Home / New York City / Downtown Brooklyn / Restaurants
Twentyonegrains
A fast-casual restaurant in the Twentyonegrains group serving build-your-own bowls, wraps, and salads. Its location pages state the full menu is 100% gluten-free with no exceptions. It suits diners who want a quick meal from a kitchen published as entirely gluten-free, based on the restaurant's statements.
Contact & location
- Address
- 445 Gold St, Brooklyn, NY 11201 Downtown Brooklyn
- Phone
- Call 332-456-5864
- Hours
- Mon–Sun 11:00 AM–10:00 PM
- Website
- twentyonegrains.com
Decision snapshot
- Evidence tier
- Allergen menu documented
- Hours
- Mon–Sun 11:00 AM–10:00 PM
- Allergen menu
- Allergen menu published
- Allergens documented
- Gluten
- Dedicated facility
- Restaurant states every bowl, wrap, and salad is 100% gluten-free, with no exceptions.
ConfidentDiner collects allergen and preparation information from restaurants’ published materials, from restaurants themselves, and from diners. Information is dated and sourced, but menus, ingredients, suppliers, staff, and kitchen practices change without notice, and cross-contact can occur in any non-dedicated kitchen. Nothing on this site is medical advice or a guarantee that any restaurant or dish is safe for any individual. Always tell the restaurant about your allergy, confirm current practices directly before ordering, and make your own decision with your medical professional’s guidance.
The protocol, in full: Allergen documentation
| Gluten | Documented in the restaurant's own published allergen material Twentyonegrains location page · 2026-10-28 |
|---|---|
| Milk | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Egg | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Peanut | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Tree nut | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Fish | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Shellfish | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Soy | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Wheat | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Sesame | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
The protocol, in full: Kitchen protocol
| Dedicated facility | Restaurant states every bowl, wrap, and salad is 100% gluten-free, with no exceptions. Twentyonegrains location page · 2026-10-28 |
|---|---|
| Allergen menu | Publishes an allergen menu Twentyonegrains location page · 2026-10-28 |
| Dedicated fryer | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Dedicated prep | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Staff training | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Order flagging | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
| Cross-contact statement | Not published in the restaurant's own material — ask before you go (not documented) Twentyonegrains location page · 2026-10-28 |
The protocol, in full: The visit
| Price band | Not published in the sources checked (not documented) Twentyonegrains location page · 2026-10-28 |
|---|
Good to know before you book
- Restaurant states every bowl, wrap, and salad is 100% gluten-free, with no exceptions. — Twentyonegrains location page, 2026-10-28
Questions diners ask about this place
Does Twentyonegrains publish an allergen menu?
Yes. Twentyonegrains publishes an allergen menu, linked from this page. We last checked it on 2026-10-28. A published menu documents ingredients as the restaurant states them — it is not a guarantee, and menus change, so confirm when you order.
Which allergens does Twentyonegrains document?
Twentyonegrains's own published material documents: Gluten. The allergens we track that it does not document are: Milk, Egg, Peanut, Tree nut, Fish, Shellfish, Soy, Wheat, Sesame. Undocumented means we found no published information — not that the allergen is absent.
Is Twentyonegrains a dedicated facility?
Twentyonegrains's own published material describes a dedicated facility: Restaurant states every bowl, wrap, and salad is 100% gluten-free, with no exceptions. (source checked 2026-10-28).
How current is the information on this page?
Every fact here comes from Twentyonegrains location page and was last checked on 2026-10-28. Kitchens change staff, suppliers and menus without notice — always tell the restaurant about your allergy and confirm current practice before ordering.
Is this your listing?
Claim this listing free to correct anything here, add photos, and complete the details the public record leaves blank — 15 items are currently marked "not documented" on this page. Claiming never buys a higher evidence tier: tiers are earned by documentation, checked the same way for everyone.
Source & freshness
Source: Twentyonegrains location page · Last checked: 2026-10-28
Report a change or an error — reports are checked and logged on this page.
Change log
- 2026-10-28 — Listing published from the restaurant's own published allergen material (datasets v1 + expansion pass 2, merged Oct 28, 2026).
- 2026-10-28 — Expansion pass 2: phone/hours completed from the restaurant's own website where it publishes them; independent-ownership flag recorded.
More options in New York City
- Senza Gluten — Allergen menu documented, last checked 2026-10-28
- Senza Gluten by Jemiko — Allergen menu documented, last checked 2026-10-28
- Senza Gluten by Jemiko Cafe & Bakery — Allergen menu documented, last checked 2026-10-28
- Friedman's Herald Square — Allergen menu documented, last checked 2026-10-28
Twentyonegrains — visit-prep card
Allergen menu documented · Last checked 2026-10-28 · Source: Twentyonegrains location page
- Address
- 445 Gold St, Brooklyn, NY 11201
- Phone
- 332-456-5864
- Hours
- Mon–Sun 11:00 AM–10:00 PM
- Allergen menu
- https://twentyonegrains.com/brooklyn
Key facts
- Allergen menu: Allergen menu published
- Allergens documented: Gluten
- Dedicated facility: Restaurant states every bowl, wrap, and salad is 100% gluten-free, with no exceptions.
Questions to ask before you order
- Is the fryer shared with breaded or battered items, and what else is cooked in that oil?
- Is there a separate prep area, boards and utensils for allergy orders?
- How is an allergy order flagged and communicated to the kitchen, so it cannot be mixed up?
- How are staff trained on food allergies, and how often is that training refreshed?
- What do you do to prevent cross-contact during prep, cooking and plating?
ConfidentDiner collects allergen and preparation information from restaurants’ published materials, from restaurants themselves, and from diners. Information is dated and sourced, but menus, ingredients, suppliers, staff, and kitchen practices change without notice, and cross-contact can occur in any non-dedicated kitchen. Nothing on this site is medical advice or a guarantee that any restaurant or dish is safe for any individual. Always tell the restaurant about your allergy, confirm current practices directly before ordering, and make your own decision with your medical professional’s guidance.