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
Works instantly
422 people found this helpful
This zinc is the best form, acting immediately at the first sign of a cold. I take one tablet combined with 1000mg of vitamin C, and I feel perfectly well by morning. It's indispensable during winter. I struggled to find this particular form of zinc as it sells out rapidly. Thank you for keeping me healthy!
Read More
7.5
Family staple during colds
117 people found this helpful
This is a very good form of zinc! It's our go-to during a cold or when any cold symptoms first appear. The whole family takes it.
Read More
9
Overcame social anxiety
113 people found this helpful
ZINC is the best mineral supplement. If I could choose just one mineral for the rest of my life, it would undoubtedly be zinc. I take 100mg daily due to long-standing leukodynia and self-diagnosed HemoPyrrolLactamUria, which I learned about from experts. I've been taking zinc for over five months now, and not only do I never get colds, but I also swiftly recovered from bronchitis. Remarkably, I've transformed from a loner with extreme social anxiety into a vibrant extrovert! Without zinc, I would still be facing fatigue, low motivation, and social awkwardness. Zinc has helped repress my anxiety, allowing me to embrace an active lifestyle without stress or worry. The boost in my sex drive also deserves mention. I believe zinc is pivotal for my health and wellness.
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 1175 Reviews
7.8
All Reviews
Positive Reviews
Negative Reviews
9
Works instantly
422 people found this helpful
This zinc is the best form, acting immediately at the first sign of a cold. I take one tablet combined with 1000mg of vitamin C, and I feel perfectly well by morning. It's indispensable during winter. I struggled to find this particular form of zinc as it sells out rapidly. Thank you for keeping me healthy!
Read More
7.5
Family staple during colds
117 people found this helpful
This is a very good form of zinc! It's our go-to during a cold or when any cold symptoms first appear. The whole family takes it.
Read More
9
Overcame social anxiety
113 people found this helpful
ZINC is the best mineral supplement. If I could choose just one mineral for the rest of my life, it would undoubtedly be zinc. I take 100mg daily due to long-standing leukodynia and self-diagnosed HemoPyrrolLactamUria, which I learned about from experts. I've been taking zinc for over five months now, and not only do I never get colds, but I also swiftly recovered from bronchitis. Remarkably, I've transformed from a loner with extreme social anxiety into a vibrant extrovert! Without zinc, I would still be facing fatigue, low motivation, and social awkwardness. Zinc has helped repress my anxiety, allowing me to embrace an active lifestyle without stress or worry. The boost in my sex drive also deserves mention. I believe zinc is pivotal for my health and wellness.
Read More
9
Helps with cold
103 people found this helpful
Excellent! The best form and working dosage that helps a lot at the first sign of a cold.
Read More
9
Immunity boost
64 people found this helpful
❤️ Cartridges For Immunity ❤️ I absolutely love Now Foods for their price-quality ratio. A nutritionist recommended one capsule for me in the afternoon, and my child takes a lower dose. The absorption of zinc in this form of picolinate is excellent; tests have improved for both of us. During cold season, it’s essential to use as "cartridges for immunity" and double the dose at the first sign of malaise!
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 that they begin to see results from taking zinc supplements quite quickly, typically at the first signs of a cold. For instance, one user mentioned feeling "perfectly well by morning" after taking zinc combined with vitamin C immediately upon noticing cold symptoms Read Review. Another user emphasized the importance of taking zinc "at the first sign of malaise," suggesting a prompt response might help mitigate symptoms effectively Read Review.
Several reviews emphasize the immediate benefits, with one user stating that "a few days of this regimen and I'm back to health" Read Review. Some users also mention using zinc daily for preventive care during cold seasons, reinforcing the notion that prompt intake of zinc at the onset of cold symptoms can lead to a quicker recovery or even prevention of illness in some cases Read Review. Overall, results appear to manifest quickly when zinc is taken immediately at the first sign of a cold.
Recent research into the efficacy of zinc for alleviating cold symptoms presents a mixed picture. One significant study highlighted that participants who gargled with a mouthwash containing zinc saw a 21.5% reduction in the frequency and an 11% decrease in the severity of respiratory symptoms associated with colds. This suggests that zinc, particularly when combined with other active ingredients like cetylpyridinium chloride, can provide some relief from cold symptoms [1]. However, it's crucial to note that the study's design complicates the ability to attribute these results solely to zinc, as the mouthwash contains multiple components.
On the other hand, a more focused study investigating zinc’s role in treating common colds concluded that zinc does not consistently yield significant benefits for everyone. Some individuals reported minor reductions in symptoms, but the supporting evidence for zinc as a standalone treatment was weak [2]. Therefore, while zinc may be beneficial in combination products for managing cold symptoms, relying solely on zinc as a remedy may not be the most effective strategy. As always, consider multiple avenues of treatment, and consult with a healthcare professional to determine the best course for your cold symptoms.
Based on user reviews, a significant number of individuals have reported noticeable improvements in their cold symptoms and overall immunity after taking zinc supplements, specifically in the form of picolinate. Many users highlight the effectiveness of taking zinc at the first sign of cold symptoms. For example, one user noted that they felt "perfectly well by morning" after taking zinc alongside vitamin C Read Review, while another user claimed that since they began taking zinc daily, they have not experienced a single cold in several months Read Review.
