Don’t let seasonal irritants and pollutants interrupt your life. When pollen and dust start wreaking their havoc, try blocking them with HistaBlock! Nature’s Sunshine’s

Don’t let seasonal irritants and pollutants interrupt your life. When pollen and dust start wreaking their havoc, try blocking them with HistaBlock! Nature’s Sunshine’s unique herbal blend features stinging nettle, quercetin and bromelain to help you breathe easier.
Supports respiratory system health and function, especially during seasonal changes
Promotes healthy airways for better breathing
Neutralizes free radicals