Physician-formulated for gut-brain health
4.7 432 verified reviews·From $43 a bottle·12-week money-back guarantee
Not sure which? Take the two-minute quiz and we will pick for you.
Take the full twelve weeks. If it is not working, one email refunds your first order, up to three bottles, and you keep them. Read the policy
3 formulas for the most common patterns.
Feel normal again.
Formulated by an ER physician. From $1.43 a day.
- Formulated by
- Rick Pescatore, DO →Emergency and public health physician
- Dosage
- One serving a dayTwo or three capsules, with food
- Manufactured
- New YorkFDA-registered, cGMP-certified facility
- Tested
- Every batchOutside laboratory. Certificate of analysis on request.
- Shipping
- Free3 to 7 business days, US
The formulary·MGB+·Three formulas, one foundation
Pick the one that sounds like you
BellyMD formulas are built on a highly-absorbable form of Vitamin B1 and magnesium combined with unique evidence-based actives selected for clinical efficacy.
MGB+ Clear
For bloating and brain fog.
- Bloating after meals
- Brain fog in the afternoon
- Constipation
$129 for 12 weeks·$55 a month
See Clear
MGB+ Cool
For the gut that burns and bubbles.
- Burning or reflux after eating
- Gurgling and urgency
- Food that sits heavy for hours
$129 for 12 weeks·$55 a month
See Cool
MGB+ Calm
For queasiness and fatigue.
- Queasy mornings
- Nausea that comes and goes
- Flat and tired after the queasiness
$129 for 12 weeks·$55 a month
See CalmNot sure which one? Take the two-minute quiz and we will pick for you.
More than one sounds like you?
Most people recognise two. A pair is $48 a bottle. The Trio covers all three at $43 a bottle.
Core TrioAll three formulas, one box. Same price as twelve weeks of one.$129 every 90 days
Clear + CoolBloated and foggy, and burning after meals.$96 every 60 days
Calm + ClearQueasy mornings, then bloat and fog later on.$96 every 60 days
Cool + CalmBurning after meals, and nausea on its own schedule.$96 every 60 days
The one thing all three share
Every formula starts with the same base: magnesium, and a form of vitamin B1 your body can actually absorb.
There is no sales force for vitamin B1.
It went off patent decades ago, so no company markets it. The biology is why it is here. Read the science
Who built this
An ER doctor got tired of saying “I don’t know.”
Rick Pescatore, DO, is an emergency and public health physician. He built the MGB+ line for the patients whose tests come back normal and whose symptoms do not. He runs BellyMD with his wife, Kady.
- Dr. NiforatosCleveland Clinic
- Dr. MotovMaimonides Medical Center
- Dr. ReevesBrooke Army Medical Center
- S. Enright, M.Ed.Behavior analysis
“I have struggled with IBS like symptoms for years. Fiber seemed to help. I took the Clear supplement and noticed such a significant change and calmness in the gut, I recommended it to family with the same issues.”
Kade · June 2026 · MGB+ Clear · Verified buyer
84% of 204 customers surveyed in May 2026 said they would order again. Self-reported, not a clinical outcome. Individual experiences differ and results are not guaranteed.
“I’ve been suffering with CHS for years and I completely had to quit for three years because my health was getting so bad but I think this might be the solution. I’ve been taking these supplements every day and I heard after two weeks the progress really starts to show.”
Connor Bogdan · July 2026 · MGB+ Calm
Reviews come from verified purchases. Nothing here is a claim that any formula treats a diagnosed condition.
Then measure whether it worked
A nightly check-in that turns into a pattern you can read, and a summary you can hand to your own doctor.
One month of Premium is included with your subscription.
Measure your progress with MeNomeTwelve weeks, or your money back
Take the full twelve weeks. If it is not working, one email refunds your first order, up to three bottles, and you keep them.
Find my formula