Last update
3/6/2026
Reviewed By
Overview
SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 4 Reviews
8.5
Supplement Facts
Serving Size: 1 Veg Capsule
Amount Per Serving
%DV
Iodine (from Organic Kelp)(Laminaria spp.) (Whole Plant)
325 mcg
217%†
Top Medical Research Studies
9
Iodine reduces rhinovirus infections
We explored the effectiveness of 2% aqueous iodine in preventing infections caused by rhinoviruses, the culprits behind the common cold. In a controlled setting, volunteers had their fingers treated with iodine before being exposed to the virus. Remarkably, none of the eight participants who received the iodine treatment became infected immediately afterwards. In contrast, all of the seven volunteers treated with a placebo did get infected.
We also noticed that when exposure occurred two hours after iodine application, only one out of ten volunteers fell victim to the virus, whereas six out of ten in the placebo group became ill. The difference was notable, though not quite statistically significant. Additionally, tests showed virus presence in only 11% of hand washes from those who used iodine, compared to 41% from the placebo group, suggesting that iodine may substantially reduce virus contamination on hands.
Overall, these findings indicate that using iodine could be an effective strategy in preventing common cold infections, especially right after treatment. It seems that applying iodine to our hands may serve as a protective measure against rhinovirus, significantly reducing the chances of getting sick.
We also noticed that when exposure occurred two hours after iodine application, only one out of ten volunteers fell victim to the virus, whereas six out of ten in the placebo group became ill. The difference was notable, though not quite statistically significant. Additionally, tests showed virus presence in only 11% of hand washes from those who used iodine, compared to 41% from the placebo group, suggesting that iodine may substantially reduce virus contamination on hands.
Overall, these findings indicate that using iodine could be an effective strategy in preventing common cold infections, especially right after treatment. It seems that applying iodine to our hands may serve as a protective measure against rhinovirus, significantly reducing the chances of getting sick.
Read More
9
PVP-I gargle effectively reduces infections
We explored the effects of povidone-iodine (PVP-I) gargle on the prevention of common colds and influenza by comparing its bactericidal activity with that of other commercially available gargles. In our study, we tested PVP-I against chlorhexidine gluconate and cetylpyridinium chloride using different strains of bacteria. This involved both lab tests measuring bactericidal effects and practical assessments of how effective these gargles were in reducing oral bacteria counts after use.
Interestingly, our findings revealed that PVP-I not only demonstrated the highest bactericidal rate but also significantly reduced the number of bacteria in the mouth after gargling. Additionally, we conducted a survey to gauge users' feelings about each gargle, which added a personal touch to our investigation.
We also looked at real-world impacts by encouraging middle school students to use the PVP-I gargle, which seemed to reduce their absence rates due to colds and flu. This suggests that regular use of this particular gargle may aid in preventing common respiratory infections, making it a beneficial practice for both individuals and communities.
Interestingly, our findings revealed that PVP-I not only demonstrated the highest bactericidal rate but also significantly reduced the number of bacteria in the mouth after gargling. Additionally, we conducted a survey to gauge users' feelings about each gargle, which added a personal touch to our investigation.
We also looked at real-world impacts by encouraging middle school students to use the PVP-I gargle, which seemed to reduce their absence rates due to colds and flu. This suggests that regular use of this particular gargle may aid in preventing common respiratory infections, making it a beneficial practice for both individuals and communities.
Read More
7
Iodine's mixed effects on colds
We investigated the role of iodine in preventing the common cold, specifically regarding its effectiveness against rhinovirus infections. Many of us have experienced the discomfort and disruption that comes from a cold, and we know how hard it can be to find effective remedies. Initial studies suggested that treating our hands with iodine could help prevent the spread of these pesky viruses.
Iodine has shown potential in reducing rhinovirus transmission. It's known that viral contamination on our hands plays a significant role in how colds spread from person to person. In fact, the use of iodine for hand treatment could disrupt this transmission chain effectively.