Additional anecdotes support the use of zinc as a crucial component in boosting immunity and expediting recovery from colds. One reviewer mentioned that despite catching colds often before, they’ve managed to avoid them recently by following a regimen of zinc with vitamins D and C Read Review. Another user also noted quick recovery after experiencing mild illness after just a couple of days of taking zinc Read Review. Overall, while individual results can vary, the collective feedback indicates a trend of improved immune response and quicker recovery from cold symptoms with consistent zinc intake.
Users widely report that combining zinc supplements with other vitamins, particularly vitamin C and D, significantly enhances their effectiveness in managing cold symptoms. A notable number of reviews indicate that taking zinc alongside vitamin C leads to quicker recovery times and a more robust immune response. For instance, one user shared their experience of taking zinc with 1000mg of vitamin C at the first sign of a cold, stating they felt "perfectly well by morning" Read Review. Similarly, another reviewer emphasized that taking zinc, along with vitamins D and C, helped them recover quickly from a cold and avoid complications Read Review.
Furthermore, several users advocate for this combined approach as a preventive measure during cold season. One user noted that the combination of zinc with vitamin D and C not only combats colds effectively but also strengthens overall immunity Read Review. Ultimately, user reviews suggest that when zinc is taken promptly, especially in combination with other vitamins, it can lead to a more efficient and successful response to cold symptoms.
Users report varying doses of zinc effectiveness for treating colds, with many emphasizing the importance of timing and dosage when symptoms first appear. A common recommendation is to take higher doses initially; for instance, one user mentions taking 70-90 mg of zinc along with 1-2 g of vitamin C daily for three days, followed by a reduction in dosage after that period Read Review. Others highlight the benefit of combining zinc with vitamin C for enhanced effects, asserting that this combination helps combat cold symptoms promptly Read Review.
Moreover, some users discuss maintaining a preventative regimen by taking zinc regularly, especially during cold seasons, while also indicating a preference for the picolinate form due to its superior absorption and fewer side effects Read Review. A user noted that they maintained their dosage for up to 7-10 days during illness, emphasizing the importance of dosage management to avoid adverse effects Read Review. Overall, users suggest that a proactive approach to zinc intake, particularly at the first signs of a cold, significantly contributes to their recovery and immune strength.
9
Works instantly
422 people found this helpful
This zinc is the best form, acting immediately at the first sign of a cold. I take one tablet combined with 1000mg of vitamin C, and I feel perfectly well by morning. It's indispensable during winter. I struggled to find this particular form of zinc as it sells out rapidly. Thank you for keeping me healthy!
9
Immunity boost
64 people found this helpful
❤️ Cartridges For Immunity ❤️ I absolutely love Now Foods for their price-quality ratio. A nutritionist recommended one capsule for me in the afternoon, and my child takes a lower dose. The absorption of zinc in this form of picolinate is excellent; tests have improved for both of us. During cold season, it’s essential to use as "cartridges for immunity" and double the dose at the first sign of malaise!
10
Quick cold recovery
1 people found this helpful
I consistently take zinc, and the dosage here is fantastic! At the first signs of a cold, zinc, along with vitamin C at 1000 mg and high doses of vitamin D, works wonders. A few days of this regimen and I’m back to health—this has been tried and tested! Stay healthy, everyone!
10
No more colds
5 people found this helpful
No more colds! Since I began taking this product daily, I haven't had a single cold for several months, despite often catching everything. A particularly nasty cold went around, and everyone seemed to catch it except me; I was astonished that I didn't fall ill! Very pleased...
9
Cold relief
4 people found this helpful
I bought this vitamin for the cold season according to my doctor's advice. I recently had a slight illness, and after taking two capsules for two consecutive days, the discomfort disappeared. My immunity managed well. I've now ordered a lower dosage for children in preparation for the cold season, as this zinc is intended for immunity and not for long-term use.
9
Prevents complications
3 people found this helpful
I bought zinc as a precaution and it proved invaluable. When I caught a cold, combining it with vitamins D3 and C helped me recover quickly and avoid complications. It should be taken in courses for preventive care; it's essential in tackling colds.
9
Lifesaver during illness
3 people found this helpful
This zinc is a lifesaver during illness, especially for colds. Along with vitamin D and C, it combats disease effectively. The key is to take it promptly when symptoms begin to prevent the illness from establishing itself.
9
Instant cold aid
6 people found this helpful
As soon as I notice the first signs of a cold, I promptly take zinc, at least one capsule alongside vitamin C. For colds and hypothermia, zinc is quickly used up, just like vitamin C. I take 70-90 mg of zinc and 1-2 g of vitamin C daily for three days before reducing the dose. I highly endorse this for those who wish to avoid falling ill!
9
Highly recommended zinc
37 people found this helpful
Excellent! Zinc is most effectively absorbed as picolinate. It’s essential for strong immunity and helpful at the first signs of colds and viral infections. The price/quality ratio is excellent. I didn't experience any side effects, although I don’t take it daily due to the high dosage.
9
First sign remedy
6 people found this helpful
This zinc is of high dosage, taken immediately at the first sign of a cold and during illness, but for no longer than 7-10 days. It is well absorbed and gentle on the stomach, making it essential to keep in your first aid kit.
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