We explored how zinc might help in treating and preventing the common cold. The study focused on zinc's effects, isolating it from other treatments to understand its true impact on cold symptoms. By doing this, the researchers aimed to clarify whether zinc could genuinely shorten the duration of a cold or alleviate its symptoms.
The findings were intriguing but showed that zinc might not yield significant benefits for everyone. While some individuals reported a slight reduction in cold symptoms, the evidence did not strongly support zinc as an effective treatment overall.
This means that, for those seeking relief from a nasty cold, zinc alone might not be the go-to solution we hoped it would be. It’s essential to consider this information when deciding on a cold treatment plan and to approach zinc with realistic expectations.
Read More
9
Zinc enhances rice cold resistance
Effects of different cold-resistant agents and application methods on yield and cold-resistance of machine-transplanted early rice.
We explored the impact of zinc-amino acids chelate on cold stress resistance in machine-transplanted early rice. Our investigation included other cold-resistant agents like uniconazole and abscisic acid, but we found zinc to be particularly effective. When applied during the regreening stage, zinc notably enhanced rice growth by promoting tillering and increasing the leaf area, which led to better yields.
We noted that zinc-amino acids chelate improved antioxidant enzyme activities, which are crucial for helping rice withstand cold temperatures. The yield of rice treated with zinc was approximately 9.22% higher than with uniconazole and 7.14% higher than with abscisic acid.
Additionally, we observed that using 750 g/ha of zinc-amino acids chelate during the transplanting and regreening stages yielded the best results. The timing of the application played a critical role, as spraying during these specific phases maximized both yield and cold resistance.
Overall, zinc treatments stand out as a promising option for improving cold stress resilience in early rice, making it a key consideration for farmers dealing with cold climate conditions.
Read More
8
Zinc mouthwash reduces cold symptoms
Efficacy of regular gargling with a cetylpyridinium chloride plus zinc containing mouthwash can reduce upper respiratory symptoms.
We explored the impact of regular gargling with an antimicrobial mouthwash that contains both cetylpyridinium chloride and zinc on upper respiratory symptoms. A total of 150 participants were split into two groups; one group just brushed their teeth, while the other group brushed and gargled with the mouthwash twice a day over three months.
Our findings revealed that those using the mouthwash experienced a 21.5% reduction in the frequency and an 11% decrease in the severity of respiratory symptoms. This strongly suggests that incorporating zinc, alongside cetylpyridinium chloride, can provide benefits for those suffering from cold-related symptoms.
However, it’s important to note that this study’s design involved multiple components, and we can’t isolate zinc’s effectiveness from the impact of the other ingredients. Still, the results encourage us to view mouthwash with these ingredients as a helpful addition to our daily hygiene routines, especially during cold and flu season.
Ultimately, this research indicates that gargling with a mouthwash containing zinc and cetylpyridinium chloride can indeed help alleviate some unpleasant cold symptoms, but we should be mindful of the combination's effects when interpreting these outcomes.
Read More
Most Useful Reviews
9
Knocks out colds
2 people found this helpful
A must when a cold is afoot. It helps to knock out my colds and shortens their duration. A must-have!
Read More
9
Wards off cold
2 people found this helpful
The secret to warding off a cold! I take one zinc pill along with a package of Emergen-C whenever I sense a cold coming on. It works every time! New Chapter's products, including their multi-vitamin and energy supplements, never upset my stomach, and I feel so good using them.
Read More
9
Instant relief
A fantastic brand producing effective zinc, fermented and with numerous organic certifications. At the first sign of a cold, I take a pill and experience relief almost instantly. I recommend it for seasonal use.
We explored the impact of zinc-amino acids chelate on cold stress resistance in machine-transplanted early rice. Our investigation included other cold-resistant agents like uniconazole and abscisic acid, but we found zinc to be particularly effective. When applied during the regreening stage, zinc notably enhanced rice growth by promoting tillering and increasing the leaf area, which led to better yields.
We noted that zinc-amino acids chelate improved antioxidant enzyme activities, which are crucial for helping rice withstand cold temperatures. The yield of rice treated with zinc was approximately 9.22% higher than with uniconazole and 7.14% higher than with abscisic acid.
Additionally, we observed that using 750 g/ha of zinc-amino acids chelate during the transplanting and regreening stages yielded the best results. The timing of the application played a critical role, as spraying during these specific phases maximized both yield and cold resistance.
Overall, zinc treatments stand out as a promising option for improving cold stress resilience in early rice, making it a key consideration for farmers dealing with cold climate conditions.
