HistaBlock

Nature's Sunshine HistaBlock can be used to safely manage allergy symptoms and support breathing, without the side effects commonly associated with over-the-counter and prescription antihistamines, decongestants and nasal sprays. 

Powerful antioxidants help support the health of the airway passages and mucous membrane. Stinging nettle, quercetin, bromelain and bitter orange off natural help with seasonal irritants. 

This powerful blend enhances immune function and inhibits the release of histamine and other inflammatory compounds that initiate the sneezing, swelling and itching of allergic reactions. 

• Provides nutrients that support the respiratory system in its battle against allergens, pollutants and toxins
• Provides antioxidant protection
• Supports mucous membrane health
• Supports healthy mucous membranes

Adults: Take 2 capsules with a meal twice daily

Per 2 capsules:
Proprietary blend 540 mg
Stinging Nettle (Urtica dioica)
Quercetin (from Sophora japonica fruit)
Bitter Orange Fruit (Citrus x aurantium)
Bromelain (from pineapple fruit, Ananas comosus)

Other ingredients: Dicalcium phosphate, capsule (gelatin, water), cellulose, vegetable magnesium stearate, silicon dioxide

Keep out of reach of children. If symptoms persist, contact your healthcare professional.