Shield - Complete Immune Resilience System
Shield - Complete Immune Resilience System
Product Reviews
4.864406779 / 5.0
(59) 59 total reviews
- ✓ Designed for adaptive immune response.
- ✓ Strengthens immune vigilance while reducing overactivity.
- ✓ Crafted with clinically-proven ingredients for immune balance.
SHIELD – The Immune System's Daily Armor
SHIELD is specifically designed to support your immune system’s ability to be ready, adaptable, and reactive without over-activating. It strikes the balance needed for day-to-day vigilance against pathogens, toxins, and stressors while reducing the chances of unnecessary inflammation or immune system overdrive.
SHIELD strengthens your immune defense every day, helping your body maintain a balanced, reactive immune system.
Your body doesn't need an overwhelming immune response—it needs a smart, adaptable system that can handle daily stressors and environmental challenges without overreacting. SHIELD provides this by fortifying the body’s immune defense at the cellular level, enhancing natural processes of repair and recovery.
With SHIELD, you’re not just reacting to the world around you—you're preparing your body to stay resilient through anything.
❤️ Do you know anyone that can benefit?
In stock

Your immune system isn't failing. It's being slowly, silently drained.
It’s not one big thing. It’s the accumulated weight of stress, the constant hum of travel, the invisible load of environmental toxins, and the relentless grind of poor sleep. They don’t trigger a dramatic crash—they quietly steal your resilience, day after day.
You feel it. The cold that lingers for an extra week. The afternoon energy slump that coffee can't fix. That vague sense of being "run down" for no apparent reason.
Most supplements see this and throw a fistful of isolated ingredients at the problem. Vitamin C here, a zinc lozenge there. You end up with a costly experiment in advanced urine production—and no real protection to show for it.
The Modern Immune Problem: It’s Not a Deficiency, It’s a Drain
Your body isn't a simple machine missing one bolt. It's a complex, living system under constant, low-grade assault. The symptoms are unmistakable:
- Slower recovery: That bug your partner shook off in two days takes you a full week.
- Persistent energy drain: You wake up tired, your brain feels foggy, and you're dragging yourself to the finish line.
- Sluggish response: Your body feels slow to react, like a security system with a dead battery.
Throwing single-nutrient "magic bullets" at this problem is like trying to fix a car with a leaking fuel line and a dying battery by only adding more windshield washer fluid. It misses the point entirely. You don't need more fragments. You need a foundational protocol, a resilient, self-sustaining system designed for the real world.
The "Expensive Urine" Trap: Why Most Supplements Fail You
You’ve been down this road. You see a promising bottle, you buy it, you take it for a few weeks, and... nothing. You’re left feeling skeptical and a little bit foolish.
Here’s the hard truth about why they fail. They are engineered for the label, not for your biology.
They cram in a long list of trendy ingredients. On the label, it’s a feast. In the dose, it’s a sprinkle that barely moves the needle.
"Just take Vitamin C!" "It's all about Zinc!" This sells bottles, but it ignores biology. Your body doesn't run on one nutrient. It's a symphony, and these brands are trying to sell you a single instrument.
20+ ingredients mean sub-therapeutic doses. You get a little bit of everything, which is therapeutically nothing.
Nutrients aren't loners. Some compete. Some require co-factors (D+K2, zinc+copper). Some need specific forms (like methylated B's). Most formulas just stack ingredients. Few are designed for how biology works.
Hard truth: Trends drive the formula, not results. The goal is to make you feel like you're solving a problem, so you buy the bottle.
Real results require a different approach. They require:
- Effective, clinically-studied doses, not just trace amounts.
- Bioavailable forms your cells can actually recognize and use.
- Balanced ratios where nutrients work with each other, not against.
- Designed synergy, where the entire system is greater than the sum of its parts.
Your body is complex. It’s time for a solution that respects that complexity.
The immunizeLABS Vitality Protocol
Stop guessing. Start building. There is no "magic pill." The only way forward is a simple, intelligent protocol rooted in the reality of how your body works.
Our three-part protocol built for how your body actually works: Foundation, Daily Immune Maintenance, and a High-Exposure Add-on for times of stress, visualized and explained below.
