#ColdReliefVitamin
`Trusted by Real Users
Nectapharma Imuvatec`
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20 Jan 2026 | 23:44
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15 Jan 2026 | 17:08
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15 Jan 2026 | 06:44
`Imuvatec Immune Support Supplement Clinically Proven`
Clinical studies have shown that taking 10 billion LactShield™ Postbiotics daily—the amount provided in one capsule of Imuvatec—for 12 consecutive weeks helped reduce the incidence of common colds by 20.8%, lessen cold symptoms by 27%, and shorten recovery time by 26% compared with those who did not take it. In addition, participants reported feeling less fatigued, more energetic, and more active during periods of illness. [1], [2]
Comprehensive Immune Support with Postbiotics
Taking care of your health should not begin only when you are sick. It should be part of your daily routine. That is why Nectapharma selected LactShield™ Postbiotic, an immune-supporting postbiotic that provides more comprehensive cold support than conventional immune supplements. Clinical studies have shown that it helps reduce the risk of catching a cold, something that Vitamin C alone cannot do.
Japanese Postbiotic Innovation for Immune Support
Lactobacillus paracasei MCC1849 is a proprietary postbiotic strain from Japan that has been extensively studied in clinical research. It has demonstrated superior immune-supporting benefits compared with many other strains, making it an ideal ingredient for immune health supplements.
Mechanism of Action of Immune-Supporting Postbiotics
At the cellular level, LactShield™ Postbiotic helps support immune function by stimulating the production of Interleukin-12 (IL-12), which promotes the activity of Natural Killer (NK) cells. As part of the body’s innate immune system, NK cells help enhance the body’s ability to defend against pathogens more effectively.
Immune Support Backed by Clinical Research in Individuals with Weakened Immunity
Clinical studies have shown that individuals who experienced at least one cold per year and consumed 10 billion postbiotics daily for 12 weeks had a 20.8% lower risk of catching a cold. In addition, they experienced milder symptoms and a shorter duration of illness compared with those who did not take postbiotics. [1]
Enhanced with Vitamins and Minerals for Comprehensive Immune Support
Vitamin and mineral deficiencies can have a greater impact on health than many people realize. These nutrients play essential roles in supporting a healthy immune system and helping it function properly. That is why Nectapharma carefully selected key vitamins and minerals for Imuvatec, providing comprehensive immune support to help strengthen the body’s natural defenses.
Vitamin C for Immune Support
- Many Thai people consume fewer fruits and vegetables than recommended, which may increase the risk of inadequate Vitamin C intake. Insufficient Vitamin C can impair white blood cell function, making it more difficult for the body to fight off pathogens. This is why Vitamin C supplementation plays an important role in supporting immune health. [3]
- Research has shown that taking more than 200 mg of Vitamin C per day for at least two weeks may help reduce the severity of cold symptoms and support faster recovery from the common cold. [4]
Vitamin D for Immune Support
- A national survey of the Thai population found that up to 31% of individuals are deficient in Vitamin D. Vitamin D deficiency may contribute to increased inflammation and a higher susceptibility to infections. [5]
- Clinical studies have shown that Vitamin D supplementation in individuals with low blood Vitamin D levels may reduce the risk of respiratory tract infections by up to 70%. [6]
Zinc for Immune Support
- Zinc deficiency is considered a moderate public health concern in Thailand. Inadequate zinc intake can impair communication between immune cells, leading to reduced immune function. [7]
- Clinical studies in individuals with the common cold have shown that zinc supplementation may support faster recovery compared with those who did not receive zinc. [8]
Who Should Consider Taking Imuvatec?
Imuvatec is an immune support supplement formulated with LactShield™ Postbiotic, a clinically studied postbiotic shown to support immune health and help reduce the risk of common colds by enhancing the body’s natural immune response at the cellular level. Combined with Vitamin C, Vitamin D3, and Zinc, it provides comprehensive immune support for individuals with weakened immunity or those who frequently get sick.
Individuals Who Are Sleep-Deprived or Frequently Get Too Little Sleep
Imuvatec is suitable for individuals who are sleep-deprived or regularly get insufficient sleep, as even a single night of inadequate sleep can significantly impair immune function. [9]
Individuals Experiencing High Stress or Heavy Workloads
Chronic stress can disrupt immune function and affect the body’s natural immune balance. Imuvatec may help support a healthy immune system and is a suitable option for individuals experiencing ongoing stress or heavy workloads. [10]
Individuals Who Do Not Exercise Regularly
A lack of regular physical activity can negatively affect immune function. Imuvatec helps support a healthy immune system and may be beneficial for individuals who do not exercise regularly. [11]
Individuals with Inadequate Dietary Intake
`Full Ingredient List of Imuvatec`
Key Ingredients Per Tablet
| Lac-Shield™ Postbiotic Heat-killed Lactobacillus paracasei MCC1849 | 20 mg |
| Calcium Ascorbate Dihydrate 97% |
1247.79 mg |
| Zinc Bisglycinate Chelate 29% |
34.48 mg |
| Vitamin D3 100,000 IU/g |
6 mg |
Contains soy-derived ingredients.
