Here’s a habit that surprises people when they hear a pharmacist do it: after a flight, a crowded store, or a doctor’s visit, I clean out my nose. Not just blow it — actually rinse the germs out of it. Because your nose is the front door for most of the colds, flus, and crud you pick up, and almost nobody thinks to clean it. That’s the whole idea behind Nasomin by Triquetra, and it’s become one of my favorite little “why didn’t I do this sooner” products.

What It Actually Is

Nasomin is a nasal antiseptic spray — think of it as hand sanitizer, but for the inside of your nose. It’s not a decongestant, it’s not a steroid, and it’s not habit-forming like the Afrin-type sprays people get hooked on. It’s a cleansing spray you can use daily. Two ingredients do the work:

Iodine (1%) — this is the star. Iodine is one of the oldest, most reliable germ-killers we have in medicine; it’s what surgeons have scrubbed with for a century. Inside your nose, it goes after the viruses and bacteria sitting in your nasal passages before they’ve had a chance to really dig in and get you sick. There’s a genuinely interesting body of research on iodine-based nasal sprays reducing the viral load in people’s noses — that’s the science this is leaning on.

Fulvic acid — an earth-sourced mineral compound that rounds out the formula and helps deliver the mineral complex without the harsh, dried-out feeling a lot of nasal products leave behind.

Triquetra’s own testing claims it neutralizes the large majority of germs in the nose within a couple of minutes. I’d take any “99%” marketing number with the usual grain of salt, but the underlying concept — iodine cleaning out your nasal passages — is solid and well-established.

When I Actually Reach for It

This is a “moments” product more than a once-a-day-forever thing. The times that make the most sense:

• After a flight, train ride, or any packed public space
• Coming home from work or school during cold and flu season
• After a doctor or dentist visit — waiting rooms are exactly what they sound like
• Anytime you’ve been around someone who’s clearly sick

How to Use It

Simple: tip about half an inch into your nostril, two pumps per side, and let it sit 15–30 seconds before you stand up so it actually coats things instead of running out. Rinse the tip afterward. A brief tingle is normal — that’s the iodine, not a problem. One bottle is around 150 uses, so it lasts a while.

One detail I love as a pharmacist and a parent: it’s safe for kids down to age 2, which is rare in this category and makes it a solid option for households where somebody’s always bringing something home from school.

The Honest Version

Straight talk like always. Nasomin is a hygiene and cleansing product — it’s not a medicine, not a cure, and not a substitute for a flu shot, hand-washing, or actual treatment when you’re sick. Think of it as one more layer of defense, the same way sanitizing your hands is: helpful, not magic. If you’re already sick with something serious, or you have a thyroid condition (iodine matters there), or you’re pregnant or on medication, check with your doctor first — iodine is active stuff, and that’s exactly why it works.

Who’s it for? Frequent travelers, teachers and healthcare workers, parents of little germ-magnets, and honestly anyone who’s tired of catching every bug that goes around and wants a simple daily-hygiene tool to add to the routine.

As always, I’m a pharmacist, not your pharmacist — check with your own provider before starting something new, especially if you have a thyroid condition, are pregnant, or are managing a health issue.

This post reflects my opinion as a pharmacist and is for educational purposes only. It is not medical advice, and these statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. I partner with Triquetra and may earn a commission from products I recommend.

Sources & Further Reading

• “Povidone-iodine nasal spray (Nasodine®) for the common cold: a randomized, controlled, double-blind, Phase III clinical trial.” Frontiers in Medicine. https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1565069/full
• “Effect of 0.5% povidone-iodine on the nasopharyngeal and oropharyngeal viral loads in patients with COVID-19: a randomized clinical trial.” PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC9810934/
• “Nasal microbiome and the effect of nasal decolonization with a novel povidone-iodine antiseptic solution: a prospective randomized clinical trial.” Scientific Reports (Nature). https://www.nature.com/articles/s41598-023-46792-8
• Triquetra Health — Nasomin Nasal Cleanse (Iodine + Fulvic Acid). https://triquetrahealth.com/products/nasomin-nasal-antiseptic