Our research showed that this manufacturer has created a product born from science and clinical data. We found that this was the only product to contain the exact vitamins, minerals, and herbs that have been clinically proven to reduce painful cold sore symptoms, help the body recover quickly and boost the immune system to help prevent future outbreaks. Moreover, it includes BioPerine® for enhanced bioavailability and faster results. Dosage is based on clinical studies which suggests that these guys are serious about what they do. We liked that it offers a 60-day money-back guarantee if you are not happy with the results.
Why do we recommend Zosterex-C?
Main Benefits:
- It contains 1000 mg of L-lysine, an amino acid that is clinically associated with helping to combat and reduce the frequency of cold sore outbreaks.
- It contains Enzy-Sci™, a Proteolytic Enzyme Complex (containing Papain, Bromelain, Amylase, Protease, Lipase and Cellulase) which acts as an anti-inflammatory and helps relieve pain.
- It contains calming herb Lemon Balm as well as Vitamin C for a soothing effect and lowering stress levels, because stress can trigger cold sores.
- It contains Vitamin D and B-Sci™ – a unique Vitamin B Complex containing all 8 B vitamins to support immunity and recovery during outbreaks.
- It contains Zinc to help reduce the severity and duration of outbreaks, and support healthy skin repair.
- It contains Fungi-Sci™, a unique proprietary blend of adaptogenic mushrooms (including Reishi, Maitake, Shiitake, and Cordyceps) to help boost the immune system.
- It contains Oregano standardized to contain 30% Carvacrol, a key active ingredient shown in studies to inactivate HSV-1.
- It contains BioPerine® which is a patented form of Piperine that has been proven to increase bioavailability, for a more effective product.
- It does not contain any preservatives, artificial colorings, hormones, or unnecessary ingredients that may dilute the efficacy of the product.
- We found so many supportive consumer reviews from users who had experienced excellent results.
- Its daily suggested serving is the optimal potency as recommended by doctors for effectiveness and is supported by extensive clinical research trials and studies.
- This manufacturer’s customer service is second to none, it provides excellent support and help. Furthermore, it offers an excellent money-back guarantee if customers are not happy with their results.
This unique formula was the only one that we could find that was backed by solid clinical data and included this specific blend of ingredients in their potent doses.
Performance
Cold sores are more than a minor nuisance. They appear suddenly, linger stubbornly, and often return when your immune system is under pressure. The pain and visibility can make even simple things like talking or eating uncomfortable. While topical creams may ease irritation, they rarely prevent future flare-ups because they don’t address the underlying viral activity.
Research now shows that targeted nutritional support can make a real difference. Certain vitamins, amino acids, and botanical extracts have been studied for their ability to strengthen the body’s defenses against HSV-1 and promote faster, healthier recovery.
A truly effective cold sore supplement needs to take a multifaceted approach. It should contain pure, natural ingredients that address both the symptoms and the viral activity behind them. Anything less may lead to only temporary relief.
One key ingredient is L-lysine, a must-have for resolving outbreaks and helping the body recover more quickly. Zosterex-C delivers a generous 1000 mg of L-lysine per serving, which is an excellent foundation.
Equally important are B-vitamins, which support immune balance and overall recovery. Zosterex-C includes B-Sci™, a full-spectrum B-vitamin complex featuring B1 (Thiamine), B2 (Riboflavin), B3 (Niacinamide), B5 (Calcium Pantothenate), B6 (Pyridoxine), B9 (Folic Acid), B12 (Cyanocobalamin), and Biotin.
Since stress and anxiety can trigger cold sores, Zosterex-C also includes Lemon Balm and Vitamin C, both known for supporting the body’s natural stress response and immune function.
A strong immune system is essential for keeping cold sores at bay. Fungi-Sci™ Mushroom Complex, Astragalus, and Zinc work together to help maintain robust immune defenses.
Finally, Enzy-Sci™, a unique proteolytic enzyme complex combined with Oregano (standardized to 30% Carvacrol), helps ease pain, reduce inflammation, and support recovery.
Altogether, Zosterex-C combines research-backed ingredients that target the underlying viral activity, soothe discomfort, and strengthen immune defenses to help prevent future flare-ups. It’s also made by a company that bases ingredient dosages on clinical research and stands behind its products with a money-back guarantee—handled by real people, not bots.
In summary: Zosterex-C uses top-quality natural ingredients, delivers impressive results, offers responsive customer support, and comes at a great price. From what we’ve seen, it’s an excellent product through and through.
Quality Assurance
We were very happy to discover that Approved Science Zosterex-C is manufactured in an FDA registered facility. What’s more, it is cGMP recognized and complies with the U.S. Pharmacopeia’s standards for quality and purity. This suggests that this company takes what it does very seriously, and strives to keep its products safe, natural, and effective – a mentality that we totally appreciate.
