We investigated how intranasal zinc (Zn) treatment affects symptoms of allergic rhinitis (AR), specifically focusing on individuals suffering from Japanese cedar pollinosis (JCP), a common seasonal allergy. In our study, we monitored 57 control subjects and 44 patients from preseason through the allergy season, observing the levels of Zn in both nasal fluid and serum.
Our findings showed that after exposure to pollen, the level of zinc in the nasal lining fluid of JCP patients significantly increased, while their serum zinc levels notably decreased compared to the control group during the JCP season. To delve deeper, we used model mice that could mimic these changes and the allergy symptoms of the patients.
The results from this mouse study were promising. We observed that treating these mice with a dose of zinc, similar to what humans might use, led to a notable improvement in their allergy symptoms. Additionally, the number of mucin-secreting goblet cells, which indicate a response to allergies, significantly decreased following the zinc treatment.
Our study points towards the potential of using intranasal zinc as a way to alleviate allergy symptoms, suggesting a new approach to managing allergic rhinitis.
Read More
9
Zinc effectively suppresses allergies
Zinc treatment prevents IgE-mediated Ca influx and allergic response in RBL-2H3 cells.
We explored the potential of zinc to manage allergic responses by examining its effects on a specific type of immune cell called RBL-2H3. This research highlighted how zinc sulfate (ZnSO) treatment can prevent cell degranulation, which is a process crucial for allergic reactions, triggered by antigens and IgE stimulation.
Our findings showed that ZnSO not only inhibited cell degranulation but also reduced the expression of certain immune signaling molecules such as IL-4, IL-13, and COX-2. We observed that the increased levels of calcium inside the cells, which usually accompany these allergic reactions, were significantly lowered with zinc treatment.
Interestingly, while zinc did not interfere with the activation of several key proteins in the signaling pathway, it was effective at reducing the overall calcium influx associated with allergic responses. This suggests that zinc might be acting on calcium release-activated channels, offering a preventative advantage in allergic conditions.
Overall, we conclude that treating with zinc sulfate could be a valuable strategy for suppressing allergic responses, making it a topic worth considering for further research and application in allergy management.
Read More
9
Zinc nanoparticles suppress allergic reactions
ZnO Nanoparticles as Potent Inducers of Dermal Immunosuppression in Contact Hypersensitivity in Mice.
We investigated how zinc oxide nanoparticles (nZnO), commonly found in skin products like sunscreens, influence allergic reactions in the skin. Using a specific mouse model that simulates contact allergies, we wanted to understand whether applying nZnO during the sensitization or challenge phases would alter the immune response.
Our research showed that these nanoparticles, when applied during the allergic reaction, were able to suppress the immune response significantly. We noted a reduction in skin inflammation, with the strongest effects observed within 24 hours of exposure, and these effects lasted up to 28 days. Interestingly, while nZnO didn't hinder the initial allergy sensitization process, it did prevent the allergic reaction from fully developing when the allergen was introduced.
We found that the immunosuppressive properties of nZnO are tied to its ability to disrupt certain inflammatory signaling pathways. These findings suggest that nZnO could provide relief for people dealing with contact allergies, especially those using products containing these nanoparticles. Overall, our study sheds light on the potential benefits and mechanisms of nZnO in managing skin allergies.
Read More
Most Useful Reviews
9
Effective for allergies
9 people found this helpful
Super! I followed the instructions on the can. Despite suffering from atopic dermatitis and allergies, zinc has helped me tremendously. My nails have strengthened as well. This is by far my best order on the site!
Read More
9
Resolved skin allergy
8 people found this helpful
Fabulous! This is the best zinc product from IHerb, which has assisted me with my skin allergy, such as eczema and dryness. It’s genuinely a great product. Thank you to Garden of Life and IHerb!
Read More
7.5
Helps with skin issues
8 people found this helpful
Fantastic zinc! We take it during cold seasons or if we feel unwell. It helps prevent colds and also addresses skin issues like acne and hair loss. Recommended for teens during puberty when skin problems, like spots, arise.
We delved into the effectiveness of zinc treatment in managing allergic rhinitis, aided by a systematic review of clinical studies. Our exploration began with a thorough search of major databases, revealing insights from five clinical reports that met the necessary criteria for inclusion. These studies involved participants ranging from 40 to 180 individuals, providing a balanced mix of genders.
