Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 33 Reviews
8.7
Supplement Facts
Serving Size:  1 Tablet
Amount Per Serving
%DV
Zinc (as Zinc Gluconate)
30 mg
273%

Top Medical Research Studies

8
Zinc’s effects on colds
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
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
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

9.5
Quick recovery
Quick! I usually buy nature made at the store but forgot this time; luckily, Amazon shipped it the next day. I use zinc at night to aid sleep. I swear by it when sick; it helps me recover from colds much quicker. 30mg is the perfect amount for me, as higher doses cause nausea.
Read More
9.5
Relieves cold symptoms
We are pleased! During a pandemic, finding zinc in shops or online is nearly impossible. I managed to purchase one jar. We read that it is necessary for ARVI and COVID. To be honest, we were sceptical, but it works. As soon as I feel the onset of a cold, I take it, and really, by the next day or after two, the cold symptoms are alleviated. I recommend it! Thank you for reading my review. Wishing everyone good health.
Read More
9.5
Immune system boost
I take this daily to boost my immune system. When I felt a cold coming on, I took up to two tablets with ample sleep and woke up feeling fine. I am impressed with the difference since I started taking it regularly, compared to not taking anything. Now, it's essential for me to ensure I don't run out of zinc.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
  • All Researches
9
Zinc enhances rice cold resistance
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
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
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 33 Reviews
8.7
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Quick recovery
Quick! I usually buy nature made at the store but forgot this time; luckily, Amazon shipped it the next day. I use zinc at night to aid sleep. I swear by it when sick; it helps me recover from colds much quicker. 30mg is the perfect amount for me, as higher doses cause nausea.
Read More
9.5
Relieves cold symptoms
We are pleased! During a pandemic, finding zinc in shops or online is nearly impossible. I managed to purchase one jar. We read that it is necessary for ARVI and COVID. To be honest, we were sceptical, but it works. As soon as I feel the onset of a cold, I take it, and really, by the next day or after two, the cold symptoms are alleviated. I recommend it! Thank you for reading my review. Wishing everyone good health.
Read More
9.5
Immune system boost
I take this daily to boost my immune system. When I felt a cold coming on, I took up to two tablets with ample sleep and woke up feeling fine. I am impressed with the difference since I started taking it regularly, compared to not taking anything. Now, it's essential for me to ensure I don't run out of zinc.
Read More
9.5
Cold prevention aid
Excellent zinc; the composition and dosage are perfect! We use it for preventing colds alongside vitamin C. It works effectively, significantly reducing how often we get ill with colds. During illness, it aids recovery; we have it with breakfast, and I recommend everyone keeps it in their first-aid kit!
Read More
9.5
Faster recovery
I took it for prevention and treatment of colds, and I recovered much faster!
Read More

Frequently Asked Questions

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, it appears that zinc supplements can start showing results relatively quickly when taken at the onset of cold symptoms. Many users report feeling an alleviation of symptoms within just one to two days after taking zinc. For example, one user noted that upon feeling the onset of a cold, they took zinc and by the next day, noticed significant improvement in their symptoms (Read Review). Another user highlighted that within just a few days of taking zinc at the first signs of a cold, they woke up feeling completely well (Read Review).

Additionally, some users emphasize taking zinc regularly for immune system support and state that this practice has reduced the frequency of their colds altogether while also aiding in quicker recovery when they do catch one (Read Review). Overall, consistent use of zinc and starting it promptly at the first signs of a cold appears to be key to experiencing its beneficial effects swiftly.

Scientific research offers mixed insights into the effectiveness of zinc as a treatment for cold symptoms. One study found that a mouthwash containing zinc, alongside other ingredients, led to a 21.5% reduction in the frequency and an 11% decrease in the severity of respiratory symptoms among participants who gargled regularly compared to those who only brushed their teeth [1]. However, the study did not isolate the effects of zinc, making it difficult to attribute these benefits solely to the mineral. Therefore, while there’s some indication that zinc can play a helpful role when used in conjunction with other components, its standalone effectiveness remains uncertain.

Another study specifically evaluating zinc's impact on colds concluded that while some individuals experienced a slight reduction in symptoms, the overall evidence did not strongly support zinc as an effective treatment for everyone [2]. This suggests that while zinc can offer potential benefits, it may not be the definitive solution for all, warranting a cautious approach when considering it as part of a cold treatment plan. Thus, it might be best viewed as a supplementary option rather than a cornerstone of cold relief.

Based on user reviews, many individuals report significant improvements in their cold symptoms when using zinc supplements. A number of users have noted that by taking zinc at the first signs of a cold, they experienced alleviated symptoms within just one to two days, feeling much better shortly after starting the supplement (Read Review). Other users highlighted faster recovery times when they regularly consumed zinc along with other vitamins, emphasizing its role not only in mitigating symptoms but also in bolstering their immune response overall (Read Review).

