Nature's Sunshine HistaBlock 90 Capsules
- Bromelain – Bromelain is an enzyme that helps reduce the swelling of mucous membranes from allergies and during times of respiratory stress..
- Stinging Nettle – Our proprietary formula includes stinging nettle, which provides well-known support against seasonal airborne substances..
- Bitter Orange – Bitter orange contains synephrine, which helps the body support open airways..
- Natural Sinus Relief – HistaBlock provides nutrients that support healthy respiratory function as the body battles irritants, pollutants and toxins..