The results spotlighted the positive impact of combining quail egg-based supplements (QES) with zinc. Notably, this combination significantly improved several key measures, such as peak nasal inspiratory flow and mucociliary transport time. We observed that patients experienced relief from troublesome symptoms like nasal congestion, rhinorrhea, and sneezing. Moreover, this combination seemed to reduce the need for standard allergy medications, offering an appealing alternative for those seeking symptom relief.
Importantly, zinc and QES were generally well tolerated, with few reported side effects, which were usually mild and temporary. However, it’s crucial to highlight that individuals with egg allergies should avoid these supplements. As such, while our findings suggest that zinc, particularly in conjunction with QES, can play a role in alleviating allergic rhinitis symptoms, further research is encouraged to solidify these promising results.
Read More
9
Zinc may relieve allergy symptoms
Alleviating effect of intranasal zinc on symptoms of allergic rhinitis.
We investigated how intranasal zinc (Zn) treatment affects symptoms of allergic rhinitis (AR), specifically focusing on individuals suffering from Japanese cedar pollinosis (JCP), a common seasonal allergy. In our study, we monitored 57 control subjects and 44 patients from preseason through the allergy season, observing the levels of Zn in both nasal fluid and serum.
Our findings showed that after exposure to pollen, the level of zinc in the nasal lining fluid of JCP patients significantly increased, while their serum zinc levels notably decreased compared to the control group during the JCP season. To delve deeper, we used model mice that could mimic these changes and the allergy symptoms of the patients.
The results from this mouse study were promising. We observed that treating these mice with a dose of zinc, similar to what humans might use, led to a notable improvement in their allergy symptoms. Additionally, the number of mucin-secreting goblet cells, which indicate a response to allergies, significantly decreased following the zinc treatment.
Our study points towards the potential of using intranasal zinc as a way to alleviate allergy symptoms, suggesting a new approach to managing allergic rhinitis.
Read More
9
Zinc effectively suppresses allergies
Zinc treatment prevents IgE-mediated Ca influx and allergic response in RBL-2H3 cells.
We explored the potential of zinc to manage allergic responses by examining its effects on a specific type of immune cell called RBL-2H3. This research highlighted how zinc sulfate (ZnSO) treatment can prevent cell degranulation, which is a process crucial for allergic reactions, triggered by antigens and IgE stimulation.
Our findings showed that ZnSO not only inhibited cell degranulation but also reduced the expression of certain immune signaling molecules such as IL-4, IL-13, and COX-2. We observed that the increased levels of calcium inside the cells, which usually accompany these allergic reactions, were significantly lowered with zinc treatment.
Interestingly, while zinc did not interfere with the activation of several key proteins in the signaling pathway, it was effective at reducing the overall calcium influx associated with allergic responses. This suggests that zinc might be acting on calcium release-activated channels, offering a preventative advantage in allergic conditions.
Overall, we conclude that treating with zinc sulfate could be a valuable strategy for suppressing allergic responses, making it a topic worth considering for further research and application in allergy management.
Read More
9
Zinc nanoparticles suppress allergic reactions
ZnO Nanoparticles as Potent Inducers of Dermal Immunosuppression in Contact Hypersensitivity in Mice.
We investigated how zinc oxide nanoparticles (nZnO), commonly found in skin products like sunscreens, influence allergic reactions in the skin. Using a specific mouse model that simulates contact allergies, we wanted to understand whether applying nZnO during the sensitization or challenge phases would alter the immune response.
Our research showed that these nanoparticles, when applied during the allergic reaction, were able to suppress the immune response significantly. We noted a reduction in skin inflammation, with the strongest effects observed within 24 hours of exposure, and these effects lasted up to 28 days. Interestingly, while nZnO didn't hinder the initial allergy sensitization process, it did prevent the allergic reaction from fully developing when the allergen was introduced.
We found that the immunosuppressive properties of nZnO are tied to its ability to disrupt certain inflammatory signaling pathways. These findings suggest that nZnO could provide relief for people dealing with contact allergies, especially those using products containing these nanoparticles. Overall, our study sheds light on the potential benefits and mechanisms of nZnO in managing skin allergies.
Read More
8
Zinc supplementation may reduce allergies
Zinc Deficiency and Zinc Supplementation in Allergic Diseases.
