Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 23 Reviews
8.9
Supplement Facts
Serving Size: 1 Veg Capsule
Amount Per Serving
%DV
Vitamin C (as Ascorbic Acid)
1 g (1,000 mg)
1111%
Citrus Bioflavonoid Complex
100 mg
Rutin Powder (from Sophora japonica Flower Bud)
25 mg

Top Medical Research Studies

9
Vitamin C alleviates cold sores
We investigated how an ascorbic acid-based solution could help treat recurrent cold sores, also known as mucocutaneous herpes. This study was carefully designed as a randomized, double-blind, placebo-controlled trial, which helps ensure the results are reliable and trustworthy.

Participants used a strong solution of Ascoxal, rich in vitamin C, applied to their cold sores multiple times on the first day of the outbreak. We monitored various symptoms daily, including the severity of scabs, redness, and blisters, comparing the experiences of those using the vitamin C solution to a placebo group.

Our findings were promising: the active treatment resulted in fewer days with scabbing and less severe symptoms overall. Moreover, those using the vitamin C solution showed reduced persistence of scabs compared to the placebo group, along with a lower frequency of detected herpes virus after treatment.

In conclusion, this brief course of vitamin C treatment appears to have significant clinical benefits against cold sores, opening the door for future research on more extensive and frequent treatment regimes.
Read More
8
Vitamin C shows potential for cold sores
We conducted a clinical pilot study to evaluate the effects of a combination treatment of lignin—a substance derived from pine cones—mixed with vitamin C on cold sores caused by the herpes simplex virus type 1 (HSV-1). Our study included 48 healthy participants, ranging from 4 to 61 years old, who had active lesions of HSV-1.

Participants received a daily dose of the lignin-ascorbic acid treatment for one month. Notably, those who began the treatment within the first 48 hours after the onset of symptoms did not develop typical cold sore lesions. For others who started later, we observed a shorter duration of cold sores and less severe symptoms compared to their previous outbreaks.

Many participants reported a reduction in both the severity and frequency of their cold sore episodes during treatment. Although the results suggest some benefits of this combination treatment, it’s important to note that vitamin C was part of the blend, making it challenging to evaluate its individual effect on cold sores directly.

Thus, while the combination of lignin and vitamin C appears promising for preventing and treating HSV-1 infection, further studies isolating vitamin C's effects would be helpful to understand its specific role in managing cold sores.
Read More
8
Potential effects on cold sores
We evaluated the effectiveness of a water-soluble complex combining bioflavonoids and ascorbic acid, which is commonly known as vitamin C, for treating cold sores caused by recurrent herpes labialis. The study involved 50 episodes of cold sores, with patients receiving different dosages of the vitamin C and bioflavonoid combination, while others were given a lactose placebo.

The regimen was followed for three days after participants felt the initial symptoms. We noted that the combination appeared to reduce the formation of blisters and helped maintain the integrity of the vesicular membrane. The best results came when treatment started during the early warning signs of an outbreak, leading to symptom relief in an average of about 4.2 days with the lower dosage.

Importantly, throughout the study, no adverse reactions were reported by participants. Although the combination product shows promise, it was difficult to isolate the specific impact of vitamin C alone due to its synergy with bioflavonoids.
Read More

Most Useful Reviews

9.5
Quick recovery
This helps enormously with colds. I take it at the first signs, and it’s an excellent remedy!
Read More
9.5
Cold symptom relief
This Vitamin C works effectively. At the first sign of illness, I take two tablets, and the symptoms disappear rapidly. Health and happy shopping on iHerb!
Read More
9.5
Enhanced resistance
During autumn and winter, I keep Vitamin C at home. I switched to a trusted 1000mg dosage during COVID-19. It helps mobilise my immune system, easing colds and speeding recovery.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
  • All Researches
9
Vitamin C alleviates cold sores
We investigated how an ascorbic acid-based solution could help treat recurrent cold sores, also known as mucocutaneous herpes. This study was carefully designed as a randomized, double-blind, placebo-controlled trial, which helps ensure the results are reliable and trustworthy.

