Drink the ginseng extract one to three times per day for up to three months, followed by two to three weeks of not taking the tea.The mushroom extract is called Reishi or Mannentake (10,000 year mushroom) in Japan.Capsules containing green tea extract are also available as an aid for weight loss. The polyphenols in green tea appear to have some fat-burning propertiesfruit extract is a concentrated fruit-flavor profile made by reducing a fruit concentrate until it is syrup and combining with alcohol.