Although iodine's effects are promising, the specific details and methodologies of the studies were not deeply explored. Importantly, other organic acids like salicylic and pyroglutamic acid also demonstrated strong virucidal action against rhinoviruses. These findings hint at the potential for various treatments to help us fend off colds.
Overall, while iodine treatment shows some promise, the evidence isn't entirely conclusive, as further detailed studies would be beneficial for confirmation. It remains an engaging area for future research in our efforts to combat the common cold.
Iodine has shown potential in reducing rhinovirus transmission. It's known that viral contamination on our hands plays a significant role in how colds spread from person to person. In fact, the use of iodine for hand treatment could disrupt this transmission chain effectively.
Although iodine's effects are promising, the specific details and methodologies of the studies were not deeply explored. Importantly, other organic acids like salicylic and pyroglutamic acid also demonstrated strong virucidal action against rhinoviruses. These findings hint at the potential for various treatments to help us fend off colds.
Overall, while iodine treatment shows some promise, the evidence isn't entirely conclusive, as further detailed studies would be beneficial for confirmation. It remains an engaging area for future research in our efforts to combat the common cold.
Read More
Most Useful Reviews
9
Improved metabolism
4 people found this helpful
The product quality is definitely top-notch. Its efficiency is remarkable. I take these for my thyroid and have been able to reduce my dosage from 75 to 50 in a month. Additionally, my basal body temperature has increased considerably, and I no longer feel too cold with no more cold hands and feet. It has definitely boosted my metabolism.
Read More
9
Cold less severe
This product strengthens the immune system and has a beneficial effect on the thyroid gland. The Common Cold feels much milder now.
Read More
7.5
Recommended for colds
I purchased it for my mother, and everything is going well. I also give it to my children and take it myself when I have a Common Cold; I definitely recommend it.
Read More
Medical Researches
SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
- All Researches
9
PVP-I gargle effectively reduces infections
We explored the effects of povidone-iodine (PVP-I) gargle on the prevention of common colds and influenza by comparing its bactericidal activity with that of other commercially available gargles. In our study, we tested PVP-I against chlorhexidine gluconate and cetylpyridinium chloride using different strains of bacteria. This involved both lab tests measuring bactericidal effects and practical assessments of how effective these gargles were in reducing oral bacteria counts after use.
Interestingly, our findings revealed that PVP-I not only demonstrated the highest bactericidal rate but also significantly reduced the number of bacteria in the mouth after gargling. Additionally, we conducted a survey to gauge users' feelings about each gargle, which added a personal touch to our investigation.
We also looked at real-world impacts by encouraging middle school students to use the PVP-I gargle, which seemed to reduce their absence rates due to colds and flu. This suggests that regular use of this particular gargle may aid in preventing common respiratory infections, making it a beneficial practice for both individuals and communities.
Interestingly, our findings revealed that PVP-I not only demonstrated the highest bactericidal rate but also significantly reduced the number of bacteria in the mouth after gargling. Additionally, we conducted a survey to gauge users' feelings about each gargle, which added a personal touch to our investigation.
We also looked at real-world impacts by encouraging middle school students to use the PVP-I gargle, which seemed to reduce their absence rates due to colds and flu. This suggests that regular use of this particular gargle may aid in preventing common respiratory infections, making it a beneficial practice for both individuals and communities.
Read More
9
Iodine reduces rhinovirus infections
We explored the effectiveness of 2% aqueous iodine in preventing infections caused by rhinoviruses, the culprits behind the common cold. In a controlled setting, volunteers had their fingers treated with iodine before being exposed to the virus. Remarkably, none of the eight participants who received the iodine treatment became infected immediately afterwards. In contrast, all of the seven volunteers treated with a placebo did get infected.
We also noticed that when exposure occurred two hours after iodine application, only one out of ten volunteers fell victim to the virus, whereas six out of ten in the placebo group became ill. The difference was notable, though not quite statistically significant. Additionally, tests showed virus presence in only 11% of hand washes from those who used iodine, compared to 41% from the placebo group, suggesting that iodine may substantially reduce virus contamination on hands.