Participants used a strong solution of Ascoxal, rich in vitamin C, applied to their cold sores multiple times on the first day of the outbreak. We monitored various symptoms daily, including the severity of scabs, redness, and blisters, comparing the experiences of those using the vitamin C solution to a placebo group.

Our findings were promising: the active treatment resulted in fewer days with scabbing and less severe symptoms overall. Moreover, those using the vitamin C solution showed reduced persistence of scabs compared to the placebo group, along with a lower frequency of detected herpes virus after treatment.

In conclusion, this brief course of vitamin C treatment appears to have significant clinical benefits against cold sores, opening the door for future research on more extensive and frequent treatment regimes.
Read More
8
Vitamin C shows potential for cold sores
We conducted a clinical pilot study to evaluate the effects of a combination treatment of lignin—a substance derived from pine cones—mixed with vitamin C on cold sores caused by the herpes simplex virus type 1 (HSV-1). Our study included 48 healthy participants, ranging from 4 to 61 years old, who had active lesions of HSV-1.

Participants received a daily dose of the lignin-ascorbic acid treatment for one month. Notably, those who began the treatment within the first 48 hours after the onset of symptoms did not develop typical cold sore lesions. For others who started later, we observed a shorter duration of cold sores and less severe symptoms compared to their previous outbreaks.

Many participants reported a reduction in both the severity and frequency of their cold sore episodes during treatment. Although the results suggest some benefits of this combination treatment, it’s important to note that vitamin C was part of the blend, making it challenging to evaluate its individual effect on cold sores directly.

Thus, while the combination of lignin and vitamin C appears promising for preventing and treating HSV-1 infection, further studies isolating vitamin C's effects would be helpful to understand its specific role in managing cold sores.
Read More
8
Potential effects on cold sores
We evaluated the effectiveness of a water-soluble complex combining bioflavonoids and ascorbic acid, which is commonly known as vitamin C, for treating cold sores caused by recurrent herpes labialis. The study involved 50 episodes of cold sores, with patients receiving different dosages of the vitamin C and bioflavonoid combination, while others were given a lactose placebo.

The regimen was followed for three days after participants felt the initial symptoms. We noted that the combination appeared to reduce the formation of blisters and helped maintain the integrity of the vesicular membrane. The best results came when treatment started during the early warning signs of an outbreak, leading to symptom relief in an average of about 4.2 days with the lower dosage.

Importantly, throughout the study, no adverse reactions were reported by participants. Although the combination product shows promise, it was difficult to isolate the specific impact of vitamin C alone due to its synergy with bioflavonoids.
Read More

User Reviews

USERS' SCORE
Good
Based on 23 Reviews
8.9
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Quick recovery
This helps enormously with colds. I take it at the first signs, and it’s an excellent remedy!
Read More
9.5
Cold symptom relief
This Vitamin C works effectively. At the first sign of illness, I take two tablets, and the symptoms disappear rapidly. Health and happy shopping on iHerb!
Read More
9.5
Enhanced resistance
During autumn and winter, I keep Vitamin C at home. I switched to a trusted 1000mg dosage during COVID-19. It helps mobilise my immune system, easing colds and speeding recovery.
Read More
9.5
Family protection
Our family takes 500 capsules of Vitamin C for winter. We drink two daily and feel protected from illness. Despite minor symptoms, we never develop full-blown colds—it's incredible!
Read More
9.5
Infection fighter
I take five capsules during a cold multiple times a day, avoiding antibiotics completely. It clears infections, and it's easier to consume than citrus fruits, which I’m allergic to.
Read More

Frequently Asked Questions

Cold sores, also known as fever blisters, are small, fluid-filled blisters that typically appear on or around the lips, although they can also occur in other areas of the face. They are caused by the herpes simplex virus (HSV), primarily HSV-1, and are highly contagious. The initial outbreak may be accompanied by symptoms such as fever, swollen lymph nodes, and a general feeling of malaise. Once infected, the virus remains dormant in the body and can reactivate, leading to recurring outbreaks, often triggered by stress, illness, or exposure to sunlight.

