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
10
Quickly combats cold
214 people found this helpful
Helps the immune system and quickly defeats the common cold. The results are excellent, with no side effects.
Read More
9
Reliable cold prevention
186 people found this helpful
After years of taking this product daily, I can confidently recommend it as a dependable immune booster. At 81 years old, I haven’t caught a cold or flu in many years, despite not receiving a flu shot!
Read More
9
Indispensable in winter
93 people found this helpful
The nutritionist recommended one capsule of zinc picolinate for my child as part of therapy. The child tolerates it well; we increase the dose during any hint of a cold. It's essential and effective.
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 837 Reviews
8
All Reviews
Positive Reviews
Negative Reviews
10
Quickly combats cold
214 people found this helpful
Helps the immune system and quickly defeats the common cold. The results are excellent, with no side effects.
Read More
9
Reliable cold prevention
186 people found this helpful
After years of taking this product daily, I can confidently recommend it as a dependable immune booster. At 81 years old, I haven’t caught a cold or flu in many years, despite not receiving a flu shot!
Read More
9
Indispensable in winter
93 people found this helpful
The nutritionist recommended one capsule of zinc picolinate for my child as part of therapy. The child tolerates it well; we increase the dose during any hint of a cold. It's essential and effective.
Read More
9
Disappears cold symptoms
5 people found this helpful
I take 3 tablets at bedtime and 3 in the morning whenever I sense a cold or flu, and the symptoms vanish!
Read More
7.5
Immune system benefits
5 people found this helpful
Zinc Picolinate is the optimal formula for our bodies. It significantly strengthens the immune system and shields against infections. I take one tablet every evening for a month. At the first sign of a cold, I take three pills, and the illness soon recedes. Additionally, zinc is vital for maintaining hormonal balance in both men and women.
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 timeline for seeing results from zinc picolinate supplements when dealing with cold symptoms can vary, but many users report experiencing relief quite quickly. Several reviews note that individuals have felt improvement within 1-2 days of starting the supplement at the first sign of a cold (Read ReviewRead Review). Others mention that they incorporate it into their routine and have been able to ward off colds effectively over extended periods, with some stating they have not experienced any colds at all during the cold season (Read ReviewRead Review).
Timing can be crucial; users suggest starting the supplement as soon as symptoms appear to maximize effectiveness. It's also common for reviewers to recommend continuing zinc supplementation for several days to fully combat cold symptoms (Read Review). Overall, while individual experiences may vary, many users report that timely administration of zinc picolinate can lead to rapid improvements in cold symptoms.
Recent studies indicate mixed results regarding the effectiveness of zinc as a supplement for alleviating cold symptoms. One investigation pointed to the benefits of a mouthwash incorporating zinc, where participants who gargled experienced a 21.5% reduction in the frequency and an 11% decrease in the severity of respiratory symptoms related to colds [1]. While this suggests that zinc could be beneficial within specific formulations, the study also highlighted the challenge of isolating zinc's effects from other active components, such as cetylpyridinium chloride.
On the other hand, a more focused study looking at zinc alone revealed that its effects on cold symptoms were less pronounced than hoped. Although some individuals noted minor improvements, the evidence did not strongly endorse zinc as a reliable treatment for the common cold [2]. As a result, while zinc may offer some relief in certain applications (like mouthwash), it may not be the definitive solution for everyone seeking to combat cold symptoms. Therefore, considering zinc as a part of a broader treatment strategy seems the most prudent approach.
Users have reported a range of improvements in cold symptoms after taking zinc picolinate supplements. Many individuals noticed a significant reduction in the duration and severity of their cold symptoms, often feeling better within 1-2 days of starting supplementation, particularly when taken at the first hint of illness (Read Review). For example, one reviewer noted that using zinc at the onset of a cold led to a quicker recovery, allowing them to resume their normal activities swiftly (Read Review). Several parents reported administering zinc to their children at the first sign of colds, and they observed that the incidences of illness decreased significantly throughout the colder months (Read Review).
Beyond immediate cold relief, users also praised its immune-boosting properties, suggesting consistent use can help stave off illnesses altogether. One reviewer shared their experience of taking zinc daily during the fall and winter, claiming they hadn’t fallen ill during that timeframe, reinforcing the idea that regular supplementation might bolster overall immunity (Read Review). Overall, while anecdotal experiences suggest positive effects in alleviating cold symptoms and enhancing immune function, individual results can vary widely, and it’s advisable to consult with a healthcare professional for personalized guidance.