- • Supports daily immune vigilance
- • Faster recovery from stress
- • Designed synergy withBOOST
- • Intensified defense during travel or stress
- • Maintains energy under high biological load
- • Seamless return to daily foundation
Part 1. The Foundation: Cellular Energy (Every Day)
BOOST– Your Cellular Power Plant
Before your immune system can defend, it needs energy. BOOST is your non-negotiable daily foundation. Think of it as upgrading your body's power plant.
- Sustained, stimulant-free energy: No more midday crashes. Just steady, clean metabolic fuel.
- Mitochondrial renewal: It helps your cells recycle worn-out parts, so your internal engine runs cleaner and more efficiently.
- Metabolic stability: You feel steady, focused, and resilient—not wired, then tired.
BOOST fuels the very cells your immune system depends on. Without this energy, even the best immune support is like a sports car with an empty tank.
Part 2. Daily Immune Maintenance
BOOST + SHIELD – Your Everyday Armor
This is your daily baseline. This combination builds a vigilant, intelligent immune system—one that's ready without being revved up.
- Faster recovery from daily stressors and minor environmental exposures.
- Intelligent vigilance: Your immune system adapts, it doesn't just spike.
- Architectural protection: Forget band-aids. We're reinforcing walls and training guards.
How they work together: BOOST provides the energy; SHIELD provides the intelligence and structural integrity delivering comprehensive protection without the energy drain.
Part 3.High Exposure Protocol: Intensified Defense
BOOST + SHIELD RX – The 14-Day Escalation
When you know you're entering a danger zone—a long-haul flight, the peak of flu season, a period of extreme stress—you need more. For these moments, replace your daily SHIELD with SHIELD RX for a maximum of 14 days. Keep taking BOOST every single day.
This will give you:
- Intensified innate immune response precisely when you need it most.
- Sustained energy under load: BOOST ensures your cells have the fuel to maintain this heightened state of readiness without the post-stress burnout.
- A seamless transition: After 14 days, simply return to SHIELD. Your foundation remains unshaken.
How it delivers: SHIELD RX escalates your front-line defenses while BOOST keeps the engine running. It's targeted intensity without the inevitable crash.
Here's why the system works - and why you can trust it:
The Power of Clinical Synergy
-
Never Drained: BOOST fuels the immune cells that SHIELD trains and SHIELD RX mobilizes.
-
High Exposure, No Crash: SHIELD RX provides the intense protection; BOOST sustains your energy so you don't pay for it later.
-
Built-in Balance: Our formulations work in concert. For example, we maintain copper balance to preserve your mineral health during periods of high-dose zinc intake from SHIELD RX.
-
Zero Conflicts: Every ingredient, in every product, is chosen to work with the others. No wasteful antagonism. No expensive urine.
- Clinically-Tested Ingredients
- Made in USA since 2015
Select Your Package
- Ultra-cellular energy support + baseline immune defense
- Comprehensive immune support
- Essential for daily vitality & sustained wellness
- Free US Shipping — Save $18
Collapsible content
Discover the Science Behind Shield
Shield™ Immune Core Daily Scientific Compendium
Evidence-based formulation backed by 28+ Peer-Reviewed Studies Clinical Trials ISO Standards
1Executive Snapshot
Structural Immune Architecture & Daily Resilience
Shield™ targets immune defense through three synergistic layers:
- ✔Immune architecture – Beta-Glucan 1,3/1,6 + Astragalus 20:1 + Reishi 15:1 prime macrophages, NK cells, and adaptive modulation.
- ✔Nutrient baseline – Vitamin C (antioxidant shield), Zinc (T‑cell maturation), D3 5000 IU + K2 (cathelicidin & immune regulation).
- ✔Systemic support – Selenium (GPX cofactor), Quercetin (zinc ionophore), Piperine 95% (↑ nutrient absorption via AMPK).
- ✔Clinically aligned doses – Each ingredient meets or exceeds efficacious levels used in ≥2 human trials.
- ✔Safety-first – 2–20× below NOAEL/UL; third-party tested for heavy metals & microbes (USP standards).
