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Illustration of a man at a doctor's visit saying 'I'm fine, it's just dinner sitting heavy' while his wife looks at a bag full of antacids
From an ER doctor

Fine doesn't carry a bag of antacids.

Upper stomach discomfort, bloating, and heartburn aren't just part of getting older. They're often signs your gut and stomach need better support.

Get Cool

12-week money-back guarantee. Keep the bottle.

Why a daily plan beats the antacid aisle

Antacids neutralize acid in the moment. They were never built to be a daily plan. The after-meal burn isn't only about acid, it's about a gut lining and a gut-brain signal that need support every day, not mopping up after every meal.

Cool is built on a fat-soluble form of B1 (allithiamine) plus mastic gum and zinc-carnosine for the lining, ginger to settle meals, and absorbable magnesium for the signaling. Seven targeted actives that work on the system, not just the symptom.

Is this him?

✓He says he's fine. The chalky tablets in the car, the desk, and the bag say otherwise.
✓There's a running list of foods that "set him off" — and it keeps getting longer.
✓You're treating a daily problem with an emergency tool.

If you nodded three times, Cool was built for him.

One hero ingredient. Six targeted actives. All on the label.

Close-up of cream MGB+ Cool capsules
AllithiamineA fat-soluble form of vitamin B1 that reaches where regular B1 cannot. The hero of the formula.
Mastic gumA Greek tree resin, studied in real trials for stomach comfort.
Zinc-carnosineA stomach-lining compound prescribed in Japan.
Real-dose gingerThe most studied plant for an unhappy stomach.
Gentle licoriceDGL. The stomach kind, blood-pressure part removed.
Aloe veraThe soothing inner leaf. A real dose.
Gentle magnesiumGlycinate. The kind your body can use.

Why tree resin? Mastic. People have chewed it for their stomachs for 2,000 years. Now it has real trials.

See the thiamine research →

Real talk, before you buy.

  • ✕Cool is not a medicine. It does not treat or cure any disease.
  • ✕Never stop a prescription acid pill on your own. The rebound is real. Talk to your prescriber.
  • ✕Chest pain, blood, or weight loss you didn't try for? That's an ER visit. Go now.

Built by a real ER doctor.

Rick Pescatore, D.O.
Rick Pescatore, D.O.

Emergency physician. Editor-in-Chief of Emergency Medicine News. He kept meeting the same guy: stomach running hot, a bag full of antacids, "I'm fine" on repeat. Nothing on the shelf was built right. So he built it.

Don't take our word for it. Look him up:

Larry King interview ↗ Merck Manual author page ↗ Google Scholar ↗ Emergency Medicine News ↗
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MGB+ Cool bottle, 60 capsules

Get Cool

One bottle. One month. Every dose on the label.

● Built by an ER physician ● Third-party tested ● cGMP facility ● Made in USA ● No fillers
One bottle
60 capsules · 30-day supply · One-time purchase
$59.99one-time
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90-day supplyBest value
180 capsules · $39.99 per bottle · Ships every 90 days
$119.99/90 days
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12-week money-back guarantee. Not right? Full refund, keep the bottle. Cancel subscriptions anytime in two clicks.

Ships from the USA with tracking. Most orders arrive in 3 to 7 days.

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Quick questions.

How is this different from antacids?

Antacids neutralize acid after the fact. Cool is a daily plan that supports the gut lining and the gut-brain signal, so the burn shows up less in the first place. Different job, taken every day.

How fast does it work?

Weeks, not days. Most people feel a change in 2 to 6 weeks. You get 12 weeks to decide. Money back if it's not right.

Is it safe with my acid medicine?

Never stop a prescription on your own. The rebound is real. The licorice in Cool is the gentle DGL form. If you take medications, ask your doctor first. Take Cool with food.

What if it doesn't work for me?

Full refund within 12 weeks. You can keep the bottle.

Is the subscription a trap?

No. Cancel in two clicks from your account. No calls. No contracts.