Read More
8
Zinc mouthwash reduces cold symptoms
Efficacy of regular gargling with a cetylpyridinium chloride plus zinc containing mouthwash can reduce upper respiratory symptoms.
We explored the impact of regular gargling with an antimicrobial mouthwash that contains both cetylpyridinium chloride and zinc on upper respiratory symptoms. A total of 150 participants were split into two groups; one group just brushed their teeth, while the other group brushed and gargled with the mouthwash twice a day over three months.
Our findings revealed that those using the mouthwash experienced a 21.5% reduction in the frequency and an 11% decrease in the severity of respiratory symptoms. This strongly suggests that incorporating zinc, alongside cetylpyridinium chloride, can provide benefits for those suffering from cold-related symptoms.
However, it’s important to note that this study’s design involved multiple components, and we can’t isolate zinc’s effectiveness from the impact of the other ingredients. Still, the results encourage us to view mouthwash with these ingredients as a helpful addition to our daily hygiene routines, especially during cold and flu season.
Ultimately, this research indicates that gargling with a mouthwash containing zinc and cetylpyridinium chloride can indeed help alleviate some unpleasant cold symptoms, but we should be mindful of the combination's effects when interpreting these outcomes.
Read More
8
Zinc’s effects on colds
Zinc for prevention and treatment of the common cold: Summary of a Cochrane review.
We explored how zinc might help in treating and preventing the common cold. The study focused on zinc's effects, isolating it from other treatments to understand its true impact on cold symptoms. By doing this, the researchers aimed to clarify whether zinc could genuinely shorten the duration of a cold or alleviate its symptoms.
The findings were intriguing but showed that zinc might not yield significant benefits for everyone. While some individuals reported a slight reduction in cold symptoms, the evidence did not strongly support zinc as an effective treatment overall.
This means that, for those seeking relief from a nasty cold, zinc alone might not be the go-to solution we hoped it would be. It’s essential to consider this information when deciding on a cold treatment plan and to approach zinc with realistic expectations.
Read More
User Reviews
USERS' SCORE
Good
Based on 26 Reviews
8
All Reviews
Positive Reviews
Negative Reviews
9
Knocks out colds
2 people found this helpful
A must when a cold is afoot. It helps to knock out my colds and shortens their duration. A must-have!
Read More
9
Wards off cold
2 people found this helpful
The secret to warding off a cold! I take one zinc pill along with a package of Emergen-C whenever I sense a cold coming on. It works every time! New Chapter's products, including their multi-vitamin and energy supplements, never upset my stomach, and I feel so good using them.
Read More
9
Instant relief
A fantastic brand producing effective zinc, fermented and with numerous organic certifications. At the first sign of a cold, I take a pill and experience relief almost instantly. I recommend it for seasonal use.
Read More
9
Very helpful
Zinc with copper is a smart supplement, particularly beneficial during colds. I appreciate the combination with copper.
Read More
9
Cold shield
The Class Fermented Zinc Complex (60 Vegetarian Tablets) acts as my cold shield and immune booster! They are easy to take and work brilliantly. Now, I feel invincible!
Cold is a term that refers to a state of low temperature, often associated with a perceptibly chilly environment or the sensation of being cool to the touch. Scientifically, cold is relative to the presence and movement of heat, which is a measure of energy within matter. In everyday terms, we experience cold through weather changes, such as during winter months, and it can also be described in the context of specific temperature ranges – for example, temperatures below 32 degrees Fahrenheit (0 degrees Celsius) generally signify freezing conditions, which can impact outdoor activities, personal comfort, and various ecological systems.
Moreover, the sensation of cold is not solely dependent on temperature; factors like humidity and wind chill can enhance the feeling of coldness. When discussing cold in terms of human health, prolonged exposure to cold conditions can lead to hypothermia or frostbite if body heat is not effectively maintained. Hence, it's crucial to dress appropriately and take necessary precautions during colder months to prevent adverse effects. Understanding the concept of cold can help individuals better prepare for seasonal changes and ensure their comfort and safety.
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.
The potential benefits of zinc in treating the common cold have been the subject of several studies, and the results indicate that zinc may indeed play a role in reducing the severity and duration of cold symptoms. Zinc is known to support immune function, which makes it a popular supplement during cold season. Some research suggests that taking zinc lozenges or syrup within 24 hours of the onset of cold symptoms can shorten the duration of the illness and help alleviate symptoms like sore throat and nasal congestion. However, it's important to note that these effects can vary from person to person, and not all studies are in agreement.
