Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.7
USERS' SCORE
Good
Based on 297 Reviews
8.8
Supplement Facts
Serving Size: 3 Softgels
Amount Per Serving
%DV
Garlic Oil Concentrate (Allium sativum) (Bulb) (Equivalent to 4,500 mg of Whole Clove Garlic)
9 mg
*

Top Medical Research Studies

9
Efficacy of garlic against colds
We examined the effectiveness of garlic as a treatment to prevent cold symptoms based on a comprehensive review of systematic reviews. This analysis included various studies that compared garlic and other preventative interventions against a control group receiving no treatment or a placebo.

Our findings indicated that garlic demonstrated notable advantages in reducing instances of influenza, a key player in the spectrum of cold-like illnesses. However, we also learned that the evidence surrounding garlic specifically for cold prevention isn't robust enough to make definitive claims.

It's essential to note that while garlic showed potential, vitamin C did not present any significant benefits in this context. Ultimately, the effectiveness of other interventions remains to be convincingly validated with strong scientific evidence.
Read More
8
Garlic improves cold-induced circulation
In our exploration of how garlic affects circulation during cold exposure, we investigated the specific sulfur compound, -1-propenylcysteine, found in aged garlic extract (AGE). Our study examined how this compound could help alleviate the reduction in blood flow when rats were exposed to cold water.

We conducted a series of tests using Wistar rats subjected to a cold treatment after being administered AGE or its individual components, including -1-propenylcysteine, -allylcysteine, and -allylmercaptocysteine. The results revealed that both AGE and -1-propenylcysteine effectively improved blood flow in the rats' tails, especially at a certain dose of -1-propenylcysteine.

Notably, we found that the improvement in blood flow could be linked to a boost in certain blood components and enzymes related to blood circulation. These findings suggest that -1-propenylcysteine plays a significant role in enhancing blood flow during cold exposure by activating specific pathways in the body.

Our research indicates that while garlic components, particularly -1-propenylcysteine, have the potential to benefit circulation in cold conditions, larger studies are needed to fully understand the implications for human health.
Read More
9
Garlic and ACV improve cold sores
We explored the potential of combining garlic oil with acyclovir (ACV) to tackle the challenges of cold sores caused by the herpes simplex virus. By creating a unique nanoemulsion delivery system, we aimed to enhance how effective ACV is in treating these annoying outbreaks.

Our work involved developing a garlic oil-acylcovir nanoemulsion, which we then incorporated into a transdermal film. This innovative approach was put to the test for its ability to improve skin absorption of the medication. The results were quite promising, showing that our formulation significantly increased ACV's effectiveness compared to regular transdermal methods. We observed a remarkable 2.3 times increase in the absorption of ACV when combined with garlic oil, indicating that garlic may indeed amplify its therapeutic benefits.

However, while this study shows that garlic oil can enhance the performance of acyclovir, we must note that the isolated effects of garlic on cold sores cannot be fully established, as it was tested alongside ACV. Overall, our findings suggest that the garlic oil-ACV blend does make strides toward more effective treatment options for cold sores, paving the way for future explorations in this area of research.
Read More

Most Useful Reviews

9.5
Immune system boost
I want to share my thoughts on Now Foods’ Garlic Oil. This product is suggested for SARS and colds, and I can confirm its effectiveness in boosting the immune system. However, there's a drawback—the strong garlic burp that follows, making me feel like I’ve consumed excessively. Nevertheless, it has been beneficial for my health.
Read More
8.3
Effective against cold
Great for fighting winter colds. When I feel overtired or coming down with a cold, I take about 6 to 8 garlic oil pills and they do a great job fighting off the cold. It's best to take them before the cold sets in or at the first hint of not feeling well. I've been using them for about 5 years and have not had a serious cold in all that time.
Read More
10
Avoided cold/flu
Completely abated cold and flu season. This product, combined with zinc and oregano oil, helped me avoid catching the cold/flu viruses frequently going around our office several times. I only had the sniffles while others were visiting the doctors.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.7
  • All Researches
9
Efficacy of garlic against colds
We examined the effectiveness of garlic as a treatment to prevent cold symptoms based on a comprehensive review of systematic reviews. This analysis included various studies that compared garlic and other preventative interventions against a control group receiving no treatment or a placebo.

Our findings indicated that garlic demonstrated notable advantages in reducing instances of influenza, a key player in the spectrum of cold-like illnesses. However, we also learned that the evidence surrounding garlic specifically for cold prevention isn't robust enough to make definitive claims.

It's essential to note that while garlic showed potential, vitamin C did not present any significant benefits in this context. Ultimately, the effectiveness of other interventions remains to be convincingly validated with strong scientific evidence.
Read More
9
Garlic and ACV improve cold sores
We explored the potential of combining garlic oil with acyclovir (ACV) to tackle the challenges of cold sores caused by the herpes simplex virus. By creating a unique nanoemulsion delivery system, we aimed to enhance how effective ACV is in treating these annoying outbreaks.

