This list includes 1 Vitamins that start with U that begin with U, organized from “Vitamin U” to “Vitamin U”. Vitamin U is a historical name for S‑methylmethionine found in cabbage juice, often mentioned for digestive health.
Vitamins that start with U are mostly historical or marketing names rather than officially recognized vitamins. The best-known example, “Vitamin U”, was popularized in mid-20th century folk remedies for stomach ulcers.
Below you’ll find the table with Name, Benefit, Primary food sources, and RDI & notes.
Name: The vitamin’s common name, so you can quickly identify which substance starting with U appears on labels or in articles.
Benefit: A concise 1–2 sentence summary of the main health effects and traditional uses you can expect from the entry.
Primary food sources: The main foods where the substance appears, helping you choose diet options to increase intake.
RDI & notes: Shows recommended intake values, age/gender caveats, and whether the substance is officially recognized as a vitamin.
Vitamins that start with U
| Name | Alternate names | Status | Primary food sources | Description |
|---|---|---|---|---|
| Vitamin U | S-methylmethionine (SMM), methylmethionine sulfonium | Historical/marketing “vitamin” label (not essential) | Cabbage, broccoli, kale, spinach | Historically marketed for peptic ulcer and gastric mucosa support; may aid tissue repair. No established RDI (no age/gender recommendations); not recognized as an essential vitamin by major authorities (NIH, EFSA). |