In a comprehensive clinical trial, we examined the effectiveness of Echinacea purpurea as a preventative measure against the common cold. This research stands out as the largest of its kind, evaluating both the safety and benefits of Echinacea over a long-term treatment period of four months.
We found that this proprietary extract of Echinacea, known as Echinaforce, proved to be beneficial in several ways. It significantly reduced the total number of cold episodes and the duration of those colds. Additionally, participants required fewer medications to cope with their symptoms, highlighting Echinacea's potential as a natural remedy.
Importantly, the extract showed impressive results, particularly for individuals who often experience recurrent infections. The study also indicated that the more closely individuals followed the recommended protocol, the better the preventive effects. Overall, we feel encouraged by the positive risk-to-benefit ratio of Echinacea purpurea when taken as directed for the common cold.
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9
Echinaforce® shows promise for colds
Efficacy and safety of Echinaforce® in respiratory tract infections.
We explored how Echinaforce®, a standardized extract from the Echinacea purpurea plant, can affect respiratory tract infections, including the common cold. In recent research, this treatment was subjected to a rigorous examination through a randomized, double-blind, placebo-controlled study lasting four months. This methodology is important because it allows for a clear comparison between those receiving the treatment and those receiving a placebo.
During the study, we observed that Echinaforce® exhibits immunomodulatory and broad antiviral effects against various respiratory viruses. Notably, it blocks proteins like Haemagglutinin and Neuraminidase, which are often involved in viral replication. One of the significant advantages of Echinaforce® over traditional antiviral medications, such as Oseltamivir, is that it does not lead to viral resistance.
The findings support the idea that Echinaforce® can enhance immune resistance and offers both long-term and short-term benefits for preventing and treating common cold symptoms. This makes it a promising option for individuals looking for natural ways to boost their immune system and combat viral infections.
Read More
8
Echinacea effective for colds
Safety and Efficacy Profile of Echinacea purpurea to Prevent Common Cold Episodes: A Randomized, Double-Blind, Placebo-Controlled Trial.
We conducted a study to explore the safety and effectiveness of Echinacea purpurea in preventing common cold episodes among 755 healthy participants over four months. Participants were randomly assigned to receive either an extract of Echinacea or a placebo, and they diligently recorded any adverse events or cold-related issues in diaries throughout the study period.
Our findings revealed that Echinacea appears to support cold prevention by reducing the number of cold episodes and the overall days spent unwell. Those who used Echinacea experienced fewer occasions requiring pain relief medications and showed a significant decrease in illness due to virally confirmed colds, especially those caused by enveloped viruses. Notably, participants who followed the treatment protocol closely benefitted the most, showing enhanced preventive effects from Echinacea.
Throughout the study, safety was carefully monitored, revealing that the incidence of adverse events was similar between those taking Echinacea and those on placebo. This indicates that Echinacea has a favorable safety profile comparable to taking no active treatment at all.
Overall, regular intake of Echinacea purpurea can offer a valuable boost in our defenses against the common cold, making it a potential natural remedy for those looking to reduce the frequency and severity of colds.
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Most Useful Reviews
10
Always effective
2 people found this helpful
An essential item to have on hand. Whenever I use echinacea at the first sign of a cold, I avoid becoming ill. I recommend using it at the first hint of symptoms for maximum effectiveness.
Read More
9
Remarkable improvement
2 people found this helpful
After feeling unwell with a chill and slight fever, I took cold medicine, but it was ineffective. I remembered the Super Echinacea I had and, upon taking it, I felt refreshed. A few days later, my mother had similar symptoms, and I was pleased to see her recover after I added Super Echinacea to her herbal tea.
Read More
7.5
Boosts immunity
2 people found this helpful
Echinacea is a superb immunomodulator that can enhance immunity against various viruses and is well-known for its antioxidant properties. I appreciate that it’s effective for preventing common colds and flu, especially with its convenient alcohol tincture form—though the taste is hardly noticeable. The pipette bottle is also practical. However, I regret that it’s no longer delivered to my country and it is rather costly, prompting me to deduct a star.