Our work involved developing a garlic oil-acylcovir nanoemulsion, which we then incorporated into a transdermal film. This innovative approach was put to the test for its ability to improve skin absorption of the medication. The results were quite promising, showing that our formulation significantly increased ACV's effectiveness compared to regular transdermal methods. We observed a remarkable 2.3 times increase in the absorption of ACV when combined with garlic oil, indicating that garlic may indeed amplify its therapeutic benefits.

However, while this study shows that garlic oil can enhance the performance of acyclovir, we must note that the isolated effects of garlic on cold sores cannot be fully established, as it was tested alongside ACV. Overall, our findings suggest that the garlic oil-ACV blend does make strides toward more effective treatment options for cold sores, paving the way for future explorations in this area of research.
Read More
8
Garlic improves cold-induced circulation
In our exploration of how garlic affects circulation during cold exposure, we investigated the specific sulfur compound, -1-propenylcysteine, found in aged garlic extract (AGE). Our study examined how this compound could help alleviate the reduction in blood flow when rats were exposed to cold water.

We conducted a series of tests using Wistar rats subjected to a cold treatment after being administered AGE or its individual components, including -1-propenylcysteine, -allylcysteine, and -allylmercaptocysteine. The results revealed that both AGE and -1-propenylcysteine effectively improved blood flow in the rats' tails, especially at a certain dose of -1-propenylcysteine.

Notably, we found that the improvement in blood flow could be linked to a boost in certain blood components and enzymes related to blood circulation. These findings suggest that -1-propenylcysteine plays a significant role in enhancing blood flow during cold exposure by activating specific pathways in the body.

Our research indicates that while garlic components, particularly -1-propenylcysteine, have the potential to benefit circulation in cold conditions, larger studies are needed to fully understand the implications for human health.
Read More

User Reviews

USERS' SCORE
Good
Based on 297 Reviews
8.8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Immune system boost
I want to share my thoughts on Now Foods’ Garlic Oil. This product is suggested for SARS and colds, and I can confirm its effectiveness in boosting the immune system. However, there's a drawback—the strong garlic burp that follows, making me feel like I’ve consumed excessively. Nevertheless, it has been beneficial for my health.
Read More
8.3
Effective against cold
Great for fighting winter colds. When I feel overtired or coming down with a cold, I take about 6 to 8 garlic oil pills and they do a great job fighting off the cold. It's best to take them before the cold sets in or at the first hint of not feeling well. I've been using them for about 5 years and have not had a serious cold in all that time.
Read More
10
Avoided cold/flu
Completely abated cold and flu season. This product, combined with zinc and oregano oil, helped me avoid catching the cold/flu viruses frequently going around our office several times. I only had the sniffles while others were visiting the doctors.
Read More
10
Effective remedy
My wife takes this at the first sign of illness, like a cold, and it works wonders—sickness vanishes! It’s impressively potent. The only downside is her breath after taking it.
Read More
9.5
Strengthens immunity
I take this oil as part of a body cleansing protocol. The capsules are small, easy to swallow, and effectively strengthen my immunity. I hardly ever get colds now, and my thrush symptoms have reduced significantly. Overall, I find the product very effective and will continue to use it.
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.

Garlic, scientifically known as Allium sativum, is a popular culinary ingredient that is renowned for its distinctive flavor and numerous health benefits. Belonging to the onion family, it is closely related to leeks and shallots. Garlic is typically used in various cuisines worldwide, lending its pungent, savory notes to a range of dishes from pasta sauces to roasted meats. Whether consumed raw, sautéed, or roasted, garlic not only enhances the taste of food but is also prized for its potential health properties, including its antimicrobial effects and ability to boost the immune system.

In addition to its culinary uses, garlic is often celebrated in alternative medicine for its health benefits. It is rich in essential nutrients, including vitamins C and B6, manganese, and selenium. Furthermore, research suggests that garlic may help lower blood pressure, improve cholesterol levels, and provide antioxidant effects. When buying garlic, opt for firm, dry bulbs with tight skin and avoid any signs of sprouting or softness. Fresh garlic cloves can easily elevate your cooking game, making them a staple in kitchens around the globe.

Garlic has been traditionally touted for its potential health benefits, including its ability to boost the immune system. Some studies suggest that garlic may help shorten the duration of a cold or reduce the severity of symptoms thanks to its antibacterial and antiviral properties. Allicin, a compound found in raw garlic, is believed to be responsible for these effects. Including garlic in your diet or taking garlic supplements might offer some benefits, especially if you consume them at the onset of cold symptoms.

