f Nature's Sunshine Histablock Reviews and Information


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.
Product: Histablock
Brand: Nature's Sunshine (More Products)
Size: 90 capsules
Dosage: 2 capsules, 3x daily
Retail: $20.45
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13 Customer Reviews

Works, plain and simple.
by Quinten

This helped keep my nasal passages open during allergy season which is a godsend. I was always missing days of work and since I started taking this I've called in sick once. I can honestly say this saved me money in lost work.

by Karen

I have used this off and on for a couple of years now. I have a lot of sinus problems and before Histablock I had to take antibiotics frequently. A friend recommended I try Histablock a couple of years ago and I'm so grateful because this has been great. When I feel a sinus infection coming on, I take the Histablock as directed on the label, and almost every time within a few hours I am back to normal, having headed off the infection, and with no need for antibiotics. This is just a miracle for me.

Just wow

I wish I had known about this stuff earlier. My daughter had sinus surgery to fix her stuffy head because nothing on the market was working. Now that the rest of the family has discovered this wonderful product, we can hear a gnat poot from a block away!

by satyen

I bought this product for my wife. She likes this product since it has antioxidants and helps her with opening her nasal passage tissues. This is more natural way to treat your allergy rather taking other medication you don't know what it contains.

Good One
by Ali

I had an unusual allergy attack several years back and nothing helped. I had tried just about everything. I read about Histablock and decided it couldn't hurt? When I felt the symptoms come on (itchy eyes) I took it and helped A LOT. My symptoms were not as bad.

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