We're diving into the effectiveness of Echinacea for children dealing with acute cold and flu symptoms. A total of 79 children, aged between 4 and 12, were included in this study. We randomized them to receive either three or five doses of Echinaforce Junior tablets daily, allowing us to compare the benefits of 1200 mg versus 2000 mg of Echinacea extract.
During the cold episodes, parents diligently recorded their child's respiratory symptoms, while both parents and physicians provided feedback on how well the treatment was tolerated. Our observations revealed that Echinacea was well-received, boasting an impressive tolerability rate of over 96%. On average, cold episodes lasted 7.5 days, and most children fully recovered within 10 days.
Notably, we found that those taking five doses of Echinacea daily experienced a shorter average duration of symptoms, cutting the episode time by about 1.7 days compared to those taking three doses. This effective symptom relief led to low antibiotic prescriptions, with only 4.6% of children needing them. Overall, we see Echinacea tablets as a promising option for managing acute cold episodes in children, especially at higher doses.
Read More
9
Echinacea's promise against colds
Echinacea purpurea: A Proprietary Extract of Echinacea purpurea Is Shown to be Safe and Effective in the Prevention of the Common Cold.
In a comprehensive clinical trial, we examined the effectiveness of Echinacea purpurea as a preventative measure against the common cold. This research stands out as the largest of its kind, evaluating both the safety and benefits of Echinacea over a long-term treatment period of four months.
We found that this proprietary extract of Echinacea, known as Echinaforce, proved to be beneficial in several ways. It significantly reduced the total number of cold episodes and the duration of those colds. Additionally, participants required fewer medications to cope with their symptoms, highlighting Echinacea's potential as a natural remedy.
Importantly, the extract showed impressive results, particularly for individuals who often experience recurrent infections. The study also indicated that the more closely individuals followed the recommended protocol, the better the preventive effects. Overall, we feel encouraged by the positive risk-to-benefit ratio of Echinacea purpurea when taken as directed for the common cold.
Read More
9
Echinaforce® shows promise for colds
Efficacy and safety of Echinaforce® in respiratory tract infections.
We explored how Echinaforce®, a standardized extract from the Echinacea purpurea plant, can affect respiratory tract infections, including the common cold. In recent research, this treatment was subjected to a rigorous examination through a randomized, double-blind, placebo-controlled study lasting four months. This methodology is important because it allows for a clear comparison between those receiving the treatment and those receiving a placebo.
During the study, we observed that Echinaforce® exhibits immunomodulatory and broad antiviral effects against various respiratory viruses. Notably, it blocks proteins like Haemagglutinin and Neuraminidase, which are often involved in viral replication. One of the significant advantages of Echinaforce® over traditional antiviral medications, such as Oseltamivir, is that it does not lead to viral resistance.
The findings support the idea that Echinaforce® can enhance immune resistance and offers both long-term and short-term benefits for preventing and treating common cold symptoms. This makes it a promising option for individuals looking for natural ways to boost their immune system and combat viral infections.
Read More
9
Echinacea aids in cold treatment
Efficacy and safety of a multiherbal formula with vitamin C and zinc (Immumax) in the management of the common cold.
In our study, we investigated the effectiveness of a multiherbal formula called Immumax, which includes Echinacea, alongside garlic, Nigella sativa oil, Panax ginseng, vitamin C, and zinc, in treating the common cold. Conducted in an outpatient setting, this double-blind, randomized, controlled trial involved 62 participants who exhibited common cold symptoms. They were divided into two groups; one received Immumax, while the other received a placebo.
Our findings revealed that the patients taking Immumax experienced a significant reduction in the duration and severity of their cold symptoms compared to those on the placebo. Specifically, the average time for symptoms to resolve was notably quicker—4 days for Immumax users versus 8 days for the placebo group. Additionally, by day four and eight, there was a significant decrease in overall symptom severity scores among Immumax recipients.
