2-Phase Dual Immune Booster
by Royal Guard · tablet or pill · 30 individual packs
- On the market (NIH)
- UPC 8 79610 00051 5
- DSLD label 15515
- Serving 1 tablet
2-Phase Dual Immune Booster by Royal Guard lists 10 ingredients, 10 with an amount per serving of 1 tablet, such as 3,333 IU of vitamin A, 167 mg of vitamin C, 20 IU of vitamin E and 5 mg of zinc. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2012.
What is in 2-Phase Dual Immune Booster?
Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta Carotene) | 3,333 IU | 67% | 55% of 5,772 products listing vitamin A give more (median 4,000 IU). |
| Vitamin Cas Ascorbic Acid | 167 mg | 278% | Higher than 61% of 18,583 products listing vitamin C (median 100 mg). |
| Vitamin Eas D-Alpha-Tocopheryl AcetateVitamin E (Form: as D-Alpha Tocopheryl Acetate) | 20 IU | 67% | 71% of 6,459 products listing vitamin E give more (median 30 IU). |
| Zincas Zinc AspartateZinc (Form: as Zinc Aspartate) | 5 mg | 33% | 72% of 13,186 products listing zinc give more (median 11 mg). |
| ArabinogalactansArabinogalactans Genus: Larix Species: occidentalis Note: extract | 83 mg | 68% of 242 products listing arabinogalactan give more (median 250 mg). | |
| Olive Leafas OleuropeinOlive Leaf (Form: stand. [5 mg-6.25 mg] 20- 25% oleuropein) PlantPart: Leaf Genus: Olea Species: europa Note: with 10 additional standardized constituents | 25 mg | 76% of 822 products listing olive give more (median 100 mg). | |
| Andrographisas AndrographolidesAndrographis (Form: standardized [8.3 mg] 50% andrographolides) PlantPart: aerial Genus: Andrographis Species: paniculata Note: extract | 17 mg | 99% of 213 products listing andrographis give more (median 200 mg). | |
| Echinaceaas EchinacosidesEchinacea (Form: standardized [0.67 mg] 4% echinacosides) PlantPart: root and rhizome Genus: Echinacea Species: angustifolia | 17 mg | 94% of 199 products listing echinacea angustifolia give more (median 100 mg). | |
| Elderberryas FlavonoidsElderberry (Form: standardized [15 mg] 30% Flavonoids) PlantPart: fruit Genus: Sambucus Species: nigra subsp. canadensis | 17 mg | ||
| Lactobacillus acidophilusLactobacillus acidophilus Note: 1.33 million viable cells at time of manufacture | 0.33 mg | 93% of 309 products listing lactobacillus acidophilus give more (median 20 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 15515 (entered November 21, 2012), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 99% of the 213 products that print an amount of andrographis list more than its 17 mg of andrographis (median 200 mg).
- 94% of the 199 products that print an amount of echinacea angustifolia list more than its 17 mg of echinacea angustifolia (median 100 mg).
- 93% of the 309 products that print an amount of lactobacillus acidophilus list more than its 0.33 mg of lactobacillus acidophilus (median 20 mg).
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
1 product lists the very same ingredients; the nearest amounts come first.
- Source Of Life Immune BoosterNature's Plus · off the market same ingredients
- Immune BoosterNatures Plus Source of Life · off the market 9 shared, 71% alike
- Immune BoosterNaturesPlus Source of Life 9 shared, 71% alike
- Tri-ImmuneNatures Plus Herbal Actives · off the market 5 shared, 48% alike
- Olive Leaf Plus 500 mgHighland Laboratories 3 shared, 43% alike
- Tri-ImmuneDreamQuest Nutraceuticals · off the market 3 shared, 39% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- DIRECTIONS: As a dietary supplement, take one pack daily.
- Warnings
- KEEP OUT OF REACH OF CHILDREN.
- Note: If you are pregnant or nursing, consult your health care professional before using any herbal product.
- Allergens and what it does not contain
- GLUTEN FREE
- HYPOALLERGENIC: contains no milk, egg, fish, crustacean shellfish, tree nuts, wheat, peanuts or soybeans. Contains no artificial colors or preservatives.
- Storage
- KEEP TIGHTLY CLOSED IN A COOL, DRY PLACE.
Source: label statements in DSLD label 15515.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Stearic Acid, Magnesium Stearate, natural colors, Silica, Pharmaceutical Glaze.
How many labels does 2-Phase Dual Immune Booster have?
One label is on file, entered on November 21, 2012.
- Label 15515 (current) Entered November 21, 2012 · on the market · 30 individual packs · UPC 8 79610 00051 5
DSLD also links this label to: Esterified Vitamin C (bundle set), Arabinogalactans/Olive Leaf Complex (bundle set), Herbal Immune Support Formula (bundle set).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names DreamQuest Nutraceuticals (distributor), Reno, NV. All Royal Guard products.