You know what a
flare feels like.
So do we.

Founded by someone who uses it.

What is vitamin U

Most people with chronic gastritis have never heard of Vitamin U.

It’s the active compound in cabbage juice, researched since the 1950s.

S-Methylmethionine

Vitamin U / 500 mg per capsule

Supports stomach lining health.

60 capsules per bottle. One active ingredient. Formulated by a holistic nutritionist who takes it daily.

US-made Lab tested Vegan30-day guarantee  

$49

Free-shipping anywhere in the US

You’ve been here before.

A gastritis flare is not just uncomfortable. It’s the nausea that stops you from eating for days. The stomach pain that makes it hard to get off the couch. The anxiety that settles in when your body won’t cooperate, and the low mood that comes along with it.

You’ve had the scope. You’ve taken the medication. You’ve changed what you eat. You may have tried other supplements, natural remedies, things you found in a forum at 2 a.m.

Some things helped a little. For a while. Nothing stuck.

We’ve been there too. That’s exactly why VitaminYOU was created.

A traditional remedy.
Validated by science.
Used as medicine worldwide.
Centuries of traditional use
Cabbage for the stomach
In Eastern Europe and across Asia, cabbage was used to settle the stomach. Nobody knew why it worked. Only that it did.
1950 · Stanford University
The active compound is identified
Dr. Garnett Cheney isolates the compound and names it Vitamin U. U stands for ulcers. His trials are published in peer-reviewed journals.
1950s onwards · Global
Other countries act on the research
Decades of published studies. The compound enters clinical practice in Japan and Eastern Europe.
Japan
Cabagin
Approved OTC medication · Kowa Pharmaceutical
Ukraine
Doctovit
Used clinically for erosive gastritis
United States
Stays a dietary supplement in the US
Natural compounds cannot be patented. Without a patent, the economics of FDA drug approval don't work. S-methylmethionine stayed a dietary supplement. Quietly studied, rarely talked about.
Today · United States
VitaminYOU
One compound. 70 years of research. Finally available for the US market.

Ingredients

What’s in the bottle

S-Methylmethionine (Vitamin U), 500 mg per capsule.

One active ingredient. Three inactive ones: the capsule (hypromellose), magnesium stearate, and silicon dioxide. That’s it.

60 capsules per bottle. Take one to two capsules per day, with a meal.

$49

Free shipping on all US orders

REVIEWS

What people are saying

★★★★★

“I’ve had gastritis for six years and tried just about everything. This is the first thing that made a noticeable difference in how I feel day to day.”

Sarah M.

★★★★★

The nausea during a flare is what gets me the most. I noticed it easing within the first few days of taking this. I’ve been on it for two months now and the flares are less frequent.

– James R.

★★★★★

I was skeptical, as I’ve tried a dozen of meds and supplements, but to my surprise this one actually worked. I am a customer for life. 

– Dana K.

“I joke about how desperate you have to be to try cabbage juice. After years of chronic gastritis, I had reached that point. So I tried it, and it worked. Not in the way supplements usually “work,” where you take it for a week and convince yourself something might be happening. It actually worked.

As a holistic nutritionist, I couldn’t leave it at that. I went looking for why, and the answer was a compound called S-methylmethionine, or Vitamin U. Finding a supplement form of it took real digging. When I did, it worked even better than the juice, and faster.

I built VitaminYOU because nobody should spend a decade looking for something that was out there all along.”

– Nadya, Certified Nutritionist • Founder

VitaminYOU runs in small batches.

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Quick answers

Common questions

What exactly is Vitamin U?

Vitamin U is a simpler name for S-methylmethionine. S-methylmethionine occurs naturally in raw cabbage and other brassica vegetables.

It’s not technically a vitamin. Researchers in the 1950s called it “Vitamin U” while studying it, the U stands for ulcers.

What does Vitamin U do?

S-methylmethionine supports stomach lining health. Your stomach is lined with a layer of protective mucosa. S-methylmethionine acts as a methyl donor and helps maintain that lining.*

Learn more

How do I take it?

One to two capsules per day, with a meal. Each bottle has 60 capsules.

What are the benefits?*
  • Supports stomach lining health
  • Helps maintain the protective mucosal layer of the stomach
  • Acts as a methyl donor and antioxidant
  • Supports normal digestive comfort
Who is it for?

VitaminYOU is for adults who want to support their stomach lining health. It is a dietary supplement, not a medication.

Vitamin U vs. cabbage juice - what's the difference?

They work the same way. S-methylmethionine is the active compound in raw cabbage juice. When people drink cabbage juice for stomach issues, Vitamin U is what they’re getting. VitaminYOU skips the juice and delivers 500 mg of the compound directly. No fiber, no goitrogens, no liter a day.

Is Vitamin U backed by research?

 \S-methylmethionine has been studied since the 1950s, with research from the US, Japan, and Eastern Europe examining its role in supporting the stomach’s mucosal lining and digestive health. It is not a pharmaceutical drug and has not gone through FDA drug approval trials.

Browse the Vitamin U research database →

Is VitaminYOU high quality?

Yes. VitaminYOU is manufactured in the USA in GMP-certified facilities. Every batch is tested by a third-party lab for purity and potency. If you are not satisfied, we offer a 30-day money-back guarantee.

Want to go deeper? We write about Vitamin U, the research behind it, and stomach health.