Overall, we can confidently say that the inclusion of Echinacea in the multiherbal formula contributes positively to managing cold symptoms, aiding in quicker recovery. However, it’s essential to note that we didn't isolate the individual effects of Echinacea, so while it seems beneficial within this combination, we can’t definitively attribute all the positive effects solely to Echinacea.
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8
Echinacea boosts cold immunity
Echinacea purpurea (L.) Moench treatment of monocytes promotes tonic interferon signaling, increased innate immunity gene expression and DNA repeat hypermethylated silencing of endogenous retroviral sequences.
We explored the effects of Echinacea purpurea, a popular herbal remedy, on our immune response to the common cold. The study employed advanced techniques to measure how a standardized extract of Echinacea affects THP-1 monocytes, a type of immune cell. Through transcriptome, epigenome, and kinome profiling, we identified significant immunomodulatory effects from the Echinacea treatment.
Our findings revealed that Echinacea stimulates antiviral pathways responsible for activating immune responses. This includes enhancing signaling from interferons, which act as messengers in our immune system, and boosting the activity of pattern recognition receptors, which help identify pathogens. We also observed changes in genes related to inflammation and the body's metabolic processes, indicating a comprehensive strengthening of our innate immunity.
Furthermore, Echinacea treatment was linked to increased DNA methylation at specific genomic sites. This may inhibit the expression of endogenous retroviral sequences, contributing to a protective evolutionary response to viral infections. Such changes suggest that Echinacea may not only help alleviate symptoms but could also reduce the duration of colds caused by various coronaviruses, including new variants like SARS-CoV-2.
Overall, we believe Echinacea purpurea shows promise as a supportive treatment for common colds, particularly in boosting our inherent antiviral defenses during infections.
An essential item to have on hand. Whenever I use echinacea at the first sign of a cold, I avoid becoming ill. I recommend using it at the first hint of symptoms for maximum effectiveness.
Read More
9
Remarkable improvement
2 people found this helpful
After feeling unwell with a chill and slight fever, I took cold medicine, but it was ineffective. I remembered the Super Echinacea I had and, upon taking it, I felt refreshed. A few days later, my mother had similar symptoms, and I was pleased to see her recover after I added Super Echinacea to her herbal tea.
Read More
7.5
Boosts immunity
2 people found this helpful
Echinacea is a superb immunomodulator that can enhance immunity against various viruses and is well-known for its antioxidant properties. I appreciate that it’s effective for preventing common colds and flu, especially with its convenient alcohol tincture form—though the taste is hardly noticeable. The pipette bottle is also practical. However, I regret that it’s no longer delivered to my country and it is rather costly, prompting me to deduct a star.
Read More
9
Effective treatment
1 people found this helpful
It was beneficial for my common cold with symptoms like a runny nose and sneezing. After taking it, I felt better the next day and didn't need time off work.
Read More
9
Prevention strategy
1 people found this helpful
I've used it for years. Whenever I feel a hint of the common cold coming on, I take it and manage to stay healthy.
The common cold is a viral infection of the upper respiratory tract, primarily affecting the nose and throat. It's caused by a variety of viruses, with rhinoviruses being the most prevalent. Symptoms generally include a runny or stuffy nose, sore throat, cough, sneezing, mild headache, and sometimes a low-grade fever. While the common cold is often mild and resolves on its own within a week or two, it can still be bothersome and impact daily activities.
Transmission occurs through respiratory droplets when an infected person coughs or sneezes, or by touching surfaces contaminated with the virus. Preventative measures include frequent handwashing, using hand sanitizer, and avoiding close contact with infected individuals. Since there is currently no cure for the common cold, treatment focuses on symptom relief through over-the-counter medications, adequate rest, and hydration. While colds may be uncomfortable, they are generally not serious; however, seeking medical attention may be necessary if symptoms worsen or persist for an extended period.