Value
Approved Science Zosterex-C comes at an affordable price with some excellent multiple purchase deals, allowing for huge cost savings. Orders are shipped within 24 hours, with the exclusion of any orders placed on weekends and holidays. They are wrapped and sent in discreet packaging, with no identifying marks on the outside. Furthermore, this company provides a 60-day risk-free money-back guarantee. If you are not 100% happy with the results, you are able to return the product and receive a full refund. That shows strong confidence in its product and we totally support that kind of guarantee.
In Conclusion
When people look for a good cold sore product, they often focus only on the surface of the problem rather than addressing its source. Cold sores are caused by the HSV-1 virus, which lies dormant in the body and reactivates under certain conditions. This is why applying a cream or balm may ease surface irritation, but the relief is temporary. It does not target the internal viral activity that triggers outbreaks or help strengthen the body’s defenses for long-term prevention.
Zosterex-C specifically contains the optimal blend of ingredients which are clinically proven to help alleviate cold sore symptoms while preventing future outbreaks. These include:
- 1000 mg of L-lysine, an amino acid that is clinically associated with helping to combat cold sores.
- Enzy-Sci™, a Proteolytic Enzyme Complex (containing Papain, Bromelain, Amylase, Protease, Lipase and Cellulase) which acts as an anti-inflammatory and helps relieve pain.
- Lemon Balm as well as Vitamin C for a soothing effect and lowering stress levels.
- It contains Vitamin D and B-Sci™ – a unique Vitamin B Complex containing all 8 B vitamins to support immunity and recovery during outbreaks.
- Zinc to stop the virus from spreading further and prevent recurrence.
- Fungi-Sci™, a unique proprietary blend of adaptogenic fungi (including Reishi, Maitake, Shiitake, and Cordyceps mushrooms) to help boost the immune system.
- Oregano standardized to contain 30% Carvacrol, a key active ingredient shown to support the body in destroying the virus.
- BioPerine® which is a patented form of Piperine that has been proven to increase bioavailability, for a more effective product.
Additionally, there are other significant elements to bear in mind, such as third-party testing and comprehensive customer reviews that give us a great indication of how the product really works.
Of all the products that we reviewed, across all parameters, none compared to Zosterex-C. If you are looking for a top-quality formula backed by research and scientific data that is an effective, long-term solution to relieving cold sores, you would be hard pushed to find anything better than Zosterex-C.
Approved Science Zosterex-C
Olympian Labs Herp-Eeze
Clear Cold Sores, Shingles & UTI’s
Ideal Wellness The Defender
Contains 1000 mg L-lysine
✓
x
x
✓
Contains Full Spectrum B-Vitamins
✓
x
x
x
Contains Proteolytic Enzymes
✓
x
x
x
Contains Zinc, Astragalus & Lemon Balm
✓
x
x
x
Contains Adaptogenic Mushrooms
✓
x
x
x
Contains BioPerine®
✓
x
x
x
Third-party tested for purity
✓
✓
x
x
60-Day Money-Back Guarantee
✓
x
x
x
FAQs about Zosterex-C:
How does Zosterex-C by Approved Science work?
The key lies in the ingredients contained within this formula – they haven’t simply been plucked from thin air so that they have a list of ingredients that looks good on the label! Each ingredient in this product is supported by clinical research and has a reason to be there! Its unique formula is based on clinical studies that have shown huge promise in the battle against cold sores. By including a multifaceted approach using key ingredients to target cold sores at the source, it works to relieve pain, reduce inflammation and boost the immune system. It has included effective ingredients such as L-lysine, Zinc, B-vitamins, Proteolytic Enzymes, Oregano (standardized to contain 30% Carvacrol), adaptogenic mushrooms and Lemon Balm in a highly effective dose to ensure optimal effects for eliminating cold sores.
What’s more, this product includes BioPerine® for enhanced absorption of the key ingredients to see faster results. This unique formula works to relieve pain, aid the body for fast recovery, boost the immune system and ensure cold sores don’t recur.
Do all cold sore products work in a similar way?
Not all cold sore products work the same way. Most topical creams focus on relieving pain, itching, and dryness, but they don’t address the virus that causes outbreaks, so flare-ups often return. Oral supplements, on the other hand, aim to support the body from within by strengthening immune defenses and balancing factors that can trigger cold sores, such as stress and nutrient deficiencies. The most effective products usually combine antiviral, immune-supporting, and soothing ingredients to both ease symptoms and reduce the likelihood of future outbreaks.
What should I look for in an effective cold sores formula?
