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.
We explored the effects of vitamin C on the common cold and pneumonia by examining a range of studies. Interestingly, research on animals suggests that vitamin C may have protective effects against infections. However, when it comes to preventing colds in the general population, taking more than 1 gram of vitamin C per day didn’t show significant benefits.
But there's a twist! Participants engaged in heavy physical activities saw their cold incidence reduced by half with vitamin C supplementation. Additionally, regular intake of 1 gram or more daily was linked to a 15% decrease in cold severity. While some therapeutic trials showed inconsistent results when vitamin C was taken after cold symptoms appeared, two studies did indicate that larger doses (6-8 grams per day) could effectively shorten the duration of colds compared to lower doses.
Our investigation also looked into pneumonia, but the studies were conducted in unique settings, such as a boarding school and military recruits. This makes it hard to generalize the findings to the wider population. Yet, some trials suggested benefits for pneumonia patients. Finally, the role of vitamin C in treating COVID-19 and sepsis remains unclear, with mixed results.
Given that vitamin C seems to alleviate symptoms and shorten the duration of colds, while being safe and affordable, it might be worth considering a dose of 6-8 grams per day to see if it helps at an individual level.
Read More
9
Vitamin C improves cold tolerance
Application of Exogenous Ascorbic Acid Enhances Cold Tolerance in Tomato Seedlings through Molecular and Physiological Responses.
We explored the effects of ascorbic acid, commonly known as vitamin C, on cold tolerance in tomato seedlings. In our study, we discovered that applying vitamin C significantly boosts the seedlings' ability to handle cold stress.
By enhancing the antioxidant defense system, vitamin C treatment increased the enzyme activity in the seedlings' leaves. Additionally, it raised levels of important compounds such as proline, sugar, and abscisic acid, all of which play crucial roles in plant stress responses.
Our observations showed that vitamin C also protects the photosynthesis system of tomato seedlings. This implies that it helps maintain chlorophyll function, which is critical for the plant's overall health, especially under cold conditions.
Moreover, we found that vitamin C treatments led to increased expression of genes linked to antioxidant enzymes and cold response mechanisms. Overall, our findings suggest that exogenous vitamin C is a beneficial approach to improve cold tolerance in tomatoes and may provide helpful insights for farmers looking to cultivate hardier varieties during colder months.
Read More
Most Useful Reviews
9
Effective for colds
232 people found this helpful
The firm is reliable, I trust it. This complex effectively copes with colds and acute respiratory infections. As soon as the illness begins, I dissolve 1-2 tablets 3-4 times a day. The taste has a slight sourness. It helps me recover in 3-4 days.
Read More
9
Godsend for colds
61 people found this helpful
This complex is just brilliant! It deals wonderfully with colds. When my cough starts, I dissolve 1 tablet 2-4 times a day. The taste is pleasant, with a slight sour cherry. It helps me feel better in 2-3 days. Just remember to start taking it promptly. Wishing you health!
Read More
7.5
Prevents colds
12 people found this helpful
This is great for preventing ARVI and supporting the immune system. When I feel it coming on, I take it immediately. It effectively prevents ARVI, colds, and helps me avoid getting ill. The tablets taste nice, but take them with food to avoid nausea on an empty stomach. I recommend it!
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
9
Vitamin C improves cold tolerance
Application of Exogenous Ascorbic Acid Enhances Cold Tolerance in Tomato Seedlings through Molecular and Physiological Responses.
We explored the effects of ascorbic acid, commonly known as vitamin C, on cold tolerance in tomato seedlings. In our study, we discovered that applying vitamin C significantly boosts the seedlings' ability to handle cold stress.
By enhancing the antioxidant defense system, vitamin C treatment increased the enzyme activity in the seedlings' leaves. Additionally, it raised levels of important compounds such as proline, sugar, and abscisic acid, all of which play crucial roles in plant stress responses.
Our observations showed that vitamin C also protects the photosynthesis system of tomato seedlings. This implies that it helps maintain chlorophyll function, which is critical for the plant's overall health, especially under cold conditions.
Moreover, we found that vitamin C treatments led to increased expression of genes linked to antioxidant enzymes and cold response mechanisms. Overall, our findings suggest that exogenous vitamin C is a beneficial approach to improve cold tolerance in tomatoes and may provide helpful insights for farmers looking to cultivate hardier varieties during colder months.
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.