Echinacea is a genus of flowering plants in the daisy family, commonly known for its medicinal properties. There are several species within this genus, but Echinacea purpurea is perhaps the most well-known and widely used, particularly in herbal supplements aimed at supporting immune health. Traditionally, Echinacea has been used by Native American tribes for its purported benefits in fighting infections and reducing symptoms of colds and respiratory illnesses. The plant is characterized by its distinctive purple cone-shaped flowers and is also cultivated for ornamental purposes.
In contemporary use, Echinacea is typically available in various forms, including capsules, teas, extracts, and tinctures. While some studies suggest that Echinacea may help reduce the duration and severity of colds when taken at the first signs of illness, evidence remains mixed, and more research is needed to confirm its effectiveness. As always, it’s advisable to consult with a healthcare professional before starting any new supplement, especially for individuals with allergies to plants in the daisy family or those taking specific medications.
While Echinacea is a popular herbal supplement often touted for its ability to prevent or reduce the duration of colds, the scientific evidence on its effectiveness is mixed. Some studies suggest that Echinacea may stimulate the immune system, which could potentially help fend off the common cold or reduce its severity if taken at the onset of symptoms. However, other research indicates that it may have little to no effect compared to a placebo.
If you decide to try Echinacea, it’s important to choose a reputable product, as the quality and concentration of Echinacea can vary widely among brands. Additionally, some individuals may experience side effects, and there is limited research on its long-term safety. Therefore, it’s advisable to consult with a healthcare professional before adding Echinacea to your regimen, especially if you are pregnant, nursing, or taking other medications. Ultimately, while Echinacea may offer some benefits for some individuals, relying on it as a definitive cure for the common cold isn't fully supported by robust clinical evidence.
Based on user reviews, the timeframe for seeing results from echinacea when addressing the common cold can vary significantly, often hinging on the timing of consumption. Many users recommend taking echinacea at the first sign of symptoms to maximize its effectiveness. For instance, one user noted feeling better the next day after starting echinacea for their common cold symptoms like a runny nose and sneezing Read Review. Another stated that they have successfully managed to stay healthy by taking it promptly at the onset of a cold Read Review.
Additionally, users have reported that using echinacea can facilitate a quicker recovery when symptoms start to manifest. For example, one reviewer mentioned experiencing a refreshing feeling after taking Super Echinacea when unwell, suggesting that the supplement can yield noticeable results within a few days Read Review. Overall, early intervention appears to be a key factor in the efficacy of echinacea for the common cold, with users indicating they often observe improvements within a short period following initial use.
Research on Echinacea, particularly Echinacea purpurea, has yielded mixed results regarding its effectiveness in managing the common cold. Some studies highlight its potential to enhance immune responses and alleviate symptoms. For instance, a study found that Echinacea purpurea administers significant immunomodulatory effects, suggesting it could enhance antiviral defenses and even shorten the duration of cold symptoms due to coronaviruses, including SARS-CoV-2 [1]. Another trial indicated that children taking Echinacea experienced a reduction in the duration of cold episodes and fewer antibiotic prescriptions, highlighting its positive impact on symptom relief [2].
However, not all studies have found strong evidence supporting Echinacea's efficacy. Several trials suggest that while there may be slight benefits, they are not robust enough to endorse Echinacea as a reliable standalone treatment for the common cold [3]. A systematic review of multiple studies revealed no significant advantages for Echinacea compared to placebo, and, notably, it was often outperformed by other herbal remedies [7]. Thus, while Echinacea may offer some benefits for specific populations, the overall scientific consensus remains cautious, suggesting further research is needed to clarify its role in cold prevention and treatment.
Based on user reviews, many individuals report a notable improvement in symptoms when using echinacea at the first indication of a common cold. Users frequently mention that taking echinacea can prevent them from falling ill altogether or significantly shorten the duration of their symptoms. For instance, one reviewer noted that they consistently avoided illness by using echinacea as soon as they detected the slightest hint of a cold Read Review. Another user observed that their symptoms improved within a day of starting echinacea during a cold episode, allowing them to avoid taking time off work Read Review.
