PlainVitamins

Air Defense

by NOW · capsule · 90 veg capsules

  • On the market (NIH)
  • UPC 7 33739 03372 7
  • DSLD label 335205
  • Serving 2 veg capsules
  • 45 servings

Air Defense by NOW lists 20 ingredients, 17 with an amount per serving of 2 veg capsules, such as 1,000 mcg of vitamin A, 500 mg of vitamin C, 13 mg of vitamin E and 45 mg of magnesium; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in Air Defense?

Each row as the label prints it, per serving of 2 veg capsules. 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).

Air Defense: Supplement Facts rows against the market (DSLD label 335205, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-Carotene, Retinyl Palmitate50% Beta-Carotene, 50% Retinyl Palmitate1,000 mcg111%
Vitamin Cas Ascorbic Acid500 mg556%Vitamin C in Air Defense against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 1,000 mg.

Vitamin Eas D-Alpha-Tocopheryl Acetate13 mg87%
Magnesiumas Magnesium Oxide45 mg11%Magnesium in Air Defense against 14,003 products45 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg45 mg

68% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 90 mg.

Zincas Zinc Ascorbic Acid Blend10 mg91%Zinc in Air Defense against 13,186 products10 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg10 mg

51% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 20 mg.

Seleniumas L-Selenomethionine50 mcg91%Selenium in Air Defense against 7,658 products50 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg50 mcg

56% of 7,658 products listing selenium give more (median 55 mcg). Per day at the most servings: 100 mcg.

Manganeseas Manganese Amino Acid Chelate1 mg43%Manganese in Air Defense against 7,016 products1 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg1 mg

70% of 7,016 products listing manganese give more (median 2 mg). Per day at the most servings: 2 mg.

Paractin (Andrographis paniculata) (aerial) extract10 mgAndrographis in Air Defense against 213 products10 mg per serving; the middle half of products list 100 mg to 400 mg, the median 200 mg.10 mg

over 99% of 213 products listing andrographis give more (median 200 mg). Per day at the most servings: 20 mg.

Andrographolidesno amount given
14-Deoxyandrographolidesno amount given
Neoandrographolidesno amount given
Elderberry67 mgEuropean Elder in Air Defense against 920 products67 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.67 mg

73% of 920 products listing european elder give more (median 150 mg). Per day at the most servings: 134 mg.

Echinacea root extract67 mgEchinacea angustifolia in Air Defense against 199 products67 mg per serving; the middle half of products list 50 mg to 245 mg, the median 100 mg.67 mg

65% of 199 products listing echinacea angustifolia give more (median 100 mg). Per day at the most servings: 134 mg.

ImmunEnhanceras Arabinogalactan67 mgArabinogalactan in Air Defense against 242 products67 mg per serving; the middle half of products list 50 mg to 1,000 mg, the median 250 mg.67 mg

69% of 242 products listing arabinogalactan give more (median 250 mg). Per day at the most servings: 134 mg.

Olive leaf extract67 mgOlive in Air Defense against 822 products67 mg per serving; the middle half of products list 30 mg to 300 mg, the median 100 mg.67 mg

60% of 822 products listing olive give more (median 100 mg). Per day at the most servings: 134 mg.

Astragalus root extract34 mgAstragalus in Air Defense against 604 products34 mg per serving; the middle half of products list 50 mg to 405 mg, the median 132.5 mg.34 mg

85% of 604 products listing astragalus give more (median 132.5 mg). Per day at the most servings: 68 mg.

Ginger Root Extract17 mgGinger in Air Defense against 1,770 products17 mg per serving; the middle half of products list 25 mg to 150 mg, the median 60 mg.17 mg

83% of 1,770 products listing ginger give more (median 60 mg). Per day at the most servings: 34 mg.

L-Argininefree-form25 mgArginine in Air Defense against 1,455 products25 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.25 mg

91% of 1,455 products listing arginine give more (median 500 mg). Per day at the most servings: 50 mg.

L-Glutaminefree-form25 mgGlutamine in Air Defense against 1,850 products0.025 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.025 g

96% of 1,850 products listing glutamine give more (median 1 g). Per day at the most servings: 0.05 g.

L-Lysineas L-Lysine Hydrochloride25 mgLysine in Air Defense against 1,250 products25 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.25 mg

94% of 1,250 products listing lysine give more (median 500 mg). Per day at the most servings: 50 mg.

Source: NIH ODS Dietary Supplement Label Database, label 335205 (entered July 24, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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:

  • over 99% of the 213 products that print an amount of andrographis list more than its 10 mg of paractin (andrographis paniculata) (aerial) extract (filed by NIH under andrographis) (median 200 mg).
  • 91% of the 1,455 products that print an amount of arginine list more than its 25 mg of L-arginine (filed by NIH under arginine) (median 500 mg).
  • 96% of the 1,850 products that print an amount of glutamine list more than its 0.025 g of L-glutamine (filed by NIH under glutamine) (median 1 g).
  • 94% of the 1,250 products that print an amount of lysine list more than its 25 mg of L-lysine (filed by NIH under lysine) (median 500 mg).

The NIH database records 2 servings 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: 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
Suggested Usage: Take 2 capsules twice daily as needed.
Warnings
Not manufactured with wheat, gluten, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Allergens and what it does not contain
Not manufactured with wheat, gluten, milk, egg, fish, shellfish or tree nut ingredients.
Non-GMO

Source: label statements in DSLD label 335205.

What else is on the label?

Other ingredients: Hypromellose, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Triangle K (Kosher); GMP Quality Assured.

How many labels does Air Defense have?

3 labels are on file under this name since November 21, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335205 (current) Entered July 24, 2025 · on the market · 90 veg capsules · UPC 7 33739 03372 7
  2. Label 56125 Entered January 25, 2016 · off the market January 21, 2025 · 90 veg capsules · UPC 7 33739 03372 7
  3. Label 15216 Entered November 21, 2012 · off the market December 6, 2012 · 90 vcaps(R) · UPC 7 33739 03372 7

DSLD also links this label to: Air Defense With Paractin (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names NOW FOODS (manufacturer), Bloomingdale, IL. All NOW products.

Where next?