Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 1137 Reviews
8
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
Zinc (as Zinc L-Methionine Sulfate)
15 mg
136%
Copper (as Gluconate)
1 mg
111%

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
Great for colds
326 people found this helpful
This supplement is excellent for colds and flu. Despite recommending limited use, when I fell ill, taking it twice daily cleared my symptoms swiftly. Zinc strengthens the immune system and combats viruses. Alternative products often contain harsh additives, but this is gentler and effective.
Read More
9
Effective prevention
148 people found this helpful
Excellent zinc, I take it during the cold season for prevention, and I recommend it to everyone!
Read More
10
Miracle for colds
94 people found this helpful
This product has prevented me from needing antibiotics for respiratory infections, effectively warding off colds and flu. When I felt a sore throat developing, within hours of taking it, I felt significantly better, and the symptoms disappeared the next day.
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 1137 Reviews
8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Great for colds
326 people found this helpful
This supplement is excellent for colds and flu. Despite recommending limited use, when I fell ill, taking it twice daily cleared my symptoms swiftly. Zinc strengthens the immune system and combats viruses. Alternative products often contain harsh additives, but this is gentler and effective.
Read More
9
Effective prevention
148 people found this helpful
Excellent zinc, I take it during the cold season for prevention, and I recommend it to everyone!
Read More
10
Miracle for colds
94 people found this helpful
This product has prevented me from needing antibiotics for respiratory infections, effectively warding off colds and flu. When I felt a sore throat developing, within hours of taking it, I felt significantly better, and the symptoms disappeared the next day.
Read More
9
Quick recovery
85 people found this helpful
The quality is excellent. I used it during a cold and recovered quickly in two days. It boosts immunity and has helped reduce my hair loss over two weeks.
Read More
9
Increased resistance
25 people found this helpful
Perfectly During viral infections, I take zinc with vitamin C from Solgar to reduce the risk of getting sick. The maximum daily dose of zinc should not exceed 22 mg. With regular intake of zinc and vitamin C, my body’s resistance to viruses increases. Even if cold symptoms appear, they pass much easier and faster than usual.
Read More

Frequently Asked Questions

9
Quick recovery
85 people found this helpful
The quality is excellent. I used it during a cold and recovered quickly in two days. It boosts immunity and has helped reduce my hair loss over two weeks.
9
Speeds up recovery
1 people found this helpful
I start taking this at the first sign of a cold. The illness tends to recede within 2-3 days. I get sick much less often and keep it on hand, particularly for winter.
10
Quick cold relief
1 people found this helpful
Cool zinc is essential, especially in the cold season! At the first signs of a cold, take zinc along with vitamins C and D in large quantities to ensure the cold passes quickly. Consult your doctor for proper dosage!
10
Colds disappeared
1 people found this helpful
I bought Zinc Balance on friends' recommendation due to frequent colds. The result? Colds have almost vanished from my life. I'm delighted! Zinc has significantly addressed my cold problems, and I appreciate the quality of this BUD with a proper number of capsules for the course. I will order more to maintain my immunity!
9
Increased resistance
25 people found this helpful
Perfectly During viral infections, I take zinc with vitamin C from Solgar to reduce the risk of getting sick. The maximum daily dose of zinc should not exceed 22 mg. With regular intake of zinc and vitamin C, my body’s resistance to viruses increases. Even if cold symptoms appear, they pass much easier and faster than usual.
10
Pandemic protection
2 people found this helpful
Excellent zinc paired with copper. Since zinc and copper are antagonists, Jarrow has created a combined preparation. I liked it immensely. During the pandemic, I took it daily and didn’t experience any colds. It's beneficial to take in conjunction with EGCG or quercetin to enhance zinc absorption in the cells. Stay healthy!
9
Essential for wellness
3 people found this helpful
Zinc combined with copper is a staple in my medicine cabinet, essential for trips and maintaining immunity. At the first signs of a cold, I take zinc along with vitamin C and elderberry syrup. It promotes healthy skin, hair, nails, and teeth, while a zinc deficiency can lead to fatigue and slow healing. These small capsules are easy to use, and I highly recommend keeping one in your first-aid kit.
9
Effective prophylaxis
3 people found this helpful
Excellent zinc! It’s easily assimilated, and I haven't been sick while taking it. I use one every morning for prevention and take two when cold symptoms appear. It seems to help my immune system fight effectively.
9
Aids quick recovery
1 people found this helpful
I recommend this reliable product. The company has convenient packaging, and the small capsules have no side effects. During a cold, I upped my dose to two capsules and recovered very quickly.
9
Instant cold relief
1 people found this helpful
I love zinc for its immediate help with colds. Previously, I tried pure zinc, but this combination with copper works even better—it’s two benefits in one.
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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