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
7.5
Fewer colds
2 people found this helpful
Good quality! I chose Zinc Bisglycinate as it’s supposed to be the easiest for your body to absorb. I have noticed fewer colds this year since taking this product. I also increased my Vitamin D3/K2 intake and take Vitamin C daily. This is undoubtedly a quality product!
Read More
9
Colds eased
1 people found this helpful
Excellent! I take zinc in courses, and it greatly helps with colds.
Read More
9
Skin improvement
Zinc bisglycinate is now my favourite! I sought a supplement for immune support and skin health, and Doctor's Best zinc fits perfectly. It absorbs much better than typical zinc. I observed improvements – fewer skin rashes and colds since starting it. Taking one capsule daily with food is easy, and it has noticeably enhanced my overall health.
We explored the impact of zinc-amino acids chelate on cold stress resistance in machine-transplanted early rice. Our investigation included other cold-resistant agents like uniconazole and abscisic acid, but we found zinc to be particularly effective. When applied during the regreening stage, zinc notably enhanced rice growth by promoting tillering and increasing the leaf area, which led to better yields.
We noted that zinc-amino acids chelate improved antioxidant enzyme activities, which are crucial for helping rice withstand cold temperatures. The yield of rice treated with zinc was approximately 9.22% higher than with uniconazole and 7.14% higher than with abscisic acid.
Additionally, we observed that using 750 g/ha of zinc-amino acids chelate during the transplanting and regreening stages yielded the best results. The timing of the application played a critical role, as spraying during these specific phases maximized both yield and cold resistance.
Overall, zinc treatments stand out as a promising option for improving cold stress resilience in early rice, making it a key consideration for farmers dealing with cold climate conditions.
Read More
8
Zinc mouthwash reduces cold symptoms
Efficacy of regular gargling with a cetylpyridinium chloride plus zinc containing mouthwash can reduce upper respiratory symptoms.
We explored the impact of regular gargling with an antimicrobial mouthwash that contains both cetylpyridinium chloride and zinc on upper respiratory symptoms. A total of 150 participants were split into two groups; one group just brushed their teeth, while the other group brushed and gargled with the mouthwash twice a day over three months.
Our findings revealed that those using the mouthwash experienced a 21.5% reduction in the frequency and an 11% decrease in the severity of respiratory symptoms. This strongly suggests that incorporating zinc, alongside cetylpyridinium chloride, can provide benefits for those suffering from cold-related symptoms.
However, it’s important to note that this study’s design involved multiple components, and we can’t isolate zinc’s effectiveness from the impact of the other ingredients. Still, the results encourage us to view mouthwash with these ingredients as a helpful addition to our daily hygiene routines, especially during cold and flu season.
Ultimately, this research indicates that gargling with a mouthwash containing zinc and cetylpyridinium chloride can indeed help alleviate some unpleasant cold symptoms, but we should be mindful of the combination's effects when interpreting these outcomes.
Read More
8
Zinc’s effects on colds
Zinc for prevention and treatment of the common cold: Summary of a Cochrane review.
We explored how zinc might help in treating and preventing the common cold. The study focused on zinc's effects, isolating it from other treatments to understand its true impact on cold symptoms. By doing this, the researchers aimed to clarify whether zinc could genuinely shorten the duration of a cold or alleviate its symptoms.
The findings were intriguing but showed that zinc might not yield significant benefits for everyone. While some individuals reported a slight reduction in cold symptoms, the evidence did not strongly support zinc as an effective treatment overall.
This means that, for those seeking relief from a nasty cold, zinc alone might not be the go-to solution we hoped it would be. It’s essential to consider this information when deciding on a cold treatment plan and to approach zinc with realistic expectations.