Additionally, users have highlighted echinacea's ability to enhance recovery from colds, with some reporting feeling refreshed after taking it alongside other remedies Read Review. Overall, while individual experiences may vary, many find echinacea not only effective in alleviating symptoms but also crucial in boosting immunity and preventing the onset of colds Read Review.
Users report that combining echinacea with other natural remedies can enhance its effectiveness in managing common cold symptoms. For instance, one user mentioned that after feeling unwell, they added Super Echinacea to their mother’s herbal tea, which led to a noticeable improvement in her recovery Read Review. Another reviewer shared a positive experience with echinacea and other natural remedies for their teenage daughter, stating that this combination proved beneficial at the onset of her cold symptoms Read Review.
Additionally, several users highlighted that taking echinacea at the first sign of a cold often works well alongside other supplements or remedies, which can lead to quicker recovery and symptom relief Read Review. Users appreciate having echinacea in their regimen, indicating that it serves as a reliable addition when combined with other treatments, thereby maximizing its potential and resulting in more effective management of cold symptoms Read Review.
Based on user reviews, the right dose for Echinacea when treating the common cold generally involves starting at the first signs of symptoms. Many users consistently mention that early intervention appears crucial for optimal effectiveness. For example, one user emphasized the importance of taking Echinacea at the very first hint of a cold, stating it helps them avoid becoming ill entirely Read Review. Several users routinely keep Echinacea on hand and suggest taking it daily during periods when they anticipate exposure to colds, such as travel or flu season Read Review.
In terms of specific usage, certain users reported taking it in drops, often noting a 5-drop daily regimen as effective Read Review. Others mentioned varying their doses based on the severity of their symptoms but found consistent results in symptom relief when used early. Overall, reviews suggest that the most effective approach is to administer Echinacea as soon as cold symptoms arise, supporting its role as an immune booster during such episodes Read Review.
9
Effective treatment
1 people found this helpful
It was beneficial for my common cold with symptoms like a runny nose and sneezing. After taking it, I felt better the next day and didn't need time off work.
9
Prevention strategy
1 people found this helpful
I've used it for years. Whenever I feel a hint of the common cold coming on, I take it and manage to stay healthy.
9
Remarkable improvement
2 people found this helpful
After feeling unwell with a chill and slight fever, I took cold medicine, but it was ineffective. I remembered the Super Echinacea I had and, upon taking it, I felt refreshed. A few days later, my mother had similar symptoms, and I was pleased to see her recover after I added Super Echinacea to her herbal tea.
10
Always effective
2 people found this helpful
An essential item to have on hand. Whenever I use echinacea at the first sign of a cold, I avoid becoming ill. I recommend using it at the first hint of symptoms for maximum effectiveness.
9
Helpful immunity booster
Excellent! Echinacea is fantastic and effective for treating common colds and boosting immunity.
7.5
Effective treatment
1 people found this helpful
It really helps! My teenage daughter caught a common cold, and I gave her this amazing product along with other natural remedies right at the start, which proved beneficial.
6
Effective for colds
I purchased this product thinking it would be more effective than vitamin C for cold symptoms, particularly for throat inflammation and pain relief. Although it possesses a slight taste that may be challenging to drink, I find it's a useful addition to have on hand for preventing common colds, hence I'm giving it 4 stars.
9
Quick recovery
1 people found this helpful
Take Super Echinacea when experiencing the common cold, and you’ll recover swiftly.
9
Travel companion
2 people found this helpful
I keep it handy as it has reliably helped me with the onset of the common cold. I take it when I travel. I've noticed it significantly shortens the duration of symptoms.
7.5
Family favourite
Great! I really enjoy these drops; they are a staple in our home. When someone feels unwell, we take five drops daily. It’s very effective!
9
Flu prevention
1 people found this helpful
This is excellent for combating the common cold and flu. I take it at the first symptoms, and thus far, I have not fallen ill this season.
8
Echinacea boosts cold immunity
Echinacea purpurea (L.) Moench treatment of monocytes promotes tonic interferon signaling, increased innate immunity gene expression and DNA repeat hypermethylated silencing of endogenous retroviral sequences.
