Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 121 Reviews
8
Supplement Facts
Serving Size:   1 Tablet
Amount Per Serving
%DV
Zinc (as zinc glycinate amino acid chelate†)
22 mg
200%

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
Quick to recover
14 people found this helpful
This zinc helped me overcome a cold, and my boyfriend is thrilled with the results. He recovered from his cold in two days. He believes every man should monitor zinc levels. We did notice some tingling when taken consecutively, but overall, these vitamins are worthwhile.
Read More
9
Reduces illnesses
4 people found this helpful
Our family takes chelated zinc from autumn to spring and we have stopped catching colds. This supplement is genuinely effective.
Read More
9
Restores immunity
2 people found this helpful
Everyone knows about zinc. Since I first bought it for corona, I have consistently purchased various products. At the first sign of a cold, I administer one tablet a day to anyone unwell, as it greatly aids in restoring immunity and general health. This product's quality and dosage are impressive.
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 121 Reviews
8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Quick to recover
14 people found this helpful
This zinc helped me overcome a cold, and my boyfriend is thrilled with the results. He recovered from his cold in two days. He believes every man should monitor zinc levels. We did notice some tingling when taken consecutively, but overall, these vitamins are worthwhile.
Read More
9
Reduces illnesses
4 people found this helpful
Our family takes chelated zinc from autumn to spring and we have stopped catching colds. This supplement is genuinely effective.
Read More
9
Restores immunity
2 people found this helpful
Everyone knows about zinc. Since I first bought it for corona, I have consistently purchased various products. At the first sign of a cold, I administer one tablet a day to anyone unwell, as it greatly aids in restoring immunity and general health. This product's quality and dosage are impressive.
Read More
9
Strengthens immunity
2 people found this helpful
This is absolutely the best dietary supplement! Since I began taking zinc three years ago, I rarely suffer from serious colds. Even if I catch a virus, it presents much milder symptoms. Highly recommended!
Read More
10
Immediate response
Where would we be without zinc! At the first signs of a cold, I increase my dosage for a few days, and everything is fine!
Read More

Frequently Asked Questions

9
Quick to recover
14 people found this helpful
This zinc helped me overcome a cold, and my boyfriend is thrilled with the results. He recovered from his cold in two days. He believes every man should monitor zinc levels. We did notice some tingling when taken consecutively, but overall, these vitamins are worthwhile.
9
Symptom relief
I really liked Solgar's zinc, a powerful immunomodulator. At the first symptoms of a cold, I take one tablet, and in 2-3 days, the symptoms vanish. This should always be in your medicine cabinet!
9
Reduces illnesses
4 people found this helpful
Our family takes chelated zinc from autumn to spring and we have stopped catching colds. This supplement is genuinely effective.
9
Strengthens immunity
2 people found this helpful
This is absolutely the best dietary supplement! Since I began taking zinc three years ago, I rarely suffer from serious colds. Even if I catch a virus, it presents much milder symptoms. Highly recommended!
9
Emergency during colds
I recently discovered the remarkable benefits of zinc combined with vitamin C. They prevent infection's development when taken early in an illness. I've tested this myself, and it works excellently! I keep it in my cabinet like an emergency kit during colds. I recommend using vitamins over chemicals to fight viruses.
9
Symptom alleviant
Good zinc from a reputable brand. When combined with vitamin C, it reliably alleviates the symptoms of acute respiratory viral infections and colds.
9
Works effectively
I always keep zinc at home. At the onset of a cold, I take a sizeable dose of zinc, vitamin C, etc. They work excellently!
9
Restores immunity
2 people found this helpful
Everyone knows about zinc. Since I first bought it for corona, I have consistently purchased various products. At the first sign of a cold, I administer one tablet a day to anyone unwell, as it greatly aids in restoring immunity and general health. This product's quality and dosage are impressive.
10
Immediate response
Where would we be without zinc! At the first signs of a cold, I increase my dosage for a few days, and everything is fine!
9
Family use
Our whole family takes chelated zinc from autumn to spring. We've stopped suffering from colds, so this supplement is truly effective.
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. 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. 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. 10.3389/fpls.2024.1422374
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