Read More
User Reviews
USERS' SCORE
Good
Based on 32 Reviews
8.1
All Reviews
Positive Reviews
Negative Reviews
7.5
Fewer colds
2 people found this helpful
Good quality! I chose Zinc Bisglycinate as it’s supposed to be the easiest for your body to absorb. I have noticed fewer colds this year since taking this product. I also increased my Vitamin D3/K2 intake and take Vitamin C daily. This is undoubtedly a quality product!
Read More
9
Colds eased
1 people found this helpful
Excellent! I take zinc in courses, and it greatly helps with colds.
Read More
9
Skin improvement
Zinc bisglycinate is now my favourite! I sought a supplement for immune support and skin health, and Doctor's Best zinc fits perfectly. It absorbs much better than typical zinc. I observed improvements – fewer skin rashes and colds since starting it. Taking one capsule daily with food is easy, and it has noticeably enhanced my overall health.
Read More
9
Prevent colds
Excellent product! The "High Absorption Zinc Bisglycinate" lives up to its claims, making me feel healthier. It's effective for preventing colds, and I've noted improved hair and nail condition. The capsules are easy to use with no notable taste, and the packaging is convenient. I highly recommend them to anyone needing zinc supplementation.
Read More
9
Activates defences
This excellent product works wonders! I take one capsule after dinner, and if I sense cold symptoms, I take a few more to activate my body's defences. It helps immensely.
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, individuals typically begin to notice results from taking the zinc supplement for colds within a few days. Several users highlighted that they felt improvements in their symptoms shortly after starting their dosage. For instance, one user mentioned they take the supplement for a few days at the onset of cold symptoms and reported that their symptoms do not worsen, making it easier to manage during the cold season Read Review. Another user noted that when they sense cold symptoms, taking extra capsules provides a significant boost to their immune system Read Review.
Additionally, some users have reported improvements in their overall health and immune response, leading to fewer colds and quicker recovery times after starting the supplement Read Review. It appears that consistency in taking the supplement, especially during cold season, can play a significant role in enhancing its effectiveness in alleviating cold symptoms and supporting the immune system.
Recent research indicates that zinc may play a role in alleviating cold symptoms, but the evidence is mixed regarding its overall effectiveness. One study found that a mouthwash containing zinc, when used in combination with cetylpyridinium chloride, led to a notable 21.5% reduction in the frequency of respiratory symptoms and an 11% decrease in severity among participants using it regularly [1]. While these findings suggest potential benefits, it’s important to recognize that zinc was not isolated in this study, making it difficult to determine its effectiveness independently.
Another study specifically evaluated zinc's role in treating common colds and found that while some individuals experienced mild symptom relief, the overall evidence did not strongly support its effectiveness for everyone [2]. This highlights a crucial takeaway for consumers: while zinc may provide some benefits, it should not be viewed as a singular solution for cold treatment. When considering zinc supplementation, it's essential to keep these findings in mind and approach it with realistic expectations.
Based on user reviews, many individuals report noteworthy improvements in their symptoms when taking zinc supplements, particularly during cold seasons. Users have praised the high absorption of zinc bisglycinate for its effectiveness in reducing the frequency of colds and enhancing overall immune function. One user reported fewer colds and skin rashes since starting the supplement, attributing this to its superior absorption Read Review. Others noted quicker recovery times and an enhanced sense of well-being alongside better skin and hair health Read Review.
Moreover, it appears that many users are using zinc effectively at the onset of cold symptoms, with reports of symptoms not worsening or feeling significant boosts to their immune defenses after taking additional doses Read Review. Several users stated that their immunity felt stronger when regularly incorporating zinc into their routine, leading to fewer illnesses during the year. One reviewer even mentioned experiencing broader improvements, including enhanced hair and skin conditions, after consistently taking the supplement Read Review. Overall, while individual results can vary, it seems clear that many find zinc to be a beneficial addition to their health management routine.