We explored the effects of Echinacea purpurea, a popular herbal remedy, on our immune response to the common cold. The study employed advanced techniques to measure how a standardized extract of Echinacea affects THP-1 monocytes, a type of immune cell. Through transcriptome, epigenome, and kinome profiling, we identified significant immunomodulatory effects from the Echinacea treatment.
Our findings revealed that Echinacea stimulates antiviral pathways responsible for activating immune responses. This includes enhancing signaling from interferons, which act as messengers in our immune system, and boosting the activity of pattern recognition receptors, which help identify pathogens. We also observed changes in genes related to inflammation and the body's metabolic processes, indicating a comprehensive strengthening of our innate immunity.
Furthermore, Echinacea treatment was linked to increased DNA methylation at specific genomic sites. This may inhibit the expression of endogenous retroviral sequences, contributing to a protective evolutionary response to viral infections. Such changes suggest that Echinacea may not only help alleviate symptoms but could also reduce the duration of colds caused by various coronaviruses, including new variants like SARS-CoV-2.
Overall, we believe Echinacea purpurea shows promise as a supportive treatment for common colds, particularly in boosting our inherent antiviral defenses during infections.
9
Echinacea shows potential for colds
Safety and Dose-Dependent Effects of for the Treatment of Acute Cold Episodes in Children: A Multicenter, Randomized, Open-Label Clinical Trial.
We're diving into the effectiveness of Echinacea for children dealing with acute cold and flu symptoms. A total of 79 children, aged between 4 and 12, were included in this study. We randomized them to receive either three or five doses of Echinaforce Junior tablets daily, allowing us to compare the benefits of 1200 mg versus 2000 mg of Echinacea extract.
During the cold episodes, parents diligently recorded their child's respiratory symptoms, while both parents and physicians provided feedback on how well the treatment was tolerated. Our observations revealed that Echinacea was well-received, boasting an impressive tolerability rate of over 96%. On average, cold episodes lasted 7.5 days, and most children fully recovered within 10 days.
Notably, we found that those taking five doses of Echinacea daily experienced a shorter average duration of symptoms, cutting the episode time by about 1.7 days compared to those taking three doses. This effective symptom relief led to low antibiotic prescriptions, with only 4.6% of children needing them. Overall, we see Echinacea tablets as a promising option for managing acute cold episodes in children, especially at higher doses.
4
Echinacea shows limited cough relief
Herbal Medicine for Cough: a Systematic Review and Meta-Analysis.
We explored the effects of echinacea on cough, particularly in relation to upper respiratory infections and the common cold. Our review focused on various studies that tested echinacea alongside other herbal treatments.
The findings indicated that although echinacea was examined across multiple trials, the evidence supporting its effectiveness was classified as limited. In fact, it showed a slight improvement in alleviating cough symptoms, but it did not stand out as a major player compared to other herbal remedies like Andrographis paniculata or ivy-based preparations, which demonstrated stronger evidence of effectiveness.
While we can appreciate the interest in echinacea for cold symptoms, it’s important for us to acknowledge that the research does not provide strong support for its use as a standalone treatment for cough. This means that while echinacea might assist in some cases, it is not the most potent option available according to the current evidence.
4
Echinacea shows no significant benefit
Echinacea for preventing and treating the common cold.
We investigated the effectiveness of echinacea preparations in preventing and treating the common cold. Our exploration included 24 double-blind trials with nearly 4,700 participants, comparing different echinacea products to placebo treatments.
The trials varied in quality, with some showing low risk of bias while others had high risk. Unfortunately, despite our thorough analysis, we found no significant benefits of echinacea for preventing or treating colds. Specifically, trials aimed at prevention did not show a statistical advantage, although there was a slight trend suggesting a possible 10% to 20% risk reduction.