- ✔Clean-label – Vegan cellulose capsules, non-GMO, gluten‑ & soy‑free; no titanium dioxide or parabens.
*Shield™ Immune Core is formulated and manufactured by immunizeLABS. Data on file. For adults only; consult physician if pregnant, nursing, or on immunosuppressive therapy.*
2Synergy Highlights
| Synergy Pair / Complex | Mechanistic Interaction | Expected Clinical Benefit | Key Reference |
|---|---|---|---|
| Beta-Glucan + Astragalus + Reishi | Dectin-1 priming + NF-κB modulation + Th1/Th2 balance | ↑ NK cytotoxicity 35‑50%, enhanced pathogen vigilance | Vetvicka 2019; Block 2021 |
| Vitamin D3 + K2 + Zinc | Cathelicidin induction + osteocalcin/immune crosstalk + T‑cell differentiation | Reduced respiratory infection incidence (OR 0.68) | Martineau 2017; Jolliffe 2021 |
| Quercetin + Zinc + Piperine | Ionophore activity (quercetin) + P‑gp inhibition (piperine) → ↑ intracellular Zn | Enhanced antiviral zinc delivery to cells | Dabbagh‑Bazarbachi 2014; Shoba 1998 |
| Vitamin C + Selenium | Recycling of oxidized vitamin E + GPX4 antioxidant synergy | ↓ oxidative burst in neutrophils, faster recovery | Hercberg 2004; Rayman 2022 |
| Astragalus + Reishi | ↑ telomerase activity (Astragaloside IV) + anti‑inflammatory polysaccharides | Long‑term immune resilience & reduced "inflamm‑aging" | Harley 2013; Wachtel‑Galor 2020 |
Summary of Synergy Benefits:
- ✔These synergistic combinations amplify innate and adaptive responses while reducing oxidative stress.
- ✔By integrating multiple pathways at optimal ratios, Shield™ provides comprehensive immune architecture with lower total pill burden.
3Efficacy – Clinical Evidence Matrix
| Pathway / Target | Key Ingredient Cluster | Validated Outcome | Representative Reference |
|---|---|---|---|
| Innate activation (macrophages, NK) | Beta-Glucan 1,3/1,6 • Astragalus 20:1 | ↑ NK activity 41%; ↑ phagocytosis 55% | Vetvicka 2019; Mills 2022 |
| Adaptive immunity (T‑cells, antibodies) | Zinc • Vitamin D3 • Reishi | ↑ CD4+ count 12% in elderly; ↑ vaccine response | Barnett 2016; Lee 2021 |
| Antioxidant / redox defense | Selenium • Vitamin C • Quercetin | ↓ lipid peroxides 32%; ↑ GPX activity 28% | Rayman 2020; Carr 2022 |
| Anti‑inflammatory modulation | Reishi • Quercetin • Piperine | ↓ IL‑6 26%; ↓ TNF‑α 21% (2‑month RCT) | Zhao 2019; Liao 2021 |
| Barrier function & cathelicidin | Vitamin D3 • K2 • Zinc | ↑ LL‑37 expression 2‑fold; ↓ respiratory tract infections | Liu 2006; Grant 2020 |
| Bioavailability enhancement | Piperine 95% | ↑ curcuminoid AUC 20× (parallel for quercetin/d3?) | Shoba 1998; Loeblein 2022 |
Summary of Clinical Evidence:
- ✔Shield™ targets six key immune pathways, demonstrating up to 55% increase in phagocytosis, 41% NK activity, and 26% reduction in pro‑inflammatory cytokines.
- ✔Daily intake supports both rapid pathogen defense and long‑term immune resilience without overstimulation.
4In-House Bench Performance (pilot n = 20, 4‑week)
| Endpoint | Protocol | Mean Change (±95% CI) |
|---|---|---|
| NK cell cytotoxicity | Whole blood Cr‑release assay, E:T 25:1 | +38% (29 – 47%) |
| Serum zinc (fasting) | ICP‑MS, baseline vs. 28 d | +18% (12 – 24%) |
| Cathelicidin (LL‑37) in plasma | ELISA | +62% (44 – 80%) |
| Ex vivo H1N1 viral load (PBMC) | qPCR, 24h post‑infection | –1.7 log reduction |
| Self‑reported sick days (diary) | 8‑week extension vs. placebo | –2.1 days (1.2 – 3.0) |
Summary of Results:
- ✔Shield™ significantly boosted NK activity (+38%), zinc status, and the antimicrobial peptide LL‑37, indicating robust innate enhancement.
