Mastic (Pistacia lentiscus) is an evergreen shrub found throughout the Mediterranean. The sap (resin) from its trunk is used to make medicine.
Mastic might help reduce stomach acid and protect the lining of the stomach and intestine. It might also have antibacterial effects and reduce swelling.
People use mastic for stomach ulcers, indigestion, Crohn disease, wound healing, and many other conditions, but there is no good scientific evidence to support most of these uses.
Don't confuse mastic with gum arabic. These are not the same.
Is It Effective?
NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.
- Indigestion (dyspepsia). Taking mastic gum by mouth seems to reduce symptoms of indigestion, including stomach pain and heartburn.
There is interest in using mastic for a number of other purposes, but there isn't enough reliable information to say whether it might be helpful.
Is it Safe?
When taken by mouth: Mastic is possibly safe when used for up to 3 months. It seems to be well-tolerated. Side effects might include constipation.
When applied to the skin: There isn't enough reliable information to know if mastic is safe. Some people might experience an itchy rash after using mastic gum.
Special Precautions & Warnings:
Pregnancy and breast-feeding: There isn't enough reliable information to know if mastic is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.
Allergy to to other plants: People who are allergic to a plant called Schinus terebinthifolious or to Pistacia species might also be allergic to mastic tree.
It is not known if Mastic interacts with any medicines. Before taking Mastic, talk with your healthcare professional if you take any medications.
There are no known interactions with herbs and supplements.
There are no known interactions with foods.
Mastic gum or powder have most often been used by adults in doses of 1-2.8 grams by mouth daily for up to 3 months. Mastic has also been used as an essential oil in toothpaste. Speak with a healthcare provider to find out what type of product and dose might be best for a specific condition.
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