Based on user reviews, many individuals have reported significant benefits when combining this zinc supplement with other vitamins, particularly vitamin C. Users have found that taking zinc alongside vitamin C enhances their immune system and helps to prevent colds more effectively. One reviewer noted that they use zinc in conjunction with vitamin C to successfully avoid colds, attributing their improved health to this combination Read Review. Another user recommended keeping zinc and vitamin C together in a home first-aid kit, emphasizing their complementary benefits during seasonal colds Read Review.
Some users also mentioned incorporating magnesium into their routine alongside zinc, suggesting that this combination works well to support their immune responses while minimizing side effects Read Review. Overall, those who have combined zinc with other supplements have reported a more robust immune response, quicker recovery times, and fewer occurrences of colds. This aligns with the findings of multiple user testimonials, indicating that a holistic approach to supplementation may yield better outcomes during the cold season.
Based on user reviews, the right dosage of zinc for treating colds typically ranges from one to two capsules per day, with many users reporting positive outcomes when taken at the onset of symptoms. For instance, one reviewer suggests taking one capsule after dinner and increasing the dosage if cold symptoms emerge, stating that this approach significantly boosts immune defenses (Read Review). Similarly, another user mentions taking it for a few days whenever they notice cold symptoms, which helps prevent worsening of the situation (Read Review).
Many users appreciate the ease of use and digestibility of zinc bisglycinate, which is often recommended for better absorption compared to other forms. One satisfied customer noted that they didn’t experience any side effects and maintained a consistent daily routine of one capsule, leading to noticeable improvements in their immunity and a reduction in illness during the cold season (Read Review). Overall, the consensus from user feedback emphasizes the importance of starting zinc supplementation when cold symptoms appear, with a general recommendation of one to two capsules providing effective immune support during colder months.
9
Eases cold symptoms
Excellent product! I take it for a few days when I notice any cold symptoms. The symptoms do not worsen, making it easier to navigate the cold season.
9
Activates defences
This excellent product works wonders! I take one capsule after dinner, and if I sense cold symptoms, I take a few more to activate my body's defences. It helps immensely.
9
Strengthens immunity
Great product! I was recommended this by a friend, who is a health coach. I use it to strengthen my immune system during the cold months, especially before spring when my body tends to lack vitamins. It helped me immensely—I almost didn't fall ill and if I did, I recovered more quickly than those around me. Good quality product; this form of zinc is the best for better absorption. I would definitely buy from this brand again!
9
Skin improvement
Zinc bisglycinate is now my favourite! I sought a supplement for immune support and skin health, and Doctor's Best zinc fits perfectly. It absorbs much better than typical zinc. I observed improvements – fewer skin rashes and colds since starting it. Taking one capsule daily with food is easy, and it has noticeably enhanced my overall health.
9
Prevent colds
Excellent product! The "High Absorption Zinc Bisglycinate" lives up to its claims, making me feel healthier. It's effective for preventing colds, and I've noted improved hair and nail condition. The capsules are easy to use with no notable taste, and the packaging is convenient. I highly recommend them to anyone needing zinc supplementation.
8
Immunity improvement
This zinc has been a real find! I started taking it due to a deficiency found in tests, as well as skin problems and brittle nails. The effects showed in a couple of weeks: my skin cleared, inflammations vanished, nails strengthened, and hair became shinier. I noticed an improvement in my immunity—I stopped falling ill frequently in the cold season. Zinc bisglycinate is easy to digest, which is essential for my sensitive stomach. I experienced no side effects of nausea or discomfort. Convenient dosage—just one capsule a day, and the package lasts a long time. Very pleased; I will order more!
7.5
Avoided colds
I use this product alongside vitamin C to enhance my immune system, and I believe this combination has successfully helped me avoid colds.
7.5
Helps during colds
1 people found this helpful
In case of seasonal colds, this is a good aid for the body. Alongside Vitamin C, I recommend keeping Zinc in your home first-aid kit.
9
Avoids colds
I always keep zinc at home to assist in healing and prevent colds, alongside vitamin C, and I take it with magnesium at night as they complement each other. The small capsules are easy to take, have no side effects, and are effective.
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