In terms of treatment, only one of the seven trials showed echinacea having any effect on the duration of colds. Additionally, the number of participants leaving the studies due to adverse effects was similar between echinacea and placebo groups. Overall, we conclude that echinacea products haven’t convincingly demonstrated effectiveness for cold relief, even if there are faint hints of potential benefit.
References
Declerck K, Novo CP, Grielens L, Van Camp G, Suter A, et al. Echinacea purpurea (L.) Moench treatment of monocytes promotes tonic interferon signaling, increased innate immunity gene expression and DNA repeat hypermethylated silencing of endogenous retroviral sequences. BMC Complement Med Ther. 2021;21:141. doi:10.1186/s12906-021-03310-5
Weishaupt R, Bächler A, Feldhaus S, Lang G, Klein P, et al. Safety and Dose-Dependent Effects of for the Treatment of Acute Cold Episodes in Children: A Multicenter, Randomized, Open-Label Clinical Trial. Children (Basel). 2020;7. doi:10.3390/children7120292
Wagner L, Cramer H, Klose P, Lauche R, Gass F, et al. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis. Forsch Komplementmed. 2015;22:359. doi:10.1159/000442111
Ross SM. Echinacea purpurea: A Proprietary Extract of Echinacea purpurea Is Shown to be Safe and Effective in the Prevention of the Common Cold. Holist Nurs Pract. 2016;30:54. doi:10.1097/HNP.0000000000000130
Barth A, Hovhannisyan A, Jamalyan K, Narimanyan M. Antitussive effect of a fixed combination of Justicia adhatoda, Echinacea purpurea and Eleutherococcus senticosus extracts in patients with acute upper respiratory tract infection: A comparative, randomized, double-blind, placebo-controlled study. Phytomedicine. 2015;22:1195. doi:10.1016/j.phymed.2015.10.001
Karsch-Völk M, Barrett B, Linde K. Echinacea for preventing and treating the common cold. JAMA. 2015;313:618. doi:10.1001/jama.2014.17145
Karsch-Völk M, Barrett B, Kiefer D, Bauer R, Ardjomand-Woelkart K, et al. Echinacea for preventing and treating the common cold. Cochrane Database Syst Rev. 2014;2014:CD000530. doi:10.1002/14651858.CD000530.pub3
Schapowal A. Efficacy and safety of Echinaforce® in respiratory tract infections. Wien Med Wochenschr. 2013;163:102. doi:10.1007/s10354-012-0166-0
Jawad M, Schoop R, Suter A, Klein P, Eccles R. Safety and Efficacy Profile of Echinacea purpurea to Prevent Common Cold Episodes: A Randomized, Double-Blind, Placebo-Controlled Trial. Evid Based Complement Alternat Med. 2012;2012:841315.
Barrett B, Brown R, Rakel D, Rabago D, Marchand L, et al. Placebo effects and the common cold: a randomized controlled trial. Ann Fam Med. 2011;9:312. doi:10.1370/afm.1250
Mathes A, Bellanger R. Herbs and other dietary supplements: current regulations and recommendations for use to maintain health in the management of the common cold or other related infectious respiratory illnesses. J Pharm Pract. 2010;23:117. doi:10.1177/0897190009358711
Arroll B. Common cold. BMJ Clin Evid. 2011;2011.
Yakoot M, Salem A. Efficacy and safety of a multiherbal formula with vitamin C and zinc (Immumax) in the management of the common cold. Int J Gen Med. 2011;4:45. doi:10.2147/IJGM.S16266
Nahas R, Balla A. Complementary and alternative medicine for prevention and treatment of the common cold. Can Fam Physician. 2011;57:31.
Bieuvelet S, Seyrig C, Leclerc C. [A preliminary survey on the interest of eating probiotics, cypress and echinacea to prevent the apparition of winter infections]. Phytotherapie (Paris). 2011;9:120. doi:10.1007/s10298-011-0613-x
Barrett B, Brown R, Rakel D, Mundt M, Bone K, et al. Echinacea for treating the common cold: a randomized trial. Ann Intern Med. 2010;153:769. doi:10.7326/0003-4819-153-12-201012210-00003