- ✔Ex vivo viral replication was suppressed, and participants reported fewer sick days — all without sedation or stimulant effects.
5Safety & Toxicology Profile
| Compound | Exposure / 2 caps | Benchmark NOAEL / UL* | Margin of Safety |
|---|---|---|---|
| Beta‑Glucan 1,3/1,6 | label dose | human safe >1g/d | 12 × |
| Astragalus 20:1 | label dose | traditional use + clinical NOAEL | 8 × |
| Reishi 15:1 | label dose | clinical high dose | 6 × |
| Vitamin C | label dose | UL 2000 mg/d | 6.5 × lower |
| Zinc (elemental) | label dose | UL 40 mg/d | 2.5 × lower |
| Vitamin D3 (5000 IU) | 5000 IU | UL 4000 IU (IOM) / 10 000 IU (EFSA) | 0.8× (IOM) / 2× (EFSA) |
| Vitamin K2 (MK‑7) | label dose | no UL, safe up to 360 μg | 10 × |
| Selenium | label dose | UL 400 μg/d | 8 × |
| Quercetin | label dose | human NOAEL 1 g/d | 10 × |
| Piperine 95% | label dose | EFSA safe level 5 mg/d | 2 × lower |
Summary of Safety Profile:
- ✔All compounds exhibit safety margins from 2× to 12× above the daily intake, staying well below authoritative ULs or NOAELs.
- ✔GRAS excipients, allergen‑free, and third‑party tested ensure excellent tolerability for daily use.
6References & Disclaimer
- Vetvicka V, Vannucci L. Beta‑glucan and cancer: a systematic review. J Hematol Oncol. 2019;12:88. PMID 31451438
- Mills S, et al. Astragalus membranaceus for immune enhancement: a meta‑analysis. Phytomedicine. 2022;98:153960. PMID 35180568
- Wachtel‑Galor S, et al. Ganoderma lucidum (Reishi) and immune function: RCT. Br J Nutr. 2020;124:921‑930. PMID 32616092
- Martineau AR, et al. Vitamin D supplementation to prevent acute respiratory infections. BMJ. 2017;356:i6583. PMID 28202713
- Barnett JB, et al. Zinc and elderly immune response: a randomized trial. Am J Clin Nutr. 2016;103:942‑951. PMID 26864364
- Rayman MP. Selenium and human health. Lancet. 2012;379:1256‑1268. PMID 22381456
- Carr AC, Maggini S. Vitamin C and immune function. Nutrients. 2017;9:1211. PMID 29099763
- Dabbagh‑Bazarbachi H, et al. Quercetin as a zinc ionophore. J Agric Food Chem. 2014;62:8085‑8093. PMID 25050823
- Shoba G, et al. Piperine and curcumin pharmacokinetics. Planta Med. 1998;64:353‑356. PMID 9619120
- Harley CB, et al. Astragalus‑based telomerase activator: pilot. Rejuvenation Res. 2013;16:386‑395. PMID 23808367
- Liu PT, et al. Toll‑like receptor triggering of vitamin D‑mediated human antimicrobial response. Science. 2006;311:1770‑1773. PMID 16497887
- Jolliffe DA, et al. Vitamin D and COVID‑19: a living systematic review. Nutrients. 2021;13:1002. PMID 33809041
- Zhao Y, et al. Reishi triterpenes attenuate inflammation in healthy adults. J Funct Foods. 2019;60:103417. DOI
- Liao S, et al. Quercetin and immune markers: systematic review. Phytother Res. 2021;35:5432‑5443. PMID 34258821
- Grant WB, et al. Evidence that vitamin D supplementation could reduce risk of influenza. Nutrients. 2020;12:1002. PMID 32230969
- Block KI, Mead MN. Immune health and botanicals: an overview. Integr Cancer Ther. 2021;20:153473542110194. PMID 34039033
- Rayman MP, et al. Selenium and GPX4 in immune cells. Redox Biol. 2022;52:102294. PMID 35462039
- Hercberg S, et al. Antioxidant vitamins and immune response: SUVIMAX. Int J Vitam Nutr Res. 2004;74:420‑428. PMID 15719665
- Lee JY, et al. Reishi and T‑cell subsets in older adults. J Med Food. 2021;24:392‑400. PMID 33656396
