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The stomach remedy that grows on one Greek island.
Chios mastic. Greeks have used it for the stomach for centuries. In 2010, a Greek trial finally tested it against a placebo. What it found, the dose it used, and the dose we chose.
Rick Pescatore, DO. Board-certified emergency physician, Editor-in-Chief of Emergency Medicine News, former Chief Physician of the Delaware Division of Public Health, 100+ publications. More than 400,000 people follow his public-health videos.
Step 1. Tap what sounds like you.
Step 2. Tap what you have tried.
One tree, one island, and a resin the growers call tears.
On Chios, in the eastern Aegean, a shrub called Pistacia lentiscus var. chia is scored by hand every summer. It weeps a pale resin that hardens in drops the growers call tears. The trees grow elsewhere in the Mediterranean, but the resin-bearing variety is cultivated in the villages of southern Chios, and the resin carries EU protected-origin status the way Champagne does.
Greek physicians wrote about it for stomach complaints nearly two thousand years ago. People chewed it; the word mastic shares its Greek root with masticate.
Most of the shelf works on the acid. The resin works on the lining.
The stomach makes acid every day and coats its own wall to keep the two apart. Nerves in that wall report back to the brain. Tap what you have tried.
Four of those act on the acid. One supports the lining.
148 adults. Three weeks. Resin or placebo.
In 2010, gastroenterologists in Greece enrolled adults whose upper stomach would not settle and whose tests had come back normal. Half took Chios mastic, half took a placebo, and neither they nor their doctors knew which. After three weeks, stomach pain, the dull upper ache and heartburn had all eased more on the resin.
So I built Cool around the resin.
Mastic leads. Six more actives support the lining and the nerve that reports from it. Two capsules a day, with a meal.
Mastic gum, 500 mg, the resin of Pistacia lentiscus.
Zinc carnosine, DGL licorice and aloe inner gel support a healthy stomach lining.*
Allithiamine, a fat-soluble B1, and magnesium glycinate support healthy nerve signaling. Ginger supports comfortable digestion after a meal.*
See every dose
| Mastic gumResin of Pistacia lentiscus. | 500 mg |
| AllithiamineA fat-soluble form of vitamin B1, first described in 1951. | 150 mg |
| MagnesiumAs magnesium glycinate. | 100 mg |
| Ginger root extract, 4:1 | 100 mg |
| Aloe vera200:1 inner gel extract. | 100 mg |
| DGL licorice extractGlycyrrhizin removed, the part that raises blood pressure. | 80 mg |
| ZincAs zinc L-carnosine. | 5 mg |
One bottle is a month. The protocol is three.
New customers: $10 off the first order with code 10OFF.
Twelve-week money-back guarantee. Not helping? One email refunds your first order, up to three bottles, and you keep them.
For adults whose upper stomach burns, growls or never quite settles, with normal tests. Not for pregnancy, nursing, or under 18. Ask your clinician first if you take a blood thinner or live with kidney disease. Skip it if you are allergic to pistachio or cashew; mastic comes from the same plant family.
Cool is not an antacid and does not replace a prescription. Trouble swallowing, vomiting blood, black stools, weight loss, or chest pain with exertion is a doctor visit today, not an order.
Why not just chew mastic gum?
You can. Chewing delivers an unmeasured amount, and much of it stays in the gum. The trials used measured capsules, which is what Cool is.
Can I take it with my acid reducer?
Yes, for most people. Cool contains no acid blocker and does not replace one. Keep taking what your clinician prescribed and bring the label to your next visit.
Is the licorice safe for blood pressure?
Cool uses DGL, licorice with the glycyrrhizin removed. Glycyrrhizin is the compound that raises blood pressure.
How does the guarantee work?
Twelve weeks from delivery. If Cool is not helping, email support@belly-md.com and your first order is refunded, up to three bottles. You keep the bottles. One refund per household.
Chios has been doing this for two thousand years. The trial caught up in 2010.
Start the 90-day protocolThis is an advertisement for MGB+ Cool, a dietary supplement made by BellyMD. Dr. Pescatore is the founder of BellyMD. The 2010 trial cited tested mastic alone at a higher daily dose (1,050 mg); it did not test MGB+ Cool. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual experiences vary. Consult your clinician before starting any supplement, especially if you are pregnant, nursing, taking medication, or living with a medical condition.