- It should contain clinically-proven L-lysine.
- It should contain a full spectrum of B-Vitamins to help with nerve damage.
- It should contain ingredients which are clinically proven to inhibit cold sores including: Zinc, Proteolytic Enzymes, Oregano (with 30% carvacrol), Astragalus, and Vitamin D.
- It should contain adaptogenic mushrooms (Reishi, Shiitake, Cordyceps and Maitake) to boost the immune system.
- It should contain calming ingredients, such as Lemon Balm and Vitamin C, to relieve stress and anxiety which can exacerbate cold sores.
- It should contain BioPerine® proven to increase bioavailability of key ingredients so that results are felt faster and more effectively.
- It must be 100% pure, natural and with no unnecessary ingredients that could reduce the effectiveness of the product.
- It should be formulated using the same potency as found effective in clinical studies.
Are there any side effects noted when using this product?
Our research did not uncover any negative side effects when using this product. That said, as with any supplement, we always recommend consulting with a doctor, especially if you are pregnant or breastfeeding, have an existing medical condition, or are taking any other medication.
What are the dosage instructions for Zosterex-C?
The manufacturers of this product suggest taking 2 capsules per day before meals and with a glass of water. As with any supplement, always follow the recommended dosage instructions and do not exceed them as this poses health risks.
How long before I can see any results?
Results will vary for each person. For some, they will see changes almost immediately, for others it may take longer. It is different for each person. Other factors that affect results can include age, diet, and lifestyle so it is hard to say exactly. What you should look out for are those companies who offer a satisfaction guarantee. This suggests that they are confident that their products will deliver the desired results. And after all, if you don’t get the results you were hoping for you can always return the product. Zosterex-C offers a great money-back guarantee.
What price should I expect to pay?
The cost varies based on the number of bottles you order. While a single bottle costs $49.95, if you order a 6-month supply, you can purchase the product for under $25 for each month’s supply. You never have to worry about being subscribed or charged without your knowledge and you’re protected by the Approved Science 60-day 100% money-back guarantee so there’s nothing to lose by buying in bulk.
Which cold sores prevention supplement should I buy?
As each person’s experience of a product is different, it is difficult to say specifically which one is the best. That said, based on several factors, we did like Zosterex-C. We found that from 50+ products that we looked at, Zosterex-C had the best quality of ingredients, potency and strength, positive consumer feedback and the manufacturer’s customer service was excellent.
How safe is it to order over the internet?
Approved Science Zosterex-C is safe to be ordered over the internet. The manufacturer utilizes the latest encryption software to protect your credit card information and does not engage in shady schemes such as ‘automatic billing’ programs like many other companies do. They also deliver very efficiently and quickly, using discreet packaging.
Why should I choose Zosterex-C?
There are several reasons why we liked this product including purity of ingredients, customer service, satisfaction, and effectiveness. Its formula is backed by clinical studies and we feel it values consumers’ health above and beyond the profit margins.
This is a great product that you can depend on. It has a well-researched formula with the right ingredients in the correct potency. We will summarize the key benefits one more time:
- It contains clinically-proven L-lysine.
- It contains a full spectrum of B-Vitamins to help with nerve damage.
- It contains ingredients which are clinically proven to inhibit cold sores including: Zinc, Proteolytic Enzymes, Oregano (with 30% carvacrol), Astragalus, and Vitamin D.
- It contains specialized mushrooms (Reishi, Shiitake, Cordyceps and more) to boost the immune system.
- It contains calming ingredients, such as Lemon Balm and Vitamin C, to relieve stress and anxiety.
- It contains BioPerine® proven to increase bioavailability.
- Its formula provides a potent dose of clinically proven ingredients to target the virus behind cold sores as well as soothe challenging symptoms.
- It is made in a cGMP-certified facility in the USA.
- Its products comply with the standards for quality and purity outlined by the U.S. Pharmacopeia
- This product is well priced and falls below average when compared to other similar products. The manufacturer of Zosterex-C also provides some great discounts for multiple purchases, which can save consumers a lot of money.
- Our research showed that the company is trustworthy, reliable, transparent and has integrity and a great reputation in the industry.
- Zosterex-C is also backed by a 60-day money-back guarantee which can be utilized when buying from an authorized seller. This shows that the manufacturer has strong confidence in his products.
The Bottom Line
We like Zosterex-C because we feel that Approved Science is different. It is in it for the long haul. It has researched its ingredients well and produced its formula using only pure natural ingredients with a lot of clinical data to back them up. Zosterex-C is what more companies should offer – an effective, affordable product supported by a real concern for the health of their customers. As an added bonus, Zosterex-C has many happy testimonials to support our belief that this is a great product and a great company.