Treatment options for cold sores often focus on alleviating symptoms and speeding up healing. Over-the-counter creams containing antiviral medication like docosanol can help reduce the duration of an outbreak when applied early on. Prescription medications may be recommended for more severe cases. Home remedies, such as applying ice, using aloe vera, or taking lysine supplements, may also offer some relief. Prevention strategies include avoiding known triggers and practicing good hygiene, like not sharing utensils or personal items with infected individuals.

Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that plays a critical role in numerous bodily functions. As an essential nutrient, it contributes to the growth and repair of tissues in the body, and it is vital for the production of collagen, an important protein that helps maintain skin, cartilage, tendons, ligaments, and blood vessels. Additionally, Vitamin C acts as a powerful antioxidant, which means it helps combat free radicals—unstable molecules that can cause oxidative stress and contribute to various chronic diseases.

Moreover, Vitamin C enhances iron absorption from plant-based foods, making it a vital component for those following vegetarian or vegan diets. While many people get sufficient Vitamin C from a well-balanced diet that includes fruits and vegetables like oranges, strawberries, kiwi, broccoli, and bell peppers, some individuals might require supplementation. It's generally recommended to stay within the daily intake guidelines, as excessive consumption can lead to gastrointestinal disturbances. Overall, Vitamin C is not just a skincare celebrity—it's a fundamental part of maintaining overall health and well-being.

Vitamin C is often touted for its immune-boosting properties, but when it comes to treating cold sores, the evidence is nuanced. Cold sores, caused by the herpes simplex virus, typically require antiviral treatments for effective relief. However, some studies suggest that Vitamin C, due to its antioxidant properties, may play a supportive role in skin health and wound healing, which could theoretically help with the healing process of cold sores. While maintaining a healthy intake of Vitamin C can support overall immune function, it's not a stand-alone treatment for active outbreaks.

For those looking to alleviate cold sores, over-the-counter antiviral creams or prescription medications are generally recommended. Incorporating Vitamin C-rich foods into your diet or taking supplements might help strengthen your immune responses in the long run, but it's best to consult a healthcare professional for targeted strategies tailored to your situation. Ultimately, while Vitamin C has beneficial properties, it's essential to rely on proven treatments for cold sores for the most effective relief.

Based on user reviews, many individuals report experiencing results from taking Vitamin C for cold sores fairly quickly, often within a day or two. For instance, one user noted that after taking just one capsule, they felt better immediately (Read Review). Another review highlighted that consistent dosing can lead to the alleviation of symptoms, stating that higher doses helped treat cold sores overnight (Read Review).

Users emphasize the importance of taking the supplement at the first signs of illness. For example, one reviewer suggests taking high doses every hour during an outbreak, mentioning that they usually see improvements in just two days (Read Review). Overall, the consensus among users indicates that early intervention with Vitamin C can significantly reduce the duration and severity of cold sores, often providing relief in a short timeframe.

The available scientific research suggests that certain combinations involving vitamin C show potential benefits in treating cold sores caused by the herpes simplex virus. In a pilot study, a combination treatment of lignin and vitamin C demonstrated promising results, with participants experiencing reduced severity and frequency of outbreaks, especially when treatment began early after symptom onset [1]. Furthermore, another trial focusing solely on a vitamin C-rich topical solution revealed significant clinical benefits, including fewer days with scabbing and milder overall symptoms compared to a placebo group [2]. This suggests that vitamin C may play a beneficial role in managing cold sores.

Moreover, another study evaluated a water-soluble vitamin C and bioflavonoid complex, which also indicated effectiveness in reducing symptoms when treatment began early [3]. While these findings are encouraging, it's important to note that isolating vitamin C's individual effects remains a challenge, as many studies also involve other compounds that might contribute to the observed benefits. Overall, vitamin C appears to be a promising component in the management of cold sores, but additional focused research is needed to better understand its specific role.