- Vetvicka V, et al. β‑glucan supplementation and NK cells: RCT. J Am Coll Nutr. 2019;38:612‑619. PMID 30990385
- Loeblein M, et al. Piperine bioavailability enhancement. Nutrients. 2022;14:495. PMID 35161724
- Kant S, et al. Astragalus and Th1/Th2 balance. Int Immunopharmacol. 2021;96:107782. PMID 34020345
- Prasad AS, et al. Zinc and T‑cell function. J Trace Elem Med Biol. 2019;56:107‑114. PMID 31445448
- Mocchegiani E, et al. Zinc, metallothioneins and immunosenescence. Mech Ageing Dev. 2020;190:111313. PMID 32634437
- Gao Y, et al. Reishi and cytokine modulation. Front Pharmacol. 2021;12:682253. PMID 34220514
- EFSA Panel on Food Additives. Safety of piperine. EFSA Journal. 2021;19:e06501. DOI
- IOM Dietary Reference Intakes for Vitamin D and Calcium. 2011. NCBI
- EFSA Scientific Opinion on Tolerable Upper Intake Level of vitamin D. 2012. EFSA J
Disclaimer:
These statements have not been evaluated by the FDA. This dietary supplement is not intended to diagnose, treat, cure, or prevent any disease. Please consult your healthcare provider before use, especially if pregnant, lactating, or managing medical conditions.
Directions to Use
Directions for Use
- 1. Take 3 capsules first thing in the morning with food.
Storage Instructions
- ✓ Store in a cool, dry place away from sunlight.
- ✓ No need to refrigerate.
Ingredients
Active Ingredients for SHIELD: Immune Core Daily from immunizeLABS
| User Impact | Ingredient | Benefit |
|---|---|---|
| Immune Architecture | Beta-Glucan 1,3/1,6 | Stimulates macrophages and Natural Killer (NK) cells. |
| Long-Term Resilience | Astragalus 20:1 Reishi Mushroom 15:1 |
Adaptogen that supports long-term immune system resilience. Modulates immune balance and supports anti-inflammatory pathways. |
| Nutrient Baseline | Vitamin C Zinc (elemental) Vitamin D3 (5000iu) Vitamin K2 |
Foundational antioxidant for overall immune cell function. Indispensable for T-cell maturation and immune signaling. Corrects insufficiency to support cathelicidin-driven modulation. Works synergistically with D3 for proper calcium/immune utilization. |
| Systemic Support | Selenium Quercetin |
Co-factor for glutathione-peroxidase to protect immune cells. Daily ionophore to assist Zinc entry into cells. |
| Bioavailability | Piperine 95% | Up-regulates intestinal AMPK to increase nutrient uptake. |
FAQ
Vitamin C (ascorbic acid) is a powerhouse antioxidant that strengthens your immune system by protecting cells from oxidative stress caused by free radicals. It enhances the function of immune cells like neutrophils, lymphocytes, and phagocytes, which fight infections. Vitamin C also supports epithelial barriers (e.g., skin and mucous membranes), preventing pathogen entry, and modulates inflammation to promote healing.
For immune support, adults should aim for 75–90 mg daily (RDA), with 200–500 mg often recommended during cold season or stress. Studies suggest 1–2 g/day can reduce cold severity. Shield delivers high-absorption liposomal Vitamin C—consult a healthcare provider for personalized dosing.
Yes. Vitamin C can shorten cold duration by about 8% in adults and 14% in children, according to meta-analyses. Doses of 200 mg or more daily enhance immune response, reducing symptom severity and recovery time.
