PlainVitamins

Herbal Immune Support Formula

by Royal Guard · capsule · 30 individual packs

  • On the market (NIH)
  • UPC 8 79610 00051 5
  • DSLD label 15516
  • Serving 1 capsule

Herbal Immune Support Formula by Royal Guard lists 16 ingredients, 16 with an amount per serving of 1 capsule, such as 5,000 IU of vitamin A, 150 mg of vitamin C, 50 IU of vitamin E and 7.5 mg of olive leaf extract. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2012.

What is in Herbal Immune Support Formula?

Each row as the label prints it, per serving of 1 capsule. 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).

Herbal Immune Support Formula: Supplement Facts rows against the market (DSLD label 15516, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta Carotene)5,000 IU100%Vitamin A in Herbal Immune Support Formula against 5,772 products5,000 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.5,000 IU

Higher than 55% of 5,772 products listing vitamin A (median 4,000 IU).

Vitamin Cas Ascorbic Acid150 mg250%Vitamin C in Herbal Immune Support Formula against 18,583 products150 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg150 mg

Higher than 58% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Eas D-Alpha-Tocopheryl SuccinateVitamin E (Form: as D-Alpha Tocopheryl Succinate)50 IU167%Vitamin E in Herbal Immune Support Formula against 6,459 products50 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.50 IU

Higher than 61% of 6,459 products listing vitamin E (median 30 IU).

Olive leaf extractas OleuropeinZinc (Form: as Zinc Monomethionine)7.5 mg50%Olive in Herbal Immune Support Formula against 822 products7.5 mg per serving; the middle half of products list 30 mg to 300 mg, the median 100 mg.7.5 mg

92% of 822 products listing olive give more (median 100 mg).

Echinaceaas EchinacosidesEchinacea (Form: stand. [1 mg] 4% echinacosides) PlantPart: root and rhizome Genus: Echinacea Species: angustifolia25 mgEchinacea angustifolia in Herbal Immune Support Formula against 199 products25 mg per serving; the middle half of products list 50 mg to 245 mg, the median 100 mg.25 mg

85% of 199 products listing echinacea angustifolia give more (median 100 mg).

Astragalusas 4'-Hydroxy-3'-Methoxyisoflavone 7-SugAstragalus (Form: stand. [0.1 mg] 0.4% 4'-hydroxy-3'-methoxyisoflavone 7-sug) PlantPart: root Genus: Astragalus Species: membranaceus25 mgAstragalus in Herbal Immune Support Formula against 604 products25 mg per serving; the middle half of products list 50 mg to 405 mg, the median 132.5 mg.25 mg

88% of 604 products listing astragalus give more (median 132.5 mg).

Chinese Green Teaas PolyphenolsChinese Green Tea (Form: stand. [12.5 mg] 50% polyphenols) PlantPart: leaf Genus: Camellia Species: sinensis Note: decaffeinated25 mgGreen Tea in Herbal Immune Support Formula against 2,595 products25 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.25 mg

86% of 2,595 products listing green tea give more (median 100 mg).

Red Wine Concentrateas PolyphenolsRed Wine Concentrate (Form: stand. [5 mg] 20% polyphenols) PlantPart: fruit Genus: Vitis Species: vinifera Note: alcohol free25 mgRed Wine in Herbal Immune Support Formula against 115 products25 mg per serving; the middle half of products list 25 mg to 90 mg, the median 25 mg.25 mg

50% of 115 products listing red wine give more (median 25 mg).

Turmericas CurcuminTurmeric (Form: stand. [23.75 mg] 95% curcumin) PlantPart: rhizome Genus: Curcuma Species: longa25 mgTurmeric in Herbal Immune Support Formula against 2,369 products25 mg per serving; the middle half of products list 50 mg to 500 mg, the median 150 mg.25 mg

86% of 2,369 products listing turmeric give more (median 150 mg).

Garlicas Allicin, alliin, Allyl MercaptanGarlic (Form: stand. [0.09 mg] 0.35% allicin, [0.16 mg] 0.65% alliin, [0.1 mg] 0.4% thiosulfinates, [21.25 mcg] 0.085% allyl mercaptan) PlantPart: clove Genus: Allium Species: sativum Note: odor-modified25 mgGarlic in Herbal Immune Support Formula against 1,075 products25 mg per serving; the middle half of products list 50 mg to 500 mg, the median 200 mg.25 mg

84% of 1,075 products listing garlic give more (median 200 mg).