We explored how zinc interacts with allergic diseases, which have been rising in prevalence worldwide, affecting both Western and developing nations. The question we aimed to answer was whether zinc deficiency contributes to these allergies and if zinc supplementation can help alleviate symptoms.
Our findings highlight that zinc is an essential trace element crucial for modulating our immune response. This was first noted over 60 years ago, and since then, we have continued to observe the connection between zinc levels and allergic reactions. Allergic conditions like asthma, allergic rhinitis, and skin allergies occur when the immune system overreacts to normally harmless substances, leading to chronic inflammation.
Notably, zinc deficiency can mimic some of the immune responses seen in these allergies, showing how intertwined our nutrition is with our immune health. We noted that while different clinical trials on zinc supplementation yield varied results due to factors like dosage and study design, the overall literature suggests that increasing zinc intake can positively influence immune function and help reduce allergic symptoms.
In conclusion, while further investigation is needed to fully understand the nuances, it appears that maintaining adequate zinc levels could be beneficial for those suffering from allergic diseases.
Super! I followed the instructions on the can. Despite suffering from atopic dermatitis and allergies, zinc has helped me tremendously. My nails have strengthened as well. This is by far my best order on the site!
Read More
9
Resolved skin allergy
8 people found this helpful
Fabulous! This is the best zinc product from IHerb, which has assisted me with my skin allergy, such as eczema and dryness. It’s genuinely a great product. Thank you to Garden of Life and IHerb!
Read More
7.5
Helps with skin issues
8 people found this helpful
Fantastic zinc! We take it during cold seasons or if we feel unwell. It helps prevent colds and also addresses skin issues like acne and hair loss. Recommended for teens during puberty when skin problems, like spots, arise.
Read More
7.5
Smoother skin
7 people found this helpful
I recommend this zinc, as prescribed by my dermatologist for residual allergies. The price is comparable to other options, but the quality is superior. After three weeks, my skin has become smoother, and I only take one capsule daily as directed by my doctor.
Read More
9
Boosts immunity
4 people found this helpful
My allergist-immunologist suggested that my children take Zinc to enhance their immunity. We all take it before school or work to energise ourselves throughout the day, in combination with Omega.
Allergies are the body's immune system responses to substances known as allergens, which can be harmless in most individuals. When a person with allergies encounters these allergens, their immune system mistakenly identifies them as a threat and launches a response. This can lead to symptoms ranging from mild, such as sneezing, itching, and rashes, to severe reactions known as anaphylaxis, which can be life-threatening. Common allergens include pollen, pet dander, certain foods like nuts and shellfish, insect stings, and medications.
Managing allergies often involves avoiding known allergens and using medications such as antihistamines or corticosteroids to alleviate symptoms. In some cases, doctors might recommend allergy shots or immunotherapy to help patients build tolerance over time. If you suspect you have allergies, consulting with a healthcare professional for proper diagnosis and treatment options is crucial. Understanding your triggers and how to live with allergies can significantly improve your quality of life.
Zinc is a versatile metal known for its various applications in industry and health. It is a bluish-white metallic element represented by the symbol Zn and atomic number 30 on the periodic table. Zinc is primarily used for galvanizing steel to prevent rusting, in the manufacturing of alloys, and as a component in batteries. Additionally, zinc plays a crucial role in biological processes, making it an essential trace element in the human diet. It is involved in immune function, protein synthesis, wound healing, and DNA synthesis, highlighting its importance in maintaining overall health and well-being.
Zinc has been studied for its potential effects on the immune system, and some research suggests that it may play a role in managing allergic responses. While zinc is essential for maintaining overall immune function, a direct link between zinc supplementation and reduction in allergy symptoms has not been firmly established. Some studies indicate that zinc may help modulate inflammation and could potentially benefit those with allergic rhinitis or other allergic conditions, but results can vary widely among individuals.
If you're considering zinc as a supplement for allergies, it’s vital to consult with a healthcare professional first. They can provide personalized advice based on your health status and any medications you might be taking. Additionally, focusing on a balanced diet rich in zinc-containing foods like nuts, seeds, legumes, and whole grains can offer support to your overall health and immune function, which may indirectly influence how your body handles allergens.
