ROOT Immune Defense Shield – Vitamin C, D, K2 & Magnesium Capsules
Vitamin C, Vitamin D, Vitamin K2, and Magnesium in Capsule Form
ROOT Immune Defense Shield is a dietary supplement containing selected vitamins, minerals, trace elements, quercetin, and NAD—500 mg of vitamin C, 80 µg of vitamin D, 80 µg of vitamin K2, and 50 mg of magnesium per capsule.
- 500 mg of vitamin C per capsule (625% NRV)
- 80 µg of vitamin D per capsule (1,600% NRV)
- Vitamin C and vitamin D contribute to the normal functioning of the immune system
- Vitamin C helps protect cells from oxidative stress
- With quercetin, NAD, and trace minerals
- BSCG Certified Quality, according to the manufacturer's specifications
- Order from the official European ROOT store
- Shipped from Europe – no customs duties within the EU
- 100% genuine product directly from the manufacturer, ROOT
Payment Methods in the ROOT Shop
- Credit Card
- Apple Pay
- PayPal
- Flex – Pay with HSA/FSA
Do you need additional payment options that ROOT doesn't currently offer? Contact us—we'd be happy to help.
For Swiss customers, orders are shipped from the ROOT warehouse in Switzerland.
Buy directly from the manufacturer—no middlemen, no hidden fees.
Order now from the European ROOT Store*Plus country-specific sales tax and shipping costs charged by the seller. The final price will be displayed during the checkout process.
Micronutrients in capsule form for your daily routine
ROOT Immune Defense Shield is a dietary supplement containing selected vitamins, minerals, trace elements, quercetin, and NAD. The formula is suitable for people who want to specifically supplement their daily intake of these micronutrients.
Note: "Immune Defense Shield" is the manufacturer's product name. This page uses exclusively factual product information and EFSA-approved health claims regarding vitamin C, vitamin D, vitamin K, and magnesium—without any promises of healing, protection, disease prevention, or performance.
Nutritional Values Per Daily Serving
| Ingredient | Per capsule | % NRV |
|---|---|---|
| Vitamin C | 500 mg | 625% |
| Vitamin D | 80 µg | 1,600% |
| Vitamin K2 | 80 µg | 107% |
| Magnesium | 50 mg | 13% |
| Trace elements | 25 mg | ** |
| Quercetin | 50 mg | ** |
| NAD | 6 mg | ** |
*NRV = Nutrient Reference Value according to the EU Food Information Regulation. ** No Nutrient Reference Value has been established.
- Contents: 60 capsules / 14 g
- Servings: 60 servings (1 capsule each)
Ingredients as listed by the manufacturer
Vitamin C, Vitamin D, Menaquinone / Vitamin K2, magnesium oxide, quercetin, trace minerals from saltwater concentrate from the Great Salt Lake in Utah, hydroxypropyl methylcellulose as capsule shell, nicotinamide adenine dinucleotide / NAD.
Quercetin is a plant-derived secondary metabolite belonging to the flavonoid group. NAD (nicotinamide adenine dinucleotide) is a compound—both are components of the manufacturer’s formulation.
Permitted claims regarding the nutrients contained
- Vitamin C contributes to the normal functioning of the immune system
- Vitamin D contributes to the normal functioning of the immune system
- Vitamin C helps protect cells from oxidative stress
- Vitamin C helps reduce tiredness and fatigue
- Vitamin D helps maintain normal bones and normal muscle function
- Vitamin K helps maintain normal bones
- Magnesium contributes to normal muscle function and normal energy metabolism
- Magnesium contributes to the normal functioning of the nervous system
Usage according to the manufacturer
- Take 1 capsule daily
- Can be taken in the morning or at any time
- Available with or without a meal
- Store in a cool, dry place away from light
Note: If you are taking anticoagulant medications, vitamin K should only be taken after consulting a doctor. The recommended daily dose should not be exceeded by taking additional vitamin D supplements.
If you prefer a powder form to capsules, ROOT Natural Barrier Support offers an alternative with higher doses of vitamin C and zinc instead of vitamin K2 and magnesium.
Shipped from Europe, no customs fees within the EU—and if you still have questions, you'll find the most important answers right below.
View ROOT Immune Defense Shield in the European ROOT Store*Plus country-specific sales tax and shipping costs charged by the seller.
Frequently Asked Questions About ROOT Immune Defense Shield
What is the difference between this and ROOT Natural Barrier Support?
Both products contain vitamin C and vitamin D, but differ in dosage, dosage form, and additives: Immune Defense Shield is a capsule containing 500 mg of vitamin C and also contains vitamin K2, magnesium, quercetin, and NAD. Natural Barrier Support is a powder containing 1,000 mg of vitamin C and also contains zinc. Which product is a better fit depends on your preferred dosage form and the desired additional ingredients.
What does the product name "Immune Defense Shield" mean?
"Immune Defense Shield" is the product name used by the manufacturer ROOT. This page provides exclusively factual product information and EFSA-approved health claims regarding the nutrients it contains. No claims are made regarding protection or cure of diseases.
What is ROOT Immune Defense Shield?
ROOT Immune Defense Shield is a dietary supplement in capsule form containing vitamin C, vitamin D, vitamin K2, magnesium, trace minerals, quercetin, and NAD.
Why is the vitamin D dosage of 80 µg relatively high?
80 µg of vitamin D per capsule corresponds to 1,600% of the Nutrient Reference Value (NRV) and is thus significantly higher than in many standard supplements. This amount falls within the Tolerable Upper Intake Level (UL) for adults as defined by the EFSA. Anyone who is already taking other supplements containing vitamin D should keep an eye on their total intake and seek medical advice if in doubt.
How is Immune Defense Shield used?
Take 1 capsule daily, with or without a meal, at any time.
What should people taking anticoagulant medications keep in mind?
If you are taking anticoagulant medications, you should consult your doctor before using this product due to the vitamin K it contains.
Is Immune Defense Shield a substitute for a balanced diet?
No. Dietary supplements are not a substitute for a varied, balanced diet and a healthy lifestyle.
Am I ordering from the U.S.?
No. The link will redirect you to the official ROOT store for Germany and Europe: . The order is processed entirely through the European store: , with shipping from Europe and no additional customs fees within the EU.
Where can I order ROOT Immune Defense Shield?
Orders are placed directly through the official European ROOT store, with shipping from Europe and no customs fees within the EU. Walgenbach provides a referral link to the product.
Have all your questions been answered?
Then nothing stands in the way of your first order.
*Plus country-specific sales tax and shipping costs charged by the seller.