We explored the effects of vitamin C on the common cold and pneumonia by examining a range of studies. Interestingly, research on animals suggests that vitamin C may have protective effects against infections. However, when it comes to preventing colds in the general population, taking more than 1 gram of vitamin C per day didn’t show significant benefits.
But there's a twist! Participants engaged in heavy physical activities saw their cold incidence reduced by half with vitamin C supplementation. Additionally, regular intake of 1 gram or more daily was linked to a 15% decrease in cold severity. While some therapeutic trials showed inconsistent results when vitamin C was taken after cold symptoms appeared, two studies did indicate that larger doses (6-8 grams per day) could effectively shorten the duration of colds compared to lower doses.
Our investigation also looked into pneumonia, but the studies were conducted in unique settings, such as a boarding school and military recruits. This makes it hard to generalize the findings to the wider population. Yet, some trials suggested benefits for pneumonia patients. Finally, the role of vitamin C in treating COVID-19 and sepsis remains unclear, with mixed results.
Given that vitamin C seems to alleviate symptoms and shorten the duration of colds, while being safe and affordable, it might be worth considering a dose of 6-8 grams per day to see if it helps at an individual level.
Read More
User Reviews
USERS' SCORE
Good
Based on 142 Reviews
8.3
All Reviews
Positive Reviews
Negative Reviews
9
Effective for colds
232 people found this helpful
The firm is reliable, I trust it. This complex effectively copes with colds and acute respiratory infections. As soon as the illness begins, I dissolve 1-2 tablets 3-4 times a day. The taste has a slight sourness. It helps me recover in 3-4 days.
Read More
9
Godsend for colds
61 people found this helpful
This complex is just brilliant! It deals wonderfully with colds. When my cough starts, I dissolve 1 tablet 2-4 times a day. The taste is pleasant, with a slight sour cherry. It helps me feel better in 2-3 days. Just remember to start taking it promptly. Wishing you health!
Read More
7.5
Prevents colds
12 people found this helpful
This is great for preventing ARVI and supporting the immune system. When I feel it coming on, I take it immediately. It effectively prevents ARVI, colds, and helps me avoid getting ill. The tablets taste nice, but take them with food to avoid nausea on an empty stomach. I recommend it!
Read More
9
Magic pill
9 people found this helpful
Beautiful! In the cold season, I give half a tablet to dissolve for my child and a whole to adults. At the first sign of a cold, I administer it for five days. I can’t imagine what I would do without this magic pill. I'm very grateful.
Read More
9
Effective remedy
6 people found this helpful
These tablets are delicious with a slight sourness. They genuinely work if taken at the onset of a cold, helping one to either avoid getting sick or recover more swiftly.
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, the time to see results from this supplement when taken for cold symptoms typically ranges from 2 to 5 days. Many users report feeling improvements quickly, often within 2 to 3 days of starting the regimen. For example, one user noted a significant improvement in just 2-3 days after beginning treatment at the onset of a cough Read Review. Another mentioned recovery in about 3-4 days Read Review, showing that early intervention with these tablets can effectively reduce the duration of illness.
When considering whether zinc is an effective supplement for alleviating cold symptoms, it's important to look at the research available. A study focusing on a mouthwash combining cetylpyridinium chloride and zinc found that regular gargling reduced the frequency of respiratory symptoms by 21.5% and severity by 11% over three months, suggesting that zinc can offer some relief when combined with other ingredients ([1]). However, this research does highlight that the benefits of zinc may be influenced by the presence of other compounds, so while it may help, it’s not solely attributable to zinc itself.
On the other hand, a separate study examining zinc's effects in isolation reported mixed results. Although some participants experienced slight improvements in their cold symptoms, the overall evidence did not strongly support zinc as a universally effective treatment for colds ([2]). This indicates that while zinc could play a role in managing cold symptoms for some, expecting it to be a primary remedy may not be realistic. Therefore, while there is some evidence to suggest that zinc can be beneficial, it should be approached with the understanding that its effectiveness can vary from person to person and is best considered as part of a broader treatment strategy.
Based on user reviews, many individuals report significant improvements in their cold symptoms when using this supplement, particularly when taken at the onset of illness. For instance, some users noted feeling better within just 2-3 days, with one individual stating that they felt improvements almost immediately after starting treatment for their cough Read Review. Another user shared a positive experience, highlighting that their condition improved significantly without the need for additional medications Read Review.
