Known as Emblica officinalis in biological terms and amlaki in Sanskrit language, is richest natural source of vitamin C. Amla possess five out of six rasa. Only lavan rasa is not present. It is sheet virya (cold potency) in nature. It also possesses guru (heavy), ruksh (dry) and sheet (cold) properties, which make it, work best on pitta disorders, although it helps in suppressing all the three aggravated doshas. Amla has a medium sized tree, which ranges from 20 - 25 foot. It possesses yellow-colored flowers that blossom from February to May. Its fruit is greenish yellow in appearance, which is available from October to April. It generally occurs in the area 4500 ft. above sea level. Plant part used is fruit.
Amla is a wonder herb with numerous indications. Due to its sheet virya potency it is widely used in diseases caused by pitta disorders. It has found an esteemed place in ayurvedic preparations. Chawanprash, triphala and amlaki rasayan possess dominance of Amla. It is used to substitute vitamin C in disease like scurvy. It has actions on all the systems of the body. Digestive system- due to presence of five rasa it finds it s application in decreased appetite, indigestion, acidity, constipation, gastric troubles, and flatulence. It also helps in restoring mouth taste and promotes salivation. It also strengthens the teeth. It is helpful in improving liver function. Good results have also been seen in gastric ulcers, as it is sheet virya in potency. It is also beneficial in piles.