While zinc lozenges can be effective, it's crucial to avoid excessive intake, as high doses of zinc can lead to side effects such as nausea or a bad taste in the mouth. Always consult with a healthcare provider before starting any new supplement regimen, particularly if you have underlying health conditions or are taking other medications. Overall, incorporating zinc into your routine may offer some benefits during cold season, but it should not replace other preventive measures, such as proper hygiene and vaccination against respiratory illnesses.
Based on user reviews, many individuals report experiencing relief from cold symptoms almost immediately after taking the supplement, particularly when taken at the first sign of illness Read ReviewRead Review. Users often describe a marked improvement in their condition within a short timeframe. For instance, some have noted that their symptoms subside within a few days, especially when the supplement is combined with other vitamins like C Read ReviewRead Review.
However, experiences can vary considerably. A few users mentioned a gradual improvement over a week, where they felt more energetic and less prone to future colds Read Review. In summary, while some people may see quick results within days, others may require a week to notice significant changes in their health status.
Research on the effectiveness of zinc for combating cold symptoms presents a mixed picture. A study indicated that participants using a mouthwash containing zinc experienced a significant 21.5% reduction in the frequency of cold-related symptoms, alongside an 11% decrease in severity, suggesting potential benefits in easing upper respiratory symptoms during cold and flu season [1]. However, it's crucial to note that this study involved other ingredients, so the specific contribution of zinc remains unclear. Separately, another investigation concluded that while zinc might offer some relief, it is not universally effective, with many users not experiencing significant improvements in their cold symptoms [2].
Consequently, while there are indications that zinc can play a role in alleviating cold symptoms, its effectiveness varies among individuals and may not be the best standalone treatment for everyone. When considering zinc as part of your cold treatment regimen, it's important to approach it with realistic expectations and perhaps in conjunction with other remedies for better overall results.
Users have reported a range of positive improvements in their symptoms after using the zinc supplement. Many reviewers noted an almost instant alleviation of cold symptoms, particularly when taking the product at the first sign of illness. For instance, one user mentioned they experience immediate relief and recommend it for seasonal use Read Review. Others have experienced improvements in both energy levels and general wellbeing, with specific mention of feeling "invincible" or more robust against colds Read ReviewRead Review. Additionally, a user elaborated that their symptoms disappeared within days when combined with vitamin C Read Review.
However, it's essential to note that individual experiences can differ significantly, as some users reported more gradual improvements. One individual indicated that it took about a week to feel noticeably better and less fatigued, implying a longer recovery time for some Read Review. Others mentioned that, while the supplement helped them avoid colds initially, its effectiveness decreased over time Read Review. This variability suggests that while many users see quick recovery benefits, others may experience a slower response or changing effectiveness based on their health and lifestyle factors.
Users have reported various positive outcomes when combining this zinc supplement with other vitamins, particularly vitamin C. Many individuals emphasize the effectiveness of using zinc alongside vitamin C to help alleviate cold symptoms quickly. For instance, one user noted that when taken together, the cold symptoms disappeared within a few days Read Review. Another reviewer specifically mentioned taking zinc with vitamin C and reporting effective recovery when feeling a cold coming on Read Review. This suggests that the synergistic effect of these supplements may enhance immune support during cold season.
Moreover, several users indicated the benefits of pairing zinc with vitamin D3 and other complementary nutrients. One user shared their routine of using zinc, vitamin C, and D3 to prevent and treat colds effectively, expressing satisfaction with the combined effects Read Review. This adaptability in supplement combination seems to resonate well with users, who appreciate the flexibility in tailoring their health regimens, depending on their needs during cold season.
Based on user reviews, there is a consensus that the right dosage of zinc for treating colds can vary, but many users reported effective outcomes with higher doses. For instance, one reviewer noted that taking "two vitamins a day along with vitamin C" during illness helped their cold disappear quickly Read Review. Another user mentioned using zinc "every other day" garnered initial successes in preventing colds for a couple of months, although they noted a decrease in effectiveness potentially due to lifestyle changes Read Review.
Furthermore, according to a reviewer who appreciated the product's formulation, incorporating zinc alongside vitamin C is essential when feeling the onset of a cold Read Review. On the whole, users recommend monitoring copper levels when taking zinc, suggesting a dosage frequency that aligns with one's individual health needs, especially in the context of preventative versus treatable measures during cold seasons Read Review. This information underscores the importance of personalized dosing and combination with other supplements for optimal cold management.
9
Instant relief
A fantastic brand producing effective zinc, fermented and with numerous organic certifications. At the first sign of a cold, I take a pill and experience relief almost instantly. I recommend it for seasonal use.
9
Fast acting
This zinc truly makes a difference. It's an excellent label overall, and it has an almost immediate effect, alleviating cold symptoms and speeding up recovery.