However, it’s essential to note that while garlic can be a supportive part of a wellness regimen, it shouldn't be seen as a cure-all for colds. Research is still ongoing, and the outcomes can vary from person to person. The most effective cold prevention and treatment methods usually include good hygiene practices and a balanced diet, alongside rest and adequate hydration. If you're considering adding more garlic to your diet for health reasons, it’s always a good idea to consult with a healthcare professional.

Based on user reviews, the timeframe for experiencing results from taking garlic oil as a supplement for colds varies, but many users report seeing improvement quite rapidly. For example, some reviews suggest that symptoms can begin to alleviate within as little as a day of taking the capsules. One user noted, "At the first signs of a cold, I consumed three capsules and everything receded within a day" (Read Review). Similarly, another individual mentioned that they take 2-3 capsules when they feel a cold coming on, noting, "if I feel a cold coming on, I take 2-3 capsules, and it clears up by the next day" (Read Review).

Overall, users generally agree that the sooner you begin taking the garlic oil at the onset of cold symptoms, the more effective it seems to be. Regular, preventative use during the cold season is also suggested, with some reviewers stating they no longer suffer from colds after incorporating it into their routine (Read Review). While individual responses to the supplement may vary, many find it to be a reliable ally in bolstering their immune defenses against seasonal illnesses.

The scientific research surrounding garlic as a supplement for cold prevention presents a mixed picture. A comprehensive review indicated that while garlic may have advantages in reducing instances of influenza—a component of cold-like illnesses—the evidence specifically supporting garlic's efficacy in preventing common cold symptoms is not robust enough to make definitive claims ([1]). Essentially, garlic shows potential but lacks conclusive support for direct cold prevention.

Moreover, while garlic has been studied for its benefits in improving blood flow during cold exposure, it is crucial to note that these findings pertain primarily to circulation rather than directly combating cold symptoms ([3]). Overall, garlic could provide some advantages in respiratory health and circulation, yet more extensive research is necessary to validate its effectiveness as a reliable supplement for cold prevention.

Based on user reviews, many individuals have reported significant improvements in their symptoms related to colds and overall immunity after using garlic oil supplements. For instance, several users have mentioned that taking garlic oil capsules at the first sign of cold symptoms often leads to rapid relief. One user noted, "At the first signs of a cold, I consumed three capsules and everything receded within a day" (Read Review). Others shared similar experiences, indicating that making garlic oil part of their routine has led to fewer episodes of respiratory infections, with one stating, "I went a year without illness after starting this" (Read Review).

Moreover, many users highlighted that garlic oil not only helps in addressing immediate cold symptoms but also plays a role in long-term immunity. A user claimed, "I hardly ever get colds now, and my thrush symptoms have reduced significantly" (Read Review). Additionally, some individuals have experienced benefits in overall health, with one reporting notable improvement in cholesterol and blood pressure along with cold prevention (Read Review). While results can vary from person to person, the consensus is that garlic oil has been a beneficial addition to many users' winter wellness routines.

Based on user reviews, many individuals have found that combining garlic oil with other supplements can enhance their ability to manage cold symptoms effectively. One user reported success taking garlic oil alongside a regimen of various vitamins, stating, "I take it alongside omega, vitamin D, iron, vitamin E, and vitamin A, and it seems to work well together" (Read Review). This sentiment is echoed by others who mentioned that integrating garlic oil into their broader health protocols has led to noticeable benefits, particularly in immune support and preventing the onset of illnesses (Read Review).

Additionally, some users noted the effectiveness of garlic oil as a standalone remedy for colds or as part of a cleansing routine. For instance, a reviewer shared their experience of taking garlic oil capsules frequently and claimed, "we take 2-3 capsules in the evening, and any sign of a cold promptly recedes" (Read Review). While combining supplements can vary in results for each individual, the collective experiences suggest that garlic oil, especially when integrated with other supplements, significantly contributes to bolstering immunity and managing cold symptoms more efficiently.

Based on user reviews, the right dose of garlic for treating colds appears to vary between 1 to 3 capsules, depending on the individual’s needs and the severity of the symptoms. Several users noted that taking 2 to 3 capsules was effective in alleviating the onset of a cold and significantly improving immune response. For instance, one user mentioned taking 1-2 capsules at night, stating that this was sufficient, while another user reported taking 3 capsules three times a day, experiencing noticeable improvements in immunity and a reduction in colds ((Read Review); (Read Review)).

These insights suggest that those looking to use garlic as a preventative measure or treatment for colds should consider starting with 2-3 capsules at the first sign of illness or as a daily immune booster. Many users reported positive outcomes with this dosage, often noting improvements in their overall health and a reduced frequency of colds. The capsules are preferred for their convenience, although some users did mention the potential for garlic-related aftereffects, such as odor or a garlic burp ((Read Review); (Read Review)).

