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
Prevention of colds
9 people found this helpful
I take it with vitamin C as recommended by my doctor during an epidemic for prevention and at the first sign of a cold. It helps from the first day of taking the capsules. I always keep this medication in my home medicine cabinet and highly recommend it to everyone!
Read More
7.5
Supports during colds
5 people found this helpful
Zinc in gluconate form is highly absorbed. At 50 mg, it's excellent for addressing deficiencies during colds. It aids with olfactory and taste issues, memory impairment, and more. I primarily purchased this to support my health during colds. I’ve even noted improved tone, smell, and memory in pets too!
Read More
9
Faster recovery
3 people found this helpful
I've loved this zinc for years; I clearly felt the effect, especially with a cold. It clears up faster and I feel better almost immediately.
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 116 Reviews
7.9
All Reviews
Positive Reviews
Negative Reviews
9
Prevention of colds
9 people found this helpful
I take it with vitamin C as recommended by my doctor during an epidemic for prevention and at the first sign of a cold. It helps from the first day of taking the capsules. I always keep this medication in my home medicine cabinet and highly recommend it to everyone!
Read More
7.5
Supports during colds
5 people found this helpful
Zinc in gluconate form is highly absorbed. At 50 mg, it's excellent for addressing deficiencies during colds. It aids with olfactory and taste issues, memory impairment, and more. I primarily purchased this to support my health during colds. I’ve even noted improved tone, smell, and memory in pets too!
Read More
9
Faster recovery
3 people found this helpful
I've loved this zinc for years; I clearly felt the effect, especially with a cold. It clears up faster and I feel better almost immediately.
Read More
10
Stops colds
2 people found this helpful
There's no flavour, but it effectively halts the seasonal cold. From September to March, I give my family Zinc and Vitamin C, which has saved me from severe head colds that would descend into my chest. Using this combination, I no longer catch colds and take just one capsule daily of both. I don’t get the flu either, as I rely on natural immunity. I don't take the flu shot, as it once left me ill for weeks. Now, I enjoy no colds, no flu, and thankfully no Covid thus far.
Read More
9
Helps avoid colds
2 people found this helpful
Since I started taking Nature's Bounty zinc, colds and viruses rarely affect me. I experience quick healing when I do get ill, and my skin remains clear. The positive effects on my appearance suggest internal health improvements. I recommend this for its efficacy and affordability while also emphasising moderation in use.
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 taking zinc supplements for a cold varies, with many users reporting improvements quite rapidly. Several reviews indicate that taking zinc at the first sign of a cold can lead to noticeable relief in as little as a day. For instance, one user mentions that they felt better almost immediately after starting the supplement at the onset of a cold Read Review. Another user stated that taking zinc led to significant improvement within two days Read Review.
Additionally, users have reported benefits such as heightened immunity and faster recovery times with consistent supplementation. A user noted that they experienced quick healing and fewer colds when taking zinc regularly Read Review. Overall, if taken proactively at the first signs of cold symptoms, results can often be noticed quickly, commonly reported within one to three days.
The use of zinc as a supplement for combating cold symptoms has been a topic of interest in recent research, and the findings present a mixed bag. One study found that gargling with an antimicrobial mouthwash containing zinc and cetylpyridinium chloride led to a 21.5% reduction in the frequency and an 11% decrease in the severity of upper respiratory symptoms among participants [1]. This suggests that while zinc does have some efficacy in alleviating cold-related symptoms, its effectiveness cannot be solely attributed to zinc as it was tested alongside other ingredients.
Another study specifically focused on zinc's role in treating colds indicated that its benefits may not be significant for all individuals, as results varied and did not strongly endorse zinc as a sole treatment [2]. This means that while zinc might help some people, it may not be the silver bullet that many hope for when it comes to cold symptom relief. As with many supplements, it's wise to approach zinc with realistic expectations and consider it as part of a broader treatment strategy.
Based on user reviews, many individuals have reported significant improvements in their symptoms when taking zinc supplements, especially at the onset of a cold. Users consistently highlight rapid relief, often noting that they experience a noticeable decrease in symptoms almost immediately or within a couple of days. For instance, one user shared that taking zinc helped them feel better almost instantly during a cold Read Review. Others noted that it not only assists in alleviating cold symptoms but also plays a role in preventing future illnesses, with one reviewer mentioning they haven't encountered a cold since starting zinc during the pandemic Read Review.
