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
Helpful in colds
10 people found this helpful
I take it for myself and my mother. With cold symptoms, I drink two a day. It's an irreplaceable assistant in my first aid kit, and after a couple of days, the illness is less noticeable.
Read More
9
Eases cold symptoms
3 people found this helpful
As part of zinc gluconate, it is well suited for treating colds. When I had a cold, the illness was milder, and after a couple of days, everything was resolved. Zinc gluconate is particularly effective if you're deficient in zinc. I recommend it for prevention and immune support.
Read More
9
Shock course
1 people found this helpful
This very high dosage is appropriate for the cold season when taking a quick “shock” course for 5-10 days. I mix it with vitamin D, C, and fish oil – mmm, I didn’t get sick.
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
Moderately Good
Based on 121 Reviews
7.9
All Reviews
Positive Reviews
Negative Reviews
9
Helpful in colds
10 people found this helpful
I take it for myself and my mother. With cold symptoms, I drink two a day. It's an irreplaceable assistant in my first aid kit, and after a couple of days, the illness is less noticeable.
Read More
9
Eases cold symptoms
3 people found this helpful
As part of zinc gluconate, it is well suited for treating colds. When I had a cold, the illness was milder, and after a couple of days, everything was resolved. Zinc gluconate is particularly effective if you're deficient in zinc. I recommend it for prevention and immune support.
Read More
9
Shock course
1 people found this helpful
This very high dosage is appropriate for the cold season when taking a quick “shock” course for 5-10 days. I mix it with vitamin D, C, and fish oil – mmm, I didn’t get sick.
Read More
10
Cold symptom relief
I purchased zinc for my family to take during moments of colds. I tried it myself, and on the first day of feeling unwell, I began taking it with vitamin C. After 2 days, I had no cold symptoms.
Read More
10
No colds found
I haven't had a cold for two years. My doctor advised taking this zinc 50 mg twice a year for two months. My husband and I have followed this regimen and never caught a cold. Last year, I added vitamin C and vitamin D3 for added support, and I highly recommend this approach.
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 seeing improvement in their cold symptoms within a couple of days of starting zinc supplementation. For instance, one user mentioned that after drinking two doses a day, the illness became less noticeable after a few days Read Review. Similarly, another user experienced a milder illness and resolution within a couple of days while taking zinc gluconate Read Review.
Additionally, some users emphasize the importance of starting zinc at the first sign of a cold, highlighting its effectiveness when combined with vitamins C and D Read Review. Others have noted that taking it regularly or following a regimen can lead to longer-term immune benefits, with one user stating they began seeing results after two months of consistent usage Read Review. Overall, while individual experiences may vary, many report that significant effects can often be felt within a few days following the onset of cold symptoms.
No, the supplement zinc is not strongly supported by scientific research for effectively treating colds. While some studies suggest that zinc may provide minor benefits in reducing the severity of cold symptoms, the overall evidence remains inconclusive. One research study found that gargling with a mouthwash containing zinc led to a 21.5% reduction in the frequency of respiratory symptoms and an 11% decrease in severity [1]. However, the effectiveness of zinc alone was called into question in another study, which noted that while some individuals experienced a slight reduction in symptoms, the evidence did not robustly support zinc as a reliable treatment for the common cold [2].
In summary, while zinc can be part of a broader strategy for illness prevention during the cold season—especially when considering that some individuals may experience slight improvements—it's important to approach its use with realistic expectations and not rely solely on zinc for cold relief. Overall, the current research indicates that zinc alone might not be the solution many are looking for when recovering from a cold.
Based on user reviews, many individuals report significant improvements in their cold symptoms when taking zinc, often within a few days. Users have noted that combining zinc with vitamins C and D enhances its effectiveness in alleviating symptoms. One user stated that after taking zinc gluconate, their cold was milder, resolving completely within a couple of days, while another expressed the benefit of pairing zinc with other supplements, which helped them avoid catching a cold altogether Read Review.