9.5
Rapid relief
I took garlic oil after hearing positive reviews. At the first signs of a cold, I consumed three capsules and everything receded within a day. Two weeks ago, the children brought a virus home, but I gave them vitamin C and took three capsules myself without falling ill. I highly recommend it!
9.5
Prevents illnesses
This garlic oil has been a reliable solution during cold seasons. After years of suffering from respiratory infections, I was surprised when I went a year without illness after starting this. Just 1-2 capsules at night are sufficient, and if I feel a cold coming on, I take 2-3 capsules, and it clears up by the next day.
9.5
Immunity boost
Definitely worth purchasing! My immunity has noticeably improved, and I no longer suffer from colds! I take three capsules three times a day. There's a slight aftertaste, but it pales in comparison to the positive results.
9.5
Strengthens immunity
I take this oil as part of a body cleansing protocol. The capsules are small, easy to swallow, and effectively strengthen my immunity. I hardly ever get colds now, and my thrush symptoms have reduced significantly. Overall, I find the product very effective and will continue to use it.
9.5
Lowers cholesterol effectively
I purchased garlic oil primarily to lower cholesterol. After taking 3 capsules at night, the slightly garlicky smell quickly fades. Over three months, my cholesterol dropped significantly, and I continue using it, as there's more to reduce. Many people rely on garlic to prevent colds, and these capsules are very effective! You won't regret trying it—wishing you good health!
9.5
Strengthens immune system
I bought it this past autumn to strengthen my immune system. I take it alongside omega, vitamin D, iron, vitamin E, and vitamin A, and it seems to work well together. I can’t even recall the last time I had a cold. If you find this review useful, please give it a like—it’s appreciated!
9.5
Irreplaceable during colds
This miracle capsule is irreplaceable during cold seasons here in Russia! As someone who dislikes taking medication, it helps maintain my immune system to avoid illness. We take 2-3 capsules in the evening, and any sign of a cold promptly recedes. Yes, there’s sometimes garlic belching, but it’s a small price to pay for the benefits offered by these amazing capsules.
9.5
Cold symptoms alleviated
As someone who dislikes consuming chemicals, these garlic capsules are a blessing for my family. We take 2-3 capsules in the evening, and they rapidly alleviate the onset of a cold.
9
Efficacy of garlic against colds
We examined the effectiveness of garlic as a treatment to prevent cold symptoms based on a comprehensive review of systematic reviews. This analysis included various studies that compared garlic and other preventative interventions against a control group receiving no treatment or a placebo.

Our findings indicated that garlic demonstrated notable advantages in reducing instances of influenza, a key player in the spectrum of cold-like illnesses. However, we also learned that the evidence surrounding garlic specifically for cold prevention isn't robust enough to make definitive claims.

It's essential to note that while garlic showed potential, vitamin C did not present any significant benefits in this context. Ultimately, the effectiveness of other interventions remains to be convincingly validated with strong scientific evidence.
8
Garlic improves cold-induced circulation
In our exploration of how garlic affects circulation during cold exposure, we investigated the specific sulfur compound, -1-propenylcysteine, found in aged garlic extract (AGE). Our study examined how this compound could help alleviate the reduction in blood flow when rats were exposed to cold water.

We conducted a series of tests using Wistar rats subjected to a cold treatment after being administered AGE or its individual components, including -1-propenylcysteine, -allylcysteine, and -allylmercaptocysteine. The results revealed that both AGE and -1-propenylcysteine effectively improved blood flow in the rats' tails, especially at a certain dose of -1-propenylcysteine.

Notably, we found that the improvement in blood flow could be linked to a boost in certain blood components and enzymes related to blood circulation. These findings suggest that -1-propenylcysteine plays a significant role in enhancing blood flow during cold exposure by activating specific pathways in the body.

Our research indicates that while garlic components, particularly -1-propenylcysteine, have the potential to benefit circulation in cold conditions, larger studies are needed to fully understand the implications for human health.

References

  1. Yuan Y, Wang RT, Xia J, Cao HJ. Interventions for preventing influenza: An overview of Cochrane systematic reviews and a Bayesian network meta-analysis. J Integr Med. 2021;19:503. doi:10.1016/j.joim.2021.09.001
  2. Almehmady AM, Ali SA. Transdermal Film Loaded with Garlic Oil-Acyclovir Nanoemulsion to Overcome Barriers for Its Use in Alleviating Cold Sore Conditions. Pharmaceutics. 2021;13. doi:10.3390/pharmaceutics13050669
  3. Ushijima M, Kunimura K, Suzuki JI. -1-Propenylcysteine, a sulfur compound in aged garlic extract, alleviates cold-induced reduction in peripheral blood flow in rat via activation of the AMPK/eNOS/NO pathway. Exp Ther Med. 2020;20:2815. doi:10.3892/etm.2020.8969
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