Additionally, users reported benefits beyond cold recovery, including improvements in overall health and immunity. For instance, one user remarked that consistent use of zinc has resulted in fewer colds and quicker recovery times Read Review. Another pointed out enhanced sensory functions like smell and memory, even for their pets Read Review. While anecdotal results vary, these accounts suggest that zinc can be a powerful ally in managing cold symptoms and potentially boosting the immune system.
Based on user reviews, many individuals have found success in combining zinc supplements with other vitamins, particularly vitamin C and vitamin D, to enhance their effectiveness against colds. One user noted that their doctor recommended taking zinc along with vitamin C at the first sign of a cold, claiming it helps from the first day of use Read Review. Similarly, another reviewer mentioned that they take zinc alongside vitamin D, reporting significant protection against colds Read Review.
Additional reviews highlight the synergistic benefits of this combination. One user described zinc as a "lifesaver" when paired with vitamin C, emphasizing its effectiveness at the onset of cold symptoms Read Review. Moreover, another individual shared that they take magnesium in conjunction with zinc, underscoring that such combinations can lead to better tolerance of illness, resulting in less severe symptoms Read Review. Overall, these accounts suggest that stacking zinc with other supplements may provide enhanced immune support and quicker recovery during cold episodes.
Based on user reviews, a common dosage for zinc when treating cold symptoms appears to be around 50 mg, which many users report as effective in alleviating cold symptoms and improving overall health. For example, one user highlighted that taking 50 mg of zinc in gluconate form significantly aided in addressing deficiencies and helped during colds, combining it with vitamin C for enhanced effects Read Review. Additionally, users reported that starting zinc at the first signs of a cold can lead to quicker recovery times, making a strong case for its timely application Read Review.
Moreover, several users noted the importance of taking zinc at the right moment, with some recommending to double the intake when initial cold symptoms emerge Read Review. While a dosage of 50 mg seemed popular, one user mentioned effectively using a higher dosage for her family's treatment during a cold, emphasizing the need to tailor the dose according to individual health circumstances Read Review. However, it is worth noting that moderation is suggested to avoid side effects associated with higher intakes Read Review.
9
Faster recovery
3 people found this helpful
I've loved this zinc for years; I clearly felt the effect, especially with a cold. It clears up faster and I feel better almost immediately.
9
Immediate effect
Zinc is always in my first aid kit. At the first sign of a cold, I take zinc, and after two days, everything resolves.
9
Helps avoid colds
2 people found this helpful
Since I started taking Nature's Bounty zinc, colds and viruses rarely affect me. I experience quick healing when I do get ill, and my skin remains clear. The positive effects on my appearance suggest internal health improvements. I recommend this for its efficacy and affordability while also emphasising moderation in use.
9
Increases resistance
1 people found this helpful
Due to the COVID-19 pandemic, a pharmacy friend suggested supplementing with zinc to bolster my resistance. After taking one bottle, I haven't experienced a cold.
9
Prevention of colds
9 people found this helpful
I take it with vitamin C as recommended by my doctor during an epidemic for prevention and at the first sign of a cold. It helps from the first day of taking the capsules. I always keep this medication in my home medicine cabinet and highly recommend it to everyone!
9
Good protection against colds
I take it alongside vitamin C and vitamin D. It provides excellent protection against colds.
9
Highly effective zinc
I truly appreciated this zinc in a large therapeutic dosage. It’s a lifesaver at the first sign of a cold, especially when paired with vitamin C—it’s absolutely excellent!
7.5
Better during colds
2 people found this helpful
I chose these zinc tablets for their high dosage. I believe it is more effective during colds. The tablets can be split, and I take them in the evening after dinner with magnesium. Good vitamins!
7.5
Supports during colds
5 people found this helpful
Zinc in gluconate form is highly absorbed. At 50 mg, it's excellent for addressing deficiencies during colds. It aids with olfactory and taste issues, memory impairment, and more. I primarily purchased this to support my health during colds. I’ve even noted improved tone, smell, and memory in pets too!
7.5
Prevents cold symptoms
Keeps my husband and I well; it helps prevent us from getting colds, bronchitis, etc. When we feel something coming on, we double our daily dose and can usually stop our cold from worsening.
9
Effective dosage noted
Health begins with immunity, which is why my entire family takes zinc in spring and autumn. A dosage of 50 mg replenishes deficiencies and is noticeably effective in preventing seasonal colds.
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