Schisandraas schisandrinsSchisandra (Form: stand. [1.13 mg] 9% schisandrins) PlantPart: fruit Genus: Schisandra Species: chinensis12.5 mgSchisandra in Herbal Immune Support Formula against 460 products12.5 mg per serving; the middle half of products list 50 mg to 240 mg, the median 108.75 mg.12.5 mg

98% of 460 products listing schisandra give more (median 108.75 mg).

Pau d'Arcoas naphthoquinonesPau d'Arco (Form: stand. [0.375 mg] naphthoquinones) PlantPart: bark Genus: Tabebuia Species: impetiginosa12.5 mgPau d'Arco in Herbal Immune Support Formula against 149 products12.5 mg per serving; the middle half of products list 50 mg to 704 mg, the median 210 mg.12.5 mg

97% of 149 products listing pau d'Arco give more (median 210 mg).

Goldensealas AlkaloidsGoldenseal (Form: stand. [1.25 mg] 10% alkaloids (Form: hydrastine, berberine)) PlantPart: root and rhizome Genus: Hydrastis Species: canadensis12.5 mgGoldenseal in Herbal Immune Support Formula against 308 products12.5 mg per serving; the middle half of products list 40 mg to 385 mg, the median 100 mg.12.5 mg

90% of 308 products listing goldenseal give more (median 100 mg).

Shiitake Mushroomas KS-2 polysaccharidesShiitake Mushroom (Form: stand. [0.24 mg] 3.2% KS-2 polysaccharides (Form: peptidomannan)) PlantPart: mycelia Genus: Lentinus Species: edodes7.5 mgShiitake Mushroom in Herbal Immune Support Formula against 256 products7.5 mg per serving; the middle half of products list 33.75 mg to 200 mg, the median 100 mg.7.5 mg

96% of 256 products listing shiitake mushroom give more (median 100 mg).

Grape Seedas ProanthocyanidinsGrape Seed (Form: stand. [2.4 mg] 95% proanthocyanidins) PlantPart: Seed Genus: Vitis Species: vinifera2.5 mgGrape in Herbal Immune Support Formula against 1,900 products2.5 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.2.5 mg

97% of 1,900 products listing grape give more (median 50 mg).

Bioperineas 1-PiperoylpiperidineBioperine (Form: stand. [2.4 mg] 95% 1-piperoylpiperidine) PlantPart: fruit Genus: Piper Species: nigrum2.5 mgBlack Pepper in Herbal Immune Support Formula against 2,363 products2.5 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.2.5 mg

86% of 2,363 products listing black pepper give more (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 15516 (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:

  • 92% of the 822 products that print an amount of olive list more than its 7.5 mg of olive (median 100 mg).
  • 85% of the 199 products that print an amount of echinacea angustifolia list more than its 25 mg of echinacea angustifolia (median 100 mg).
  • 88% of the 604 products that print an amount of astragalus list more than its 25 mg of astragalus (median 132.5 mg).
  • 86% of the 2,595 products that print an amount of green tea list more than its 25 mg of chinese green tea (filed by NIH under green tea) (median 100 mg).
  • 98% of the 460 products that print an amount of schisandra list more than its 12.5 mg of schisandra (median 108.75 mg).
  • 97% of the 149 products that print an amount of pau d'Arco list more than its 12.5 mg of pau d'Arco (median 210 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?

The products whose ingredient lists overlap most with Herbal Immune Support Formula's, rare ingredients counting for more.

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.
Allergens and what it does not contain
HYPOALLERGENIC: contains no milk, egg, fish, crustacean shellfish, tree nuts, wheat, peanuts or soybeans. Contains no artificial colors or preservatives.
GLUTEN FREE
Storage
KEEP TIGHTLY CLOSED IN A COOL, DRY PLACE.

Source: label statements in DSLD label 15516.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Silica, Vegetable Cellulose, purified Water.

How many labels does Herbal Immune Support Formula have?

One label is on file, entered on November 21, 2012.

  1. Label 15516 (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), 2-Phase Dual Immune Booster (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.

Where next?