Additionally, some users reported that their frequency of illness decreased since they started taking zinc regularly, suggesting it might lead to longer-term immune benefits (Read Review). Others have also expressed satisfaction with improved overall health, including clearer skin and enhanced well-being while using zinc supplements in their daily routine (Read Review). Although individual results can vary, the collective experiences indicate that zinc may provide a practical option for those looking to manage cold symptoms or enhance their immune health.

Based on user reviews, many individuals have found success in combining zinc supplements with other complementary supplements to enhance their effectiveness in managing cold symptoms. Users often report taking zinc alongside vitamin C, with one review highlighting significant improvements in overall health and a marked reduction in cold frequency when used together (Read Review). Another user shared that they took both zinc and vitamin D upon noticing cold symptoms, leading to a complete recovery within a day (Read Review).

Moreover, some users also advocate for combining zinc with Echinacea, asserting that this combination acts effectively at the onset of a cold, preventing the illness altogether (Read Review). Overall, users seem to appreciate the synergistic benefits of zinc when used in conjunction with other vitamins and supplements, suggesting a comprehensive approach to immune support during cold seasons that aids in both prevention and recovery.

Based on user reviews, a common sentiment regarding the appropriate dosage of zinc for treating colds centers around taking one to two tablets daily, particularly at the onset of symptoms. For instance, one user reported positive results by taking two tablets when feeling a cold coming on, stating that ample sleep alongside zinc led to feeling fine the next day (Read Review). Another reviewer emphasized that taking zinc, especially in combination with vitamin C, significantly helped reduce illness frequency and aided in recovery during cold seasons (Read Review).

Many users advocate for a preventive daily intake, often suggesting a dosage of around 30 mg, which they find effective for bolstering the immune system during cold season (Read Review). Various users reported immediate benefits when taking zinc at the first signs of a cold, with some noting the efficacy of splitting higher dosage tablets to suit their needs (Read Review). Overall, users seem to agree on the importance of timely zinc intake and the flexibility in dosage depending on individual health contexts.

9.5
Relieves cold symptoms
We are pleased! During a pandemic, finding zinc in shops or online is nearly impossible. I managed to purchase one jar. We read that it is necessary for ARVI and COVID. To be honest, we were sceptical, but it works. As soon as I feel the onset of a cold, I take it, and really, by the next day or after two, the cold symptoms are alleviated. I recommend it! Thank you for reading my review. Wishing everyone good health.
9.5
Quick recovery
Excellent! I take this zinc in a preventive dosage. After noticing the first signs of a cold just two days ago, I took zinc and vitamin D, and I woke up completely well today. Vitamins truly aid in bolstering the immune system. Highly recommend!
9.5
Immune system boost
I take this daily to boost my immune system. When I felt a cold coming on, I took up to two tablets with ample sleep and woke up feeling fine. I am impressed with the difference since I started taking it regularly, compared to not taking anything. Now, it's essential for me to ensure I don't run out of zinc.
9.3
Supports immune health
An outstanding product for boosting the immune system! Zinc from Nature Made is effective, especially during the cold season. After a couple of weeks of use, I noticed I get ill less frequently, and if I do catch a cold, I recover much faster. The capsules are easy to swallow, with no discomfort in the stomach, even on an empty stomach.
8.8
Supports immune strength
Zinc has been a true discovery for my health. I've noticed an improvement in my skin condition—it looks clearer and more radiant. My hair and nails have also strengthened significantly. Most importantly, zinc has bolstered my immune system—colds have become rare and my overall well-being has stabilised.
9.5
Cold prevention aid
Excellent zinc; the composition and dosage are perfect! We use it for preventing colds alongside vitamin C. It works effectively, significantly reducing how often we get ill with colds. During illness, it aids recovery; we have it with breakfast, and I recommend everyone keeps it in their first-aid kit!
8.8
Effective cold remedy
I take this zinc complex alongside Vitamin C and Echinacea. The small pill helps at the onset of a cold and when I feel unwell. Even while exposed to colds, I do not get ill.
7.5
Effective for colds
I find this zinc excellent for immune support! I take 30 mg from Nature Made to strengthen my immunity and support my skin. This dosage is ideal, particularly during times of colds or heightened stress. The high-quality formula contains no unnecessary additives. The noticeable results include improved skin clarity and feeling better during cold seasons. I recommend it for those seeking effective zinc at a reasonable price!
8.8
High dosage
I've decided to switch to a new zinc format, which has a high dosage. I split the tablet into two. In case of colds, I take the full tablet.
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
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

  1. 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
  2. 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
  3. 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
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