S1 Lab is your Schedule I lab assistant, designed to help you mix, refine, and master your recipes.
Whether you’re a new player or a seasoned Schedule I strategist, S1 Lab gives you full control over the mixing process — with accurate rule-based mutations, sell price calculation, and equipment integration.

? Mix substances step-by-step with real Schedule I logic
? View and track all effects and rule interactions
? Save and share your favorite recipes
? Test how equipment influences production and profitability
? Import recipes from schedule1-calculator.com using the seed code

If you enjoy using S1 Lab, please consider leaving a review — we read all feedback and actively use your suggestions to shape future updates.