Smart polyester activewear that analyzes your sweat for vitamin and mineral deficiencies in real-time, displaying aurora-like color patterns to show exactly what nutrients you need.
You're on a run and your sleeve slowly shifts from dull gray to a glowing purple pattern. You glance at your phone and see "Vitamin D: Low" with a map to the nearest pharmacy and a 15% discount code for supplements that syncs with your actual biological needs.
After 3 months: $29/month for continued nutrient tracking, supplement recommendations, and personalized hydration formulas.