# Walmart Supercenter > This 24-hour supercenter provides a convenient one-stop shopping experience with a wide selection of products. While gluten-free frozen treats are limited, the store's round-the-clock accessibility and variety make it a practical choice for gluten-free shoppers seeking essentials. Source: https://www.atly.com/gluten-free/location/WalmartSupercenter160 - Address: 1200 Highland Ave, National City, California, United States - Phone: +16193360395 - Website: https://www.walmart.com/store/5023-national-city-ca/?veh=seo_loc - Google rating: 4.1 (10621 reviews) - Tags: Delivery, Unverified, Bakery ## Good to know (gluten-free) - Limited gluten-free frozen treats available, like Katz brand. - Open 24 hours for convenient shopping anytime. - Self-checkout is currently unavailable. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.