Overall, these findings indicate that using iodine could be an effective strategy in preventing common cold infections, especially right after treatment. It seems that applying iodine to our hands may serve as a protective measure against rhinovirus, significantly reducing the chances of getting sick.
We also noticed that when exposure occurred two hours after iodine application, only one out of ten volunteers fell victim to the virus, whereas six out of ten in the placebo group became ill. The difference was notable, though not quite statistically significant. Additionally, tests showed virus presence in only 11% of hand washes from those who used iodine, compared to 41% from the placebo group, suggesting that iodine may substantially reduce virus contamination on hands.
Overall, these findings indicate that using iodine could be an effective strategy in preventing common cold infections, especially right after treatment. It seems that applying iodine to our hands may serve as a protective measure against rhinovirus, significantly reducing the chances of getting sick.
Read More
7
Iodine's mixed effects on colds
We investigated the role of iodine in preventing the common cold, specifically regarding its effectiveness against rhinovirus infections. Many of us have experienced the discomfort and disruption that comes from a cold, and we know how hard it can be to find effective remedies. Initial studies suggested that treating our hands with iodine could help prevent the spread of these pesky viruses.
Iodine has shown potential in reducing rhinovirus transmission. It's known that viral contamination on our hands plays a significant role in how colds spread from person to person. In fact, the use of iodine for hand treatment could disrupt this transmission chain effectively.
Although iodine's effects are promising, the specific details and methodologies of the studies were not deeply explored. Importantly, other organic acids like salicylic and pyroglutamic acid also demonstrated strong virucidal action against rhinoviruses. These findings hint at the potential for various treatments to help us fend off colds.
Overall, while iodine treatment shows some promise, the evidence isn't entirely conclusive, as further detailed studies would be beneficial for confirmation. It remains an engaging area for future research in our efforts to combat the common cold.
Iodine has shown potential in reducing rhinovirus transmission. It's known that viral contamination on our hands plays a significant role in how colds spread from person to person. In fact, the use of iodine for hand treatment could disrupt this transmission chain effectively.
Although iodine's effects are promising, the specific details and methodologies of the studies were not deeply explored. Importantly, other organic acids like salicylic and pyroglutamic acid also demonstrated strong virucidal action against rhinoviruses. These findings hint at the potential for various treatments to help us fend off colds.
Overall, while iodine treatment shows some promise, the evidence isn't entirely conclusive, as further detailed studies would be beneficial for confirmation. It remains an engaging area for future research in our efforts to combat the common cold.
Read More
User Reviews
USERS' SCORE
Good
Based on 4 Reviews
8.5
- All Reviews
- Positive Reviews
- Negative Reviews
9
Improved metabolism
4 people found this helpful
The product quality is definitely top-notch. Its efficiency is remarkable. I take these for my thyroid and have been able to reduce my dosage from 75 to 50 in a month. Additionally, my basal body temperature has increased considerably, and I no longer feel too cold with no more cold hands and feet. It has definitely boosted my metabolism.
Read More
9
Cold less severe
This product strengthens the immune system and has a beneficial effect on the thyroid gland. The Common Cold feels much milder now.
Read More
7.5
Recommended for colds
I purchased it for my mother, and everything is going well. I also give it to my children and take it myself when I have a Common Cold; I definitely recommend it.
Read More
7.5
Highly recommended
A very good supplement. It is especially necessary in areas where there is insufficient iodine. I recommend it to everyone during the cold and dark season.
Read More
Frequently Asked Questions
No FAQs are available for this product and symptom.
References
- Turner RB, Hendley JO. Virucidal hand treatments for prevention of rhinovirus infection. J Antimicrob Chemother. 2005;56:805.
- Shiraishi T, Nakagawa Y. Evaluation of the bactericidal activity of povidone-iodine and commercially available gargle preparations. Dermatology. 2002;204 Suppl 1:37.
- Gwaltney JM, Moskalski PB, Hendley JO. Interruption of experimental rhinovirus transmission. J Infect Dis. 1980;142:811.
Data last updated:
