Our Simplix® Reviews

Customer Reviews
4.8 Based on 48 Reviews
5 ★
87% 
47
4 ★
9% 
5
3 ★
0% 
0
2 ★
0% 
0
1 ★
4% 
2
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A
06/24/2026
Anonymous
US US

Simplix review

Its definitely made a difference. the only time i had a minor outbreak since I started taking it was during a week when i wasnt taking it regularly. Its truly preventative and even the outbreak i did get, was minor, compared to past outbreaks before taking Simplix. very grateful for this and not needing to take Valtrex much at all anymore.

A
05/18/2026
Anonymous
US US

Noticed subtle difference

Some digestive upset at first. Now it's fine. Will keep using in hopes of more improvements.

A
04/30/2026
Anonymous
US US

Simplix works

I have taken Simplix for the past 3 weeks. For one who has experienced continuous outbreaks with short respites while on valtrex, this works! I take 2 tabs three times a day. However, Simplix will only be effective when coupled with a high lysine, low arginine diet. In other words, it is not a silver bullet, diet discipline is essential

A
04/29/2026
Anonymous
CA CA

Great product!

It has helped me to manage cold sore breakouts.

A
04/12/2026
Anonymous
US US

Highly Recommend

Purchased Simplex twice this winter to help add extra immunity during cold and flu season and I was able to navigate through without getting sick.

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