90 Capsules
Stock Number 776


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  • Provides nutrients that support the respiratory system in its battle
    against allergens, pollutants and toxins.
  • Provides antioxidant strength to help stabilize mast cells.
  • Supports the body’s efforts to control inflammation and swelling of
    mucous membranes.

About Nature’s Sunshine Histablock

HistaBlock® [Respiratory] supports the body in times of respiratory stress. A powerful combination of stinging nettle, quercetin, bromelain and immature orange peel (which contains synephrine), HistaBlock provides nutritional support for the respiratory system. This formula provides antioxidants and supports the body’s efforts to maintain mucous membrane health and nasal passage tissues.


Nettle leaves, quercetin, Bitter orange fruit and bromelain.

Recommended Usage

Take 2 capsules with a meal twice daily.


Nature's Sunshine Histablock