FAQs
Find answers to your nutrition and ingredient questions.
Subway
Mayville, MI
315 E Main St, Mayville, MI, 487448 itemsUpdated March 20, 2026
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Food Safety and Quality Assurance
Food Safety Policies
Our food safety policies in the U.S. meet or exceed the FDA’s Food Code and The National Restaurant Association's ServSafe® program. Whenever local regulations differ, our policy is that the restaurant must always follow the most stringent standard.
Training Programs
Subway® provides mandatory training for franchisees and their teams on the importance of food safety and quality control.
Nutrition & Allergies
Allergy & Ingredient Info (USA)
Ingredient Guide (USA)
Nutrition Data Tables (USA)
Our Approach
Ensuring Quality
With a registered dietitian on staff, we are consistently reviewing new and existing menu options to ensure that we are always meeting the expectations of our guests.
Menu Transparency & Labeling
At Subway®, we believe in providing complete and accurate nutrition information and clear ingredient listings, presented in a simple, fact-based, and easy-to-understand way.