Based on user reviews, it typically takes users about one to three weeks to see noticeable results when taking zinc for allergies. For instance, one user reported significant improvements in their skin after three weeks of consistent use Read Review. Another user noted that they began to experience benefits after just one week on the supplement Read Review. Additionally, a review highlighted that it might take one to two weeks to see results due to the complexity of the ingredients Read Review.
Several users confirm a correlation between taking zinc and improvements in their allergic reactions or skin conditions. Certain individuals mentioned enhancements to their skin clarity and reduction in allergy symptoms after a period of consistent supplementation Read Review. Overall, the general consensus among users is that patience is key, and the timeframe for results can vary.
Recent research indicates that zinc may play a significant role in alleviating allergy symptoms, particularly those associated with allergic rhinitis. A systematic review found that the combination of zinc with quail egg supplements improved nasal flow and reduced symptoms like congestion and sneezing, while also diminishing reliance on standard allergy medications [1]. Another study highlighted the positive effects of intranasal zinc on patients with Japanese cedar pollinosis, where zinc treatment significantly improved allergy symptoms in mice that mirrored human responses [2]. These findings suggest that incorporating zinc into allergy management strategies could yield beneficial results.
Moreover, zinc's immune-modulating properties further support its potential in managing allergies. Research has shown that zinc can inhibit processes associated with allergic reactions and reduce inflammation, which correlates with a lower incidence of allergic diseases like asthma and atopic dermatitis [5]. The cumulative evidence points to zinc's integral role in bolstering immune responses against allergies, although additional studies are necessary for more definitive conclusions [6]. Therefore, those dealing with allergies might find zinc supplementation to be an effective adjunct to their treatment regimen.
Users report a variety of improvements in symptoms after taking zinc supplements, particularly concerning skin issues and allergies. For instance, one user suffering from atopic dermatitis noted tremendous relief and even stronger nails after consistent use Read Review. Another shared that their skin allergies, including eczema and dryness, improved significantly after incorporating zinc into their routine Read Review. Many users also commented on enhanced hair health, with some experiencing reduced hair loss and improved overall hair quality Read ReviewRead Review.
In addition to dermatological benefits, users report better immune function and a decrease in allergy symptoms. One user mentioned that after trying various supplements, they finally achieved relief from allergies and improved sleep quality after starting zinc Read Review. Another individual found that regular use before school helped energize their family and boost immunity Read Review. Overall, while many users experience positive outcomes, it's important to note that individual results can vary widely.
Based on user reviews, many individuals report positive experiences when combining zinc supplements with other products for managing allergies. For instance, one user mentioned that their allergist recommended combining zinc with Omega to enhance immunity, particularly for their children during school, which led to a notable increase in energy levels Read Review. Additionally, several users have highlighted the effectiveness of zinc in alleviating allergy symptoms, with one noting that after switching to zinc supplementation, their brother experienced significant improvement in allergy symptoms that had persisted despite other treatments Read Review.
Moreover, users have reported that zinc helps prevent allergies while also addressing other health issues, such as colds and skin problems Read Review. However, some users have cautioned that, despite zinc's benefits, there can be a possibility of experiencing allergies to the supplement or its additional ingredients Read Review. Overall, while combining zinc with other supplements seems to be well-received and often effective, individuals are advised to monitor their responses to the combination carefully.
Users report varying experiences regarding the right dosage of zinc for treating allergies, with most recommending taking one capsule daily. One reviewer noted that after following their dermatologist's advice to take one capsule daily, their skin significantly improved within three weeks Read Review. Another user echoed this sentiment, suggesting that a daily preventative dosage of one capsule is effective for protection against viruses and infections Read Review.
Additionally, a few users shared their positive experiences after using zinc for a week to alleviate allergic reactions, indicating a potential for quicker relief than some might expect Read Review. However, it's worth noting that not everyone experiences smooth sailing; while many find zinc helpful, others have reported allergic reactions while supplementing Read Review. Ultimately, users suggest consulting with a healthcare professional to determine what dosage may work best for individual allergy needs.
7.5
Smoother skin
7 people found this helpful
I recommend this zinc, as prescribed by my dermatologist for residual allergies. The price is comparable to other options, but the quality is superior. After three weeks, my skin has become smoother, and I only take one capsule daily as directed by my doctor.