Users also appreciated the product's efficacy for immune support, with many reporting that it not only alleviated symptoms of colds but also helped prevent illness altogether when taken early. One review indicated that after taking the supplement at the first signs of a cold, the user experienced notably reduced symptoms, allowing them to recover more swiftly Read Review. However, it's important to note that results can vary among individuals, and while many found it effective, some may not experience the same level of relief.
Users have reported positive experiences when combining this supplement with other vitamins and minerals, particularly zinc and Vitamin C, for managing colds. One user emphasized that this combination significantly boosts immunity and provides excellent protection during the cold season, indicating that the synergistic effects of these nutrients greatly enhance overall efficacy against illnesses Read Review. Another review stressed how the supplement, when taken immediately at the onset of a cold alongside food, can prevent symptoms and aid in quicker recovery Read Review.
Additionally, some users found that the taste and ease of consumption made it more appealing, especially when taken with meals Read Review. While many users didn't specifically mention side effects from combining supplements, caution was advised regarding taking it on an empty stomach to avoid nausea Read Review. Overall, the consensus is that combining this supplement with others can enhance its effectiveness in managing cold symptoms and supporting immune health.
Based on user reviews, many individuals emphasize the importance of timely dosing when it comes to using Zinc for treating colds. Users report taking 1-2 tablets 3-4 times a day at the onset of symptoms to effectively address their condition. For example, one user noted that they begin dissolving 1-2 tablets multiple times a day as soon as they feel unwell, which helps them recover in just a few days Read Review. Another user recommended taking 1 tablet 2-4 times daily at the first signs of sickness for optimal results Read Review.
However, the reviews also reflect some caution regarding dosing, particularly to ensure that it's taken with food to avoid nausea, particularly in higher doses Read Review. Parents have shared that they give half a tablet to their children while adults are advised to take a whole tablet, underscoring the importance of adjusting doses based on age and weight Read Review. Ultimately, starting Zinc at the first indication of a cold appears to be a common and recommended strategy among users for a quicker recovery.
9
Godsend for colds
61 people found this helpful
This complex is just brilliant! It deals wonderfully with colds. When my cough starts, I dissolve 1 tablet 2-4 times a day. The taste is pleasant, with a slight sour cherry. It helps me feel better in 2-3 days. Just remember to start taking it promptly. Wishing you health!
9
Effective for colds
232 people found this helpful
The firm is reliable, I trust it. This complex effectively copes with colds and acute respiratory infections. As soon as the illness begins, I dissolve 1-2 tablets 3-4 times a day. The taste has a slight sourness. It helps me recover in 3-4 days.
10
Miracle cure
This effective vitamin complex is miraculous. I took it for malaise at the onset of a cold, and my condition improved significantly without medications. I recommend it!
9
Effective remedy
6 people found this helpful
These tablets are delicious with a slight sourness. They genuinely work if taken at the onset of a cold, helping one to either avoid getting sick or recover more swiftly.
9
Strong protection
AMAZING! This powerful combination of zinc, and vitamins C and B6 guarantees excellent protection during the cold season and has a remarkable effect on my immune system.
7.5
Prevents colds
12 people found this helpful
This is great for preventing ARVI and supporting the immune system. When I feel it coming on, I take it immediately. It effectively prevents ARVI, colds, and helps me avoid getting ill. The tablets taste nice, but take them with food to avoid nausea on an empty stomach. I recommend it!
7.5
Immune support
4 people found this helpful
This is effective for preventing ARVI and colds while supporting my immunity. When I feel unwell, I take them. The tablets have a pleasant taste and should be taken with meals. Taking them on an empty stomach can cause nausea. Zinc, C, and B6 are a brilliant combination for immunity!
9
Magic pill
9 people found this helpful
Beautiful! In the cold season, I give half a tablet to dissolve for my child and a whole to adults. At the first sign of a cold, I administer it for five days. I can’t imagine what I would do without this magic pill. I'm very grateful.
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
Hemilä H, Chalker E. Vitamin C for the common cold and pneumonia. Pol Arch Intern Med. 2025;135. 10.20452/pamw.16926
Wang X, Ran C, Fu Y, Han L, Yang X, et al. Application of Exogenous Ascorbic Acid Enhances Cold Tolerance in Tomato Seedlings through Molecular and Physiological Responses. Int J Mol Sci. 2024;25. 10.3390/ijms251810093