What are the best under 400 orders at Arby's?
Start with the top picks on this page first. They are the strongest current matches from the restaurant guide and link back to the canonical order pages for the full scripts.
Arby's Under 400 Restaurant Guide
Use this lens when appetite is low and you need lighter defaults without guessing macros. Prioritize lean protein and simple builds that avoid hidden calories. This page starts with the strongest under 400 fit at Arby's, keeps a lighter backup visible for lower-appetite moments, then closes with the caution lane so the safer default stays obvious.
Nutrition values are best-effort estimates and can vary by location.
GLP Dining Editorial TeamMethodology-consistent reasoning
Trust
How this lens stays useful
This page stays close to the canonical order pages so you can move from a decision lens to a specific script without re-checking the whole menu.
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Trust
How this lens stays useful
This page stays close to the canonical order pages so you can move from a decision lens to a specific script without re-checking the whole menu.
Built from the same restaurant and topic graph that powers the canonical order pages.
Starts with the strongest practical picks, then separates swap options and caution patterns.
Keeps the order script one click away so the recommendation is reusable in real life.
3 rules
- Start with orders at or below 400 calories and at least 20g protein.
- Skip calorie-dense add-ons first: creamy sauces, cheese, and fries.
- Use half portions when appetite drops after the first few bites.
Top picks
Swaps and lighter backup
Synthetic swap · Low confidence
Lighter portion
Keep the same base order, then stop at a smaller portion or box the rest immediately.
Order the same meal, eat the part that feels right, and box the rest before the plate lands in front of you.
A practical lighter option built from the current order rather than a separate published row.
View full order + variant detailsSynthetic swap · High confidence
Roast Beef Slider add-on
Use a published lean-protein component to lift the meal when the base order needs more staying power.
If the restaurant allows it, add roast beef slider to the order and keep the rest of the meal simple.
Built from an official menu component instead of a handwritten estimate.
View full order + variant detailsSynthetic swap · Medium confidence
Roast Beef Slider add-on
Use a published lean-protein component to lift the meal when the base order needs more staying power.
If the restaurant allows it, add roast beef slider to the order and keep the rest of the meal simple.
Built from an official menu component instead of a handwritten estimate.
View full order + variant details
Proceed with caution
- fried sides
- large sweet drinks
- creamy sauces and dressings
- Classic Roast Beef (360 cal, 14g fat) - see canonical order details
- Roast Beef Slider, Salad, and Diet Soda (250 cal, 10g fat) - see canonical order details
Arby's Under 400 FAQs
Does this page replace the main Arby's guide?
No. This page is a focused lens for under 400, while the main restaurant guide still holds the broader menu coverage and builder tools.
Why are some Arby's meals lower on the page?
Meals move down when they require more swaps or carry higher calorie, fat, or sugar tradeoffs for this topic.