7.5
Recommended for deficiency
3 people found this helpful
I often experience itchy skin due to allergies, and various treatments failed. My doctor suggested zinc supplementation. After taking one tablet daily for about a week, I've noticed improvements.
6
Delayed results
This product is very good, but it takes one to two weeks to see results. However, due to many ingredients, you may experience allergies to some components in the vitamin.
9
Less hair loss
4 people found this helpful
This product works excellently! Though zinc often comes with side effects, this one is easy to take. After two weeks, my hair has fallen out less, and my skin appears fresher and clearer. Plus, it contains vitamin C, which is beneficial.
9
Effective for allergies
9 people found this helpful
Super! I followed the instructions on the can. Despite suffering from atopic dermatitis and allergies, zinc has helped me tremendously. My nails have strengthened as well. This is by far my best order on the site!
9
Resolved skin allergy
8 people found this helpful
Fabulous! This is the best zinc product from IHerb, which has assisted me with my skin allergy, such as eczema and dryness. It’s genuinely a great product. Thank you to Garden of Life and IHerb!
9
Stronger nails
This zinc supplement has a chelated form that is easily digestible, and I take one capsule with food. My nails are stronger, my hair loss has decreased, and my hand allergies have disappeared. There are no side effects experienced.
9
Improved sleep
3 people found this helpful
Excellent product! I purchased this after discovering that zinc deficiency might cause allergies and sleep issues. After trying various products, I now sleep well and have stopped sneezing.
9
Boosts immunity
4 people found this helpful
My allergist-immunologist suggested that my children take Zinc to enhance their immunity. We all take it before school or work to energise ourselves throughout the day, in combination with Omega.
9
Allergy relief
This zinc supplement worked wonders! After using it, my brother's allergy cleared up. He had tried various supplements, but this raw zinc brought real improvement. After switching drugs briefly, his allergy returned, but upon resuming this zinc, he felt much better!
9
Family wellness
1 people found this helpful
This zinc is fantastic for the family during cold season. It helps illnesses pass quickly or prevents us from getting sick altogether while not aggravating allergies. We always keep it at home.
7.5
Effective prevention
I really liked this natural zinc; it doesn't cause nausea (as long as you aren't allergic). The preventive dosage suggests taking one capsule daily. Zinc effectively protects against viruses and infections, making it a good option if your diet lacks sufficient zinc.
0
Not suitable for everyone
It's a natural product, but I experienced an allergy while supplementing with it.
9
Zinc and QES alleviate allergies
Quail Egg-Based Supplements in Allergic Rhinitis: A Systematic Review of Clinical Studies.
We delved into the effectiveness of zinc treatment in managing allergic rhinitis, aided by a systematic review of clinical studies. Our exploration began with a thorough search of major databases, revealing insights from five clinical reports that met the necessary criteria for inclusion. These studies involved participants ranging from 40 to 180 individuals, providing a balanced mix of genders.
The results spotlighted the positive impact of combining quail egg-based supplements (QES) with zinc. Notably, this combination significantly improved several key measures, such as peak nasal inspiratory flow and mucociliary transport time. We observed that patients experienced relief from troublesome symptoms like nasal congestion, rhinorrhea, and sneezing. Moreover, this combination seemed to reduce the need for standard allergy medications, offering an appealing alternative for those seeking symptom relief.
Importantly, zinc and QES were generally well tolerated, with few reported side effects, which were usually mild and temporary. However, it’s crucial to highlight that individuals with egg allergies should avoid these supplements. As such, while our findings suggest that zinc, particularly in conjunction with QES, can play a role in alleviating allergic rhinitis symptoms, further research is encouraged to solidify these promising results.
9
Zinc may relieve allergy symptoms
Alleviating effect of intranasal zinc on symptoms of allergic rhinitis.
We investigated how intranasal zinc (Zn) treatment affects symptoms of allergic rhinitis (AR), specifically focusing on individuals suffering from Japanese cedar pollinosis (JCP), a common seasonal allergy. In our study, we monitored 57 control subjects and 44 patients from preseason through the allergy season, observing the levels of Zn in both nasal fluid and serum.
Our findings showed that after exposure to pollen, the level of zinc in the nasal lining fluid of JCP patients significantly increased, while their serum zinc levels notably decreased compared to the control group during the JCP season. To delve deeper, we used model mice that could mimic these changes and the allergy symptoms of the patients.
