The January app is a personalized health and nutrition platform that helps you eat smarter and improve your metabolic health. By analyzing your food choices, activity, sleep, and even blood test results, January predicts how your body responds to different foods—before you eat them. It delivers real-time insights, smarter food swaps, and coaching from your AI nutritionist, Jan, to help you manage blood sugar, lose weight, and feel your best—no CGM required.