7.5
Nursing illness
In the season of colds and viruses, this is a necessary product that helps in recovering from an illness in a few days, especially when combined with vitamin C.
7.5
Relieves cold
The composition is very good. When I feel unwell, my daughter and I take two vitamins a day along with vitamin C, and the cold disappears within days. I highly recommend it.
7.5
Strengthens immunity
New Chapter's fermented zinc comes in neat packaging. With high hopes, I found little change initially, but after about a week, I felt less fatigued and brighter in skin tone. I believe my immunity has strengthened, and I am less prone to colds now. The product is easy to digest and made from natural ingredients, ensuring comfort for sensitive stomachs.
9
Cold shield
The Class Fermented Zinc Complex (60 Vegetarian Tablets) acts as my cold shield and immune booster! They are easy to take and work brilliantly. Now, I feel invincible!
9
Avoids colds
Taking this product helped us avoid the colds and flu circulating this season. It keeps you healthy.
6
Effective for a while
Initially, this product kept common colds and sinus issues away for two months. I don't take it daily, but every other day. It seems to be less effective now, possibly due to my lifestyle change. Nevertheless, I will keep using it as it is easy to swallow with minimal upset.
7.5
Prevents impending cold
The packaging is neat and labelled organic, which is reassuring. I take this along with vitamin C when I feel a cold coming on, and it seems effective. If there are special offers, I will continue purchasing this.
7.5
Effective prevention
I use zinc as part of my routine for preventing and treating colds, alongside vitamin C and D3. They work well together, and thanks to this brand, I've effectively avoided viral illnesses.
7.5
Good quality zinc
Excellent zinc with a high dosage from the reputable New Chapter brand. It has a bioavailable form, making it ideal for addressing deficiencies or for use in the initial stages of a cold. While taking zinc, it’s essential to keep an eye on copper levels, as zinc may inhibit copper absorption.
8
Zinc mouthwash reduces cold symptoms
Efficacy of regular gargling with a cetylpyridinium chloride plus zinc containing mouthwash can reduce upper respiratory symptoms.
We explored the impact of regular gargling with an antimicrobial mouthwash that contains both cetylpyridinium chloride and zinc on upper respiratory symptoms. A total of 150 participants were split into two groups; one group just brushed their teeth, while the other group brushed and gargled with the mouthwash twice a day over three months.
Our findings revealed that those using the mouthwash experienced a 21.5% reduction in the frequency and an 11% decrease in the severity of respiratory symptoms. This strongly suggests that incorporating zinc, alongside cetylpyridinium chloride, can provide benefits for those suffering from cold-related symptoms.
However, it’s important to note that this study’s design involved multiple components, and we can’t isolate zinc’s effectiveness from the impact of the other ingredients. Still, the results encourage us to view mouthwash with these ingredients as a helpful addition to our daily hygiene routines, especially during cold and flu season.
Ultimately, this research indicates that gargling with a mouthwash containing zinc and cetylpyridinium chloride can indeed help alleviate some unpleasant cold symptoms, but we should be mindful of the combination's effects when interpreting these outcomes.
8
Zinc’s effects on colds
Zinc for prevention and treatment of the common cold: Summary of a Cochrane review.
We explored how zinc might help in treating and preventing the common cold. The study focused on zinc's effects, isolating it from other treatments to understand its true impact on cold symptoms. By doing this, the researchers aimed to clarify whether zinc could genuinely shorten the duration of a cold or alleviate its symptoms.
The findings were intriguing but showed that zinc might not yield significant benefits for everyone. While some individuals reported a slight reduction in cold symptoms, the evidence did not strongly support zinc as an effective treatment overall.
This means that, for those seeking relief from a nasty cold, zinc alone might not be the go-to solution we hoped it would be. It’s essential to consider this information when deciding on a cold treatment plan and to approach zinc with realistic expectations.
References
Muniz FWMG, Casarin M, Pola NM, Rösing CK, Silveira TMD, et al. Efficacy of regular gargling with a cetylpyridinium chloride plus zinc containing mouthwash can reduce upper respiratory symptoms. PLoS One. 2025;20:e0316807. 10.1371/journal.pone.0316807
Wieland LS. Zinc for prevention and treatment of the common cold: Summary of a Cochrane review. Explore (NY). 2025;21:103111. 10.1016/j.explore.2025.103111
Yuan S, Qin S, Shi Q, Chen P, Tu N, et al. Effects of different cold-resistant agents and application methods on yield and cold-resistance of machine-transplanted early rice. Front Plant Sci. 2024;15:1422374. 10.3389/fpls.2024.1422374