The results from this mouse study were promising. We observed that treating these mice with a dose of zinc, similar to what humans might use, led to a notable improvement in their allergy symptoms. Additionally, the number of mucin-secreting goblet cells, which indicate a response to allergies, significantly decreased following the zinc treatment.
Our study points towards the potential of using intranasal zinc as a way to alleviate allergy symptoms, suggesting a new approach to managing allergic rhinitis.
7
Zinc's mixed effects on allergies
Micronutrients and Allergic Diseases: A Mendelian Randomization Study.
We examined the relationship between zinc levels and common allergic diseases like allergic asthma, atopic dermatitis, and allergic rhinitis. By leveraging Mendelian randomization analysis, we looked into how varying concentrations of zinc could influence the risk of these allergies.
Our findings suggest that higher zinc levels in the bloodstream may help lower the chances of developing allergic asthma and atopic dermatitis. However, we also observed that an increase in vitamin C could potentially raise the risk of atopic dermatitis, indicating a complex interaction among nutrients.
Additionally, it seems that zinc, alongside phosphorus, could play a role in reducing the risk of allergic rhinitis. While these results are promising, it's important to note that they don't fully isolate zinc’s effects from other micronutrients, which means more focused research could clarify its role in managing allergies.
8
Zinc supplementation may reduce allergies
Zinc Deficiency and Zinc Supplementation in Allergic Diseases.
We explored how zinc interacts with allergic diseases, which have been rising in prevalence worldwide, affecting both Western and developing nations. The question we aimed to answer was whether zinc deficiency contributes to these allergies and if zinc supplementation can help alleviate symptoms.
Our findings highlight that zinc is an essential trace element crucial for modulating our immune response. This was first noted over 60 years ago, and since then, we have continued to observe the connection between zinc levels and allergic reactions. Allergic conditions like asthma, allergic rhinitis, and skin allergies occur when the immune system overreacts to normally harmless substances, leading to chronic inflammation.
Notably, zinc deficiency can mimic some of the immune responses seen in these allergies, showing how intertwined our nutrition is with our immune health. We noted that while different clinical trials on zinc supplementation yield varied results due to factors like dosage and study design, the overall literature suggests that increasing zinc intake can positively influence immune function and help reduce allergic symptoms.
In conclusion, while further investigation is needed to fully understand the nuances, it appears that maintaining adequate zinc levels could be beneficial for those suffering from allergic diseases.
References
Antonelli M, Mazzoleni E, Donelli D. Quail Egg-Based Supplements in Allergic Rhinitis: A Systematic Review of Clinical Studies. Nutrients. 2025;17. doi:10.3390/nu17040712
Xu H, Tong K, Iwasaki N, Ohgami N, Tazaki A, et al. Alleviating effect of intranasal zinc on symptoms of allergic rhinitis. J Allergy Clin Immunol Glob. 2025;4:100408. doi:10.1016/j.jacig.2025.100408
Otsuka T, Sato K, Kamiya T, Tanaka H, Hara H. Zinc treatment prevents IgE-mediated Ca influx and allergic response in RBL-2H3 cells. Eur J Pharmacol. 2025;994:177391. doi:10.1016/j.ejphar.2025.177391
Wang S, Ilves M, Mäenpää K, Zhao L, El-Nezami H, et al. ZnO Nanoparticles as Potent Inducers of Dermal Immunosuppression in Contact Hypersensitivity in Mice. ACS Nano. 2024;18:29479. doi:10.1021/acsnano.4c04270
Changhai L, Zaichun W, Bo Y, Dan L, Shaohua W. Micronutrients and Allergic Diseases: A Mendelian Randomization Study. Int Arch Allergy Immunol. 2025;186:41. doi:10.1159/000540376
Maywald M, Rink L. Zinc Deficiency and Zinc Supplementation in Allergic Diseases. Biomolecules. 2024;14. doi:10.3390/biom14070863
Wei Y, Zhu X, Lin S, Yang W, Wang T, et al. Zinc gluconate improves atopic dermatitis by modulating CXCL10 release of keratinocytes via PPARα activation. Biomed Pharmacother. 2024;177:117129. doi:10.1016/j.biopha.2024.117129