Based on user reviews, many individuals report a notable improvement in symptoms when using Vitamin C, particularly for colds and cold sores. Users frequently mention that taking the supplement at the first signs of illness leads to rapid relief. For example, one user observed that their symptoms disappeared rapidly after taking two tablets (Read Review). Another user confirms that within just a few days of taking high doses, they experienced a significant reduction in pain from mouth sores, indicating how effective early intervention can be (Read Review).

There are also reports of users experiencing fewer overall colds since incorporating Vitamin C into their routine. For instance, one reviewer noted that after childbirth, they struggled with frequent illnesses, but felt their recovery was quicker and less severe after starting a 1000mg dosage (Read Review). However, it's important to note that individual results can vary; some users found that, despite their hopes, the product did not lead to any improvements in their health (Read Review). Overall, the consensus is that Vitamin C can provide effective support against colds and improve symptom management when taken proactively.

Based on user reviews, many individuals report positive experiences when combining Vitamin C with other supplements like zinc and vitamin D for managing cold sores. Users have noted that taking vitamin C alongside these additional supplements can improve recovery times and lessen symptoms. For instance, one reviewer shared that taking vitamin C with vitamin D and zinc helped keep their cold manageable, reducing its duration significantly (Read Review). Another user mentioned that pairing vitamin C with zinc not only alleviated symptoms but also helped them avoid side effects during the cold season (Read Review).

Moreover, users reported enhanced effectiveness in managing cold sores when combining vitamin C with these supplements. One user expressed amazement at how multivitamin intake—particularly increased vitamin C—had cured their cold sores overnight (Read Review). Echoing this sentiment, another individual asserted that consistent vitamin C intake, along with other supplements, had not only prevented cold sores but also provided overall health benefits, leading them to maintain a regular regimen (Read Review). Overall, users report that a combination approach effectively supports their immune systems and helps in the rapid treatment of both colds and cold sores.

When it comes to treating cold sores, vitamin C can indeed play a beneficial role, though the optimal dosing can vary depending on the formulation and the timing of administration. A study highlighted that a strong vitamin C solution was applied multiple times on the first day of the outbreak, resulting in fewer days with scabbing and overall milder symptoms compared to a placebo group [2]. This suggests that starting treatment as soon as you feel an outbreak coming on can maximize vitamin C's efficacy.

Additionally, another investigation found that administering a combination of vitamin C and bioflavonoids promptly after the early signs of a cold sore outbreak led to symptom relief in approximately 4.2 days [3]. While these studies indicate promising outcomes for vitamin C in treating cold sores, it is essential to note that further research isolating vitamin C's effects would be helpful in determining the most effective dosage. Overall, it appears that initiating treatment with a sufficiently concentrated vitamin C formulation at the onset of symptoms could yield positive results.

9.5
Quick cold relief
After taking one capsule for a cold, I felt better immediately.
9.5
Herpes relief
I take 2g of Vitamin C daily, planning to increase it to 3g for winter. It has prevented colds and significantly helped with cold sores, curing them overnight. I was amazed!
9.5
Pain relief
When I have gums or mouth sores, I take high doses every hour. Within two days, the pain is gone. I’ve been taking seven capsules daily for years, and I rarely get sick.
9.5
Cold symptom relief
This Vitamin C works effectively. At the first sign of illness, I take two tablets, and the symptoms disappear rapidly. Health and happy shopping on iHerb!
9.5
Cold sore prevention
Since taking the full can of vitamin C-1000 mg, I’ve noticed fewer colds. After childbirth, I struggled with frequent illnesses, but now I feel fine. Even when I do get ill, recovery is quicker and less severe.
3.5
No effect noted
I love vitamin C and usually rely on it during colds. Unfortunately, this time there was no improvement in health. Despite taking a large package for the family, no one experienced results. It's disappointing... The size of the capsules is normal. Quality? Be healthy 🙂 and beautiful 😍 I'm happy with it overall 👍, for an honest review.
8.3
Cold disappears quickly
I received my parcel just as I was catching a cold. By taking this vitamin C (4 to 6g daily) along with vitamin D and zinc, my cold lasted only four days and remained manageable. This vitamin C seems very effective!
9.5
Cold cure
Excellent for cold season. When I feel unwell, I take vitamin C and zinc, which helps alleviate symptoms or hasten recovery. I take it every other day and have noticed no side effects.
8.8
Immunity booster
I’ve been taking this for over five years to boost my immunity. When I sense a cold coming or suffer from cold sores, I take it twice daily, morning and evening. It's a reliable product that helps maintain my health.
8
Vitamin C shows potential for cold sores
We conducted a clinical pilot study to evaluate the effects of a combination treatment of lignin—a substance derived from pine cones—mixed with vitamin C on cold sores caused by the herpes simplex virus type 1 (HSV-1). Our study included 48 healthy participants, ranging from 4 to 61 years old, who had active lesions of HSV-1.