Users have reported varying results when combining zinc picolinate with other supplements for managing cold symptoms. Several reviewers mentioned taking zinc alongside vitamin C, vitamin D3, and even probiotics as part of their regimen, noting enhanced overall effectiveness. For instance, one user specifically highlighted the positive outcomes of using zinc in conjunction with omega-3, vitamin D3, vitamin C, probiotics, and NAC (ACC), which contributed to a swift recovery within two days of feeling unwell (Read Review). Another user reported that taking zinc with copper is advisable to prevent potential deficiencies that could arise from high zinc intake, further illustrating the benefits of carefully considering supplement combinations (Read Review).
In addition to these combinations, many users observed that consistently incorporating zinc into their daily routine led to improved immunity and a reduced incidence of colds throughout the colder months. A review noted that taking zinc daily from October to February had kept colds at bay, suggesting that long-term use might be beneficial in conjunction with short-term strategies during illness (Read Review). Overall, user experiences indicate that pairing zinc with other immune-supporting supplements may yield enhanced results in managing cold symptoms and preventing illness.
When it comes to finding the right dose of zinc for treating colds, user experiences suggest a range of strategies, with many leaning towards increased dosages during the onset of symptoms. For instance, one user reported taking two tablets twice a day at the first sign of a cold and experiencing relief within one to two days Read Review. Another user shared that they typically take one zinc capsule daily but increase the dosage to 75 mg for a day or two if they feel unwell, emphasizing the importance of paying attention to one's body Read Review.
Users frequently mentioned the efficacy of zinc when taken promptly at the first signs of a cold. For example, one user noted that they give their children a tablet at the first signs of illness for three days, resulting in a noticeable reduction in sickness frequency Read Review. Overall, many reviews highlighted that taking the correct dose of zinc, particularly during the onset of symptoms, not only helps in quicker recovery but may also support ongoing immune health throughout the colder months.
9
Rapid cold relief
3 people found this helpful
It aids with colds! As soon as I feel unwell, my husband and I take 2 zinc tablets twice a day, and after 1-2 days, everything is fine. 👍🏻 The cold goes away; the key is not to delay treatment!
9
Quick recovery
2 people found this helpful
It works! Colds and malaise disappear within a couple of days.
10
Cold prevention
2 people found this helpful
Good cold remedy. I take one every day from October until February. During this time, I've had no colds, and if I feel even a hint of illness, it passes the next day. I believe zinc deserves the credit.
10
Excellent effect
At the first signs of a cold, I take this myself and give it to my daughter (15 years old). The effect is excellent; the cold recedes. We usually take it for 4-5 days. This coming cold season, I intend to use it for a month to prevent getting ill.
7.5
Immune system benefits
5 people found this helpful
Zinc Picolinate is the optimal formula for our bodies. It significantly strengthens the immune system and shields against infections. I take one tablet every evening for a month. At the first sign of a cold, I take three pills, and the illness soon recedes. Additionally, zinc is vital for maintaining hormonal balance in both men and women.
9
Easier colds
2 people found this helpful
For colds, it has a super effect! I give my children a tablet at the first signs of a cold for three days; they’ve been noticeably less ill and finally experienced autumn-winter without temperatures! I also took it myself for a week to treat my condition, and the white stripes on my nails disappeared.
9
Effective natural remedy
1 people found this helpful
In SARS, I take it with ARVI alongside Omega-3, vitamin D3, vitamin C, probiotics, and NAC (ACC). These remedies got me back on my feet in two days! I avoid useless pharmacy drugs, preferring natural treatments in substantial doses for colds. Recovery is swift and effortless. I highly recommend my first aid kit for both adults and children. Stay healthy! Thank you for your endorsement.
10
Recommended zinc supplement
Excellent zinc! I haven't had a single cold at all. I recommend it, but it's advisable to take it with copper as zinc can wash away copper, and deficiency leads to early greying of hair.
9
Boosts energy
1 people found this helpful
I love this zinc picolinate supplement. It's the best bioavailable zinc, helping me boost my immunity and combat colds. In winter, I take one capsule daily and feel more energetic and healthy. When I feel I'm about to get sick, I take 75 mg for a day or two, which helps me fight off a cold before it begins. Be mindful of dosage; listening to your body is crucial.
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