The calamansi (citrus madurencis) is considered as one of the major fruit crops in the Philippines, which is indigenous and widely cultivated in the country. In Tagalog, it is called kalamunding, calamansi or kalamansi and in Visayan, limonsito or simuyaw. The plant grows well in cool and elevated areas and in sandy soils rich in organic matter. Waterlogged areas are not suitable for cultivation because calamansi plants cannot tolerate too much moisture. It can be propagated by seeds using its vegetative parts. It is available year-round and is usually seen in its unripen green state. When left to ripen, it turns a tangerine orange. Its fruit has either a spongy or leathery rind with a juicy pulp that is divided into sections. (https://en.wikipedia.org/wiki/Calamondin) Like other citrus fruits, calamansi is high in Vitamin C that is known to be protection against immune system deficiencies, cardiovascular disease, prenatal health problems and even skin wrinkling. Thus, it would be a great source of the said vitamin that helps a lot of people with problems concerning their health. As to this, Filipinos are known to be naturally creative and brilliant business minded people. Calamansi juice has been one of the products of their innovative minds and later, also became a good source not only of income but also of remedies to some ailments. People nowadays include calamansi, either fresh fruit or juice, to their daily consumption to help them in maintaining a good health. (http://www.drinkbenefits.com/calamansi-juice-health-benefits.htm and http://www.webmd.com/diet/the-benefits-of-vitamin-c) Calamansi juice is being considered by businessmen since it is booming especially these past years as the global warming has greatly affected the country. Hot summer days seemed to be extended all year long. And with this, they had found an inventive alternative quench to the