About the product
- All-Day Formula: Patented Reacta-C may help provide vitamin C for healthy, all-day immune support
- Fast-Acting & Gentle: With strontium ascorbate & l-threonate, designed to be easier on digestion
- Bioavailable: Formulated with citrus bioflavonoids for maximum absorption & utilization by the body
- The KAL Difference: Quick-dissolve ActivTab technology, high-quality ingredients, lab verified
- Customers Say: Best vitamin C on the market. Been using this brand for years