HistaBlock provides nutrients that support healthy respiratory function as the body battles 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.
Bromelain is an enzyme that works to help mucous membranes during times of respiratory stress.
Bitter orange contains synephrine, which supports the airways.
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