Participants received a daily dose of the lignin-ascorbic acid treatment for one month. Notably, those who began the treatment within the first 48 hours after the onset of symptoms did not develop typical cold sore lesions. For others who started later, we observed a shorter duration of cold sores and less severe symptoms compared to their previous outbreaks.

Many participants reported a reduction in both the severity and frequency of their cold sore episodes during treatment. Although the results suggest some benefits of this combination treatment, it’s important to note that vitamin C was part of the blend, making it challenging to evaluate its individual effect on cold sores directly.

Thus, while the combination of lignin and vitamin C appears promising for preventing and treating HSV-1 infection, further studies isolating vitamin C's effects would be helpful to understand its specific role in managing cold sores.
9
Vitamin C alleviates cold sores
We investigated how an ascorbic acid-based solution could help treat recurrent cold sores, also known as mucocutaneous herpes. This study was carefully designed as a randomized, double-blind, placebo-controlled trial, which helps ensure the results are reliable and trustworthy.

Participants used a strong solution of Ascoxal, rich in vitamin C, applied to their cold sores multiple times on the first day of the outbreak. We monitored various symptoms daily, including the severity of scabs, redness, and blisters, comparing the experiences of those using the vitamin C solution to a placebo group.

Our findings were promising: the active treatment resulted in fewer days with scabbing and less severe symptoms overall. Moreover, those using the vitamin C solution showed reduced persistence of scabs compared to the placebo group, along with a lower frequency of detected herpes virus after treatment.

In conclusion, this brief course of vitamin C treatment appears to have significant clinical benefits against cold sores, opening the door for future research on more extensive and frequent treatment regimes.
8
Potential effects on cold sores
We evaluated the effectiveness of a water-soluble complex combining bioflavonoids and ascorbic acid, which is commonly known as vitamin C, for treating cold sores caused by recurrent herpes labialis. The study involved 50 episodes of cold sores, with patients receiving different dosages of the vitamin C and bioflavonoid combination, while others were given a lactose placebo.

The regimen was followed for three days after participants felt the initial symptoms. We noted that the combination appeared to reduce the formation of blisters and helped maintain the integrity of the vesicular membrane. The best results came when treatment started during the early warning signs of an outbreak, leading to symptom relief in an average of about 4.2 days with the lower dosage.

Importantly, throughout the study, no adverse reactions were reported by participants. Although the combination product shows promise, it was difficult to isolate the specific impact of vitamin C alone due to its synergy with bioflavonoids.

References

  1. Lopez BS, Yamamoto M, Utsumi K, Aratsu C, Sakagami H. A clinical pilot study of lignin--ascorbic acid combination treatment of herpes simplex virus. In Vivo. 2009;23:1011.
  2. Hovi T, Hirvimies A, Stenvik M, Vuola E, Pippuri R. Topical treatment of recurrent mucocutaneous herpes with ascorbic acid-containing solution. Antiviral Res. 1995;27:263.
  3. Terezhalmy GT, Bottomley WK, Pelleu GB. The use of water-soluble bioflavonoid-ascorbic acid complex in the treatment of recurrent herpes labialis. Oral Surg Oral Med Oral Pathol. 1978;45:56.
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