.