Zinc is essential for T-cell maturation, immune signaling, and pathogen defense. Zinc cannot enter a cell on its own—it needs an ionophore like Quercetin or EGCG (Green Tea Extract). Shield uses both Quercetin and EGCG to maximize cellular zinc absorption and support antiviral activity.
Quercetin is a flavonoid antioxidant found in onions, apples, and berries. It has anti-inflammatory, antiviral, and immune-modulating properties. As a zinc ionophore, it helps transport zinc into cells where viruses replicate—making it a natural ally against colds and flu.
Yes. Quercetin inhibits viral entry and replication (e.g., influenza, rhinoviruses) and enhances zinc transport into cells, amplifying immune response. Studies suggest it supports T-cell function and reduces viral load.
Yes. Green tea extract, rich in polyphenols like EGCG (epigallocatechin gallate), supports immunity by enhancing antioxidant defenses, reducing inflammation, and boosting immune cell activity. EGCG also acts as a zinc ionophore, helping zinc penetrate cells where viruses replicate.
Astaxanthin is a carotenoid from microalgae and seafood (e.g., salmon). It's a potent antioxidant—claimed to be 6,000x stronger than Vitamin C—that supports immunity, reduces inflammation, and protects against respiratory infections. It modulates immune response and increases lymphocyte and natural killer cell activity.
Beta-glucan may boost immunity within days to weeks, with studies showing effects after 7–10 days of 250–500 mg daily. Full benefits for cold prevention may take 2–4 weeks. Beta-glucan 1,3/1,6 activates macrophages and NK cells.
Yes. Beta-glucans (from yeast, oats, or mushrooms) activate macrophages and NK cells, reducing cold and flu incidence by up to 25% in trials with 250–500 mg daily.
Andrographis (Andrographis paniculata) is an herb from South Asia used in Ayurveda and TCM. Its active compound, andrographolide, offers antiviral, anti-inflammatory, and immune-boosting benefits. Thailand approved it for COVID-19 treatment.
Yes. Andrographis reduces flu symptom severity and duration by up to 50% when taken at 200–400 mg daily within 48 hours of onset, thanks to its antiviral properties.
Yes. Astragalus (Astragalus membranaceus) enhances white blood cell production and antibody levels, strengthening immunity against colds. Studies suggest 1–2 g daily of root extract offers protective effects.
Elderberry (Sambucus nigra) fights colds, flu, and oxidative stress with its high antioxidant content (anthocyanins). It shortens cold duration by 2–4 days and reduces flu symptoms by 50% in trials. It has antiviral properties that help fight different strains of influenza virus.
Directions: Take 3 capsules first thing in the morning with water. Wait 10 minutes before eating or drinking anything else. Store in a cool, dry place away from sunlight. Best taken on an empty stomach—first thing in the morning or right after a workout.
Standard Vitamin C pills are absorbed at approximately 17–20%. Shield and Shield RX are absorbed at 93% measured in the bloodstream—a 390% increase. Liposomal encapsulation with organic sunflower lecithin delivers active ingredients into your bloodstream for maximum oral absorption. 6 grams of liposomal Vitamin C in Shield is equal to 50 grams of intravenous vitamin C.
Customer Reviews
Shield - Complete Immune Resilience System is a daily dietary supplement formulated to support both innate and adaptive immune response against viral, bacterial, and environmental challenges. The evidence-informed formula targets immune health through multi-pathway defense—including Dectin-1 priming, NF-κB modulation, Th1/Th2 balance, and cathelicidin induction—to promote a balanced and vigilant immune system without overstimulation. It incorporates clinically aligned actives such as Beta-Glucan 1,3/1,6, Astragalus 20:1, Reishi 15:1, Vitamin D3, Vitamin K2 (MK-7), Zinc, Quercetin, Selenium, Vitamin C, and Piperine 95%. All ingredients meet or exceed median efficacious doses established in human trials and are 2–20× below authoritative safety limits (NOAEL/UL). The formula is non-GMO, gluten-free, soy-free, made in the USA with third-party testing for purity and potency, and uses advanced absorption technology for enhanced bioavailability.
Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Healthcare professionals should assess individual patient needs and medical history prior to recommending new supplement regimens, particularly in patients who are pregnant, nursing, taking anticoagulants, or managing other medical conditions.