Take 1 capsule daily after meals.
30 Capsules per Bottle
`Frequently Asked Questions
About Imuvatec Immune Support Supplement`
A: In addition to Vitamin C, Imuvatec contains postbiotics that have been shown to help reduce the risk of catching a cold—something Vitamin C alone cannot do. It also includes Zinc and Vitamin D3, which help support and optimize immune function.
A: No. Imuvatec cannot replace cold medicine. Cold medicine is used to relieve symptoms after a cold has already developed, while Imuvatec is designed to help reduce the risk of catching a cold. If you do get sick, it may help lessen symptom severity and support faster recovery, but it is not a primary treatment for colds.
A: Imuvatec is suitable for individuals who frequently catch colds or get sick easily, as well as those who are sleep-deprived, stressed, overworked, physically inactive, or have an unbalanced diet.
A: Additional Vitamin C supplementation is not recommended, as Imuvatec already provides the maximum amount permitted by the Thai FDA. If you wish to take more than 1,000 mg of Vitamin C per day, please consult your healthcare professional before use.
A: Imuvatec is not recommended for individuals with thalassemia, G6PD deficiency, kidney stones, or kidney disease.
References
1
Murata, M., Kondo, J., Iwabuchi, N., Takahashi, S., Yamauchi, K., Abe, F., & Miura, K. (2018). Effects of paraprobiotic Lactobacillus paracasei MCC1849 supplementation on symptoms of the common cold and mood states in healthy adults. Beneficial Microbes, 9(6), 855–864. https://doi.org/10.3920/bm2017.0197
2
Sato, S., Arai, S., Iwabuchi, N., Tanaka, M., Hase, R., & Sakane, N. (2023). Effects of Heat-Killed Lacticaseibacillus paracasei MCC1849 on the Maintenance of Physical Condition in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study. Nutrients, 15(15), 3450. https://doi.org/10.3390/nu15153450
3
Carr, A. C., & Maggini, S. (2017). Vitamin C and Immune Function. Nutrients, 9(11), 1211. https://doi.org/10.3390/nu9111211
4
Hemilä, H., & Chalker, E. (2013). Vitamin C for preventing and treating the common cold. The Cochrane database of systematic reviews, 2013(1), CD000980. https://doi.org/10.1002/14651858.CD000980.pub4
5
Chailurkit, L. O., Ongphiphadhanakul, B., & Aekplakorn, W. (2023). Update on vitamin D status in sunshine-abundant Thailand, 2019-2020. Nutrition (Burbank, Los Angeles County, Calif.), 116, 112161. https://doi.org/10.1016/j.nut.2023.112161
6
Martineau, A. R., Jolliffe, D. A., Hooper, R. L., Greenberg, L., Aloia, J. F., Bergman, P., Dubnov-Raz, G., Esposito, S., Ganmaa, D., Ginde, A. A., Goodall, E. C., Grant, C. C., Griffiths, C. J., Janssens, W., Laaksi, I., Manaseki-Holland, S., Mauger, D., Murdoch, D. R., Neale, R., & Rees, J. R. (2017). Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data. BMJ, 356, i6583. https://doi.org/10.1136/bmj.i6583
7
Shankar, A. H., & Prasad, A. S. (1998). Zinc and immune function: the biological basis of altered resistance to infection. The American journal of clinical nutrition, 68(2 Suppl), 447S–463S. https://doi.org/10.1093/ajcn/68.2.447S
8
Science, M., Johnstone, J., Roth, D. E., Guyatt, G., & Loeb, M. (2012). Zinc for the treatment of the common cold: a systematic review and meta-analysis of randomized controlled trials. CMAJ : Canadian Medical Association journal = journal de l’Association medicale canadienne, 184(10), E551–E561. https://doi.org/10.1503/cmaj.111990
9
Irwin, M., McClintick, J., Costlow, C., Fortner, M., White, J., & Gillin, J. C. (1996). Partial night sleep deprivation reduces natural killer and cellular immune responses in humans. FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 10(5), 643–653. https://doi.org/10.1096/fasebj.10.5.8621064
10
Balcerowska, M., Kwaśnik, P. The multifaceted impact of stress on immune function. Mol Biol Rep 52, 1008 (2025). https://doi.org/10.1007/s11033-025-11134-6
11
Forte, P., Branquinho, L., & Ferraz, R. (2022). The Relationships between Physical Activity, Exercise, and Sport on the Immune System. International journal of environmental research and public health, 19(11), 6777. https://doi.org/10.3390/ijerph19116777
`The Nectapharma
Product Philosophy`
Research-Backed
Trademarked Ingredients, Strict Manufacturing Standards, Clinically Proven Results, Safe, Transparent, Trusted by Doctors and Pharmacists.
Thoughtfully Formulated
All of our products are developed by a highly experienced team of pharmacists, and formulated based on multiple scientific studies. Every claim is supported by scientific research.
Trusted Quality
Every formula is carefully developed to ensure that each ingredient works together effectively, providing targeted support while addressing the root causes of the problem.