Nature's Sunshine HistaBlock | Respiratory Support Supplement | Supports Airways & Blocks Irritants | Antioxidant Strength | Seasonal Allergy Help | Natural Respiratory Function Aid 90 Capsules

- Natural Support for Seasonal Changes: Our formula provides a powerful herbal blend formulated to help manage seasonal irritation symptoms. Stinging nettle and other key ingredients help promote healthy respiratory function and provide relief from discomfort. - 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

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