Contains stinging nettle to help block seasonal pollen and irritants for easier breathing
Quercetin provides antioxidant protection to help stabilize mast cells and support respiratory health
Bromelain reduces swelling of mucous membranes during respiratory stress
Bitter orange supports open airways and overall respiratory function
Formulated for easy daily use with 90 capsules per bottle
Summarized by Shop
Nature's Sunshine HistaBlock provides nutrients that support a healthy respiratory system as the body battles seasonal irritants, pollutants and toxins. Stinging nettle provides well-known support against seasonal airborne substances. The antioxidant quercetin has been used for its reputed effects in supporting the respiratory system. Bro
