Triphala churnam is a combination of three herbal,with addition of yastimadhu.
For internal administration – It is rich in antioxidants, good for eyes, spleen, liver, useful in diabetes, and acts as rasayana (antiaging).
For easy bowel movements and to relieve gas trouble – five grams at night with warm water. as a liver protective and anti oxidant agent  (Rasayana) 2-3 grams one or two times a day with warm or cold water.
 It is potent astringent. It can be boiled with water and filtered. this decoction acts as herbal wound healing.
 ingredients –

1. Haritaki – Terminalia chebula – Fruit rind
   
2.  Vibhitaki – Terminalia bellerica – Fruit rind
   
3. Amla – Emblica officinalis – Fruit
   

All the three herbs are dried under shade, powdered and filtered to get fine powder .