Adults daily 3-6 grams of black wolfberry brewing water (i.e., daily consumption of 10-15 black wolfberry best. Qinghai region of the black wolfberry is about a gram of 3-5 grains, other places are a gram of more than a dozen grains are available. (Different regions are not the same, Qinghai's wild black goji berries are the largest and best quality)!

Black goji berries soak in water color will be different due to the PH value of the water and produce blue color or purple and other different colors, this is because the black goji berries are rich in very high anthocyanins. Tap water brewing blue (alkaline water), mineral water brewing purple (neutral water) direct drinking, brewing 5-6 times, black goji berries in the effective nutrients all leaching, until the water becomes white.

Note: bubble water for drinking, should not be high temperature brewing (recommended 60 degrees Celsius or so warm water is appropriate). The water temperature is too high will destroy the anthocyanin, it will lose its nutritional value!