Moreover, several reviewers emphasize that starting zinc at the first sign of a cold can lead to quicker recovery, with one user experiencing rapid response and management of symptoms, ultimately attributing their reduced frequency of illness to zinc supplementation Read Review. Individuals using a regular regimen of zinc have reported consistent immune support, reducing overall sick days and improving their body's resilience during colder months. It's worth noting, however, that responses can vary from person to person; while many have had positive outcomes, some may experience different results based on their unique health conditions.
Based on user reviews, many individuals report that combining zinc with other supplements, particularly vitamin C and vitamin D, significantly enhances its effectiveness in managing cold symptoms. Users have noted that this combination not only helps in quick recovery but also acts as a preventive measure against catching colds. For instance, one family emphasizes that taking zinc along with vitamin C, D3, and omega-3 has kept them from getting sick during the cold season, highlighting the synergy of these supplements in promoting their immune health Read Review. Another user reported remarkable results after using vitamin C and D3 alongside zinc, suggesting a stronger immune response and reducing the chances of falling ill Read Review.
Additionally, reviewers consistently mention the importance of starting zinc supplements at the first sign of cold symptoms, ideally accompanied by vitamins C and D, to protect against lung infections and hasten recovery Read Review. Many also share that this approach has led to fewer sick days and a general boost in their immune resilience, reinforcing the idea that a combination of supplements can create a comprehensive defense against seasonal illnesses Read Review. Overall, user feedback strongly supports the pairing of zinc with other vitamins for enhanced cold management.
Users report varying effective doses of zinc for treating colds, with many finding success particularly with dosages of around 50 mg. For instance, one user mentioned following a regimen of 50 mg twice a year for two months, which they claim helped them avoid colds altogether (Read Review). Another review highlighted that taking a very high dosage in a “shock” course for 5-10 days during the cold season was beneficial (Read Review). It appears that starting zinc at the first sign of a cold, particularly in combination with vitamin C and D, is a common strategy among users.
Moreover, there are recommendations to take zinc in conjunction with other vitamins to enhance its effectiveness. Several users emphasized that pairing zinc with vitamin C and D not only helps during a cold but could also prevent one from getting sick at all (Read Review, Read Review). Overall, zinc is viewed as an essential remedy for colds, with many users asserting that it bolsters the immune system and significantly reduces the severity and duration of cold symptoms.
9
Helpful in colds
10 people found this helpful
I take it for myself and my mother. With cold symptoms, I drink two a day. It's an irreplaceable assistant in my first aid kit, and after a couple of days, the illness is less noticeable.
9
Eases cold symptoms
3 people found this helpful
As part of zinc gluconate, it is well suited for treating colds. When I had a cold, the illness was milder, and after a couple of days, everything was resolved. Zinc gluconate is particularly effective if you're deficient in zinc. I recommend it for prevention and immune support.
9
Prevents lung issues
Zinc must be taken at the first sign of a cold, alongside vitamin C and D. It protects the body and prevents lung infections. I strongly recommend it during a pandemic at the first symptoms of a cold.
9
Effective for colds
I absolutely love this brand and this supplement; it is far superior to what my doctor prescribed. After using it consistently for two months, I began seeing results. I feel good, my immune system has improved, and I no longer get sick easily with colds, thank goodness!
9
Immediate response
You have found what you need! No longer search for effective remedies at the first symptoms of a cold! A double dose in the early days of a cold leads to an instant response from my body. Remember to take zinc NOT ON AN EMPTY STOMACH (half an hour after eating) to avoid nausea.
9
Shock course
1 people found this helpful
This very high dosage is appropriate for the cold season when taking a quick “shock” course for 5-10 days. I mix it with vitamin D, C, and fish oil – mmm, I didn’t get sick.
9
Family favourite
A lifesaver during the cold season! When the first signs of a cold appear, my whole family uses it! It gets us back on our feet quickly — especially effective combined with vitamin C and D3.
10
No colds found
I haven't had a cold for two years. My doctor advised taking this zinc 50 mg twice a year for two months. My husband and I have followed this regimen and never caught a cold. Last year, I added vitamin C and vitamin D3 for added support, and I highly recommend this approach.
9
Faster recovery
Zinc, along with vitamin C, is essential. It helps any virus and colds pass much quicker, or I may not get sick at all when everyone else is.
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. doi: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. doi: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. doi:10.3389/fpls.2024.1422374