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Air Defense

product on market Capsule NOW Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 47% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains vitamins A, C, and E alongside zinc and magnesium, which are supported by strong evidence for supporting immune function and antioxidant defense. These nutrients help protect cells from oxidative stress and maintain mucosal integrity. The overall evidence coverage for this specific formulation is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Air Defense
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Veg Capsule(s)
Serving Size
45
Servings
Other Combinations
Product Type
47%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
1000 mcg (111% DV)
Vitamin C
500 mg (556% DV)
13 mg (87% DV)
Within RDA (0.9× RDA) 179 studies (A:3, B:90)
45 mg (11% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
10 mg (91% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
50 mcg (91% DV)
Within RDA (0.9× RDA) 173 studies (A:0, B:67)
1 mg (43% DV)
Within RDA (0.4× RDA) 9 studies — no high-quality reviews
Paractin (Andrographis paniculata) (aerial) extract
10 mg
67 mg
Market median: 175.0mg (497 products) 11 studies (A:0, B:1)
Market median: 400.0mg (380 products) 36 studies (A:1, B:10)
ImmunEnhancer
67 mg
Market median: 500.0mg (115 products)
Market median: 470.0mg (230 products) 9 studies (A:3, B:3)
Market median: 250.0mg (337 products) 127 studies (A:1, B:41)
25 mg
Market median: 500.0mg (143 products)
25 mg
Market median: 420.0mg (227 products)
25 mg
Market median: 500.0mg (159 products)

Other Ingredients

Hypromellose Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: Take 2 capsules twice daily as needed.

Warnings & Precautions

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.

Formulation Notes

NOW Air Defense is a blend of ingredients that promote healthy, all-season immune system and respiratory health. Air Defense features PARACTIN, a patented extract of Andrographis paniculata, which has been shown in scientific studies to support a healthy and balanced immune response. ImmunEnhancer, elderberry, echinacea, and astragalus botanical extracts have been included to support normal immune system function. Olive leaf extract has also been added to help maintain healthy respiratory function.

Not manufactured with wheat, gluten, milk, egg, fish, shellfish or tree nut ingredients.

Natural color variation may occur in this product.

Immune System Support Maintain Healthy Respiratory Function Year-Round Immune Support

Air Defense with PARACTIN

Non-GMO

Triangle K (Kosher)

Vitamin E from non-GMO soy.

Made and quality tested in the USA with globally sourced ingredients.

Additional Information

Triangle K (Kosher)

General Health Family owned since 1968

GMP Quality Assured

Metadata

Product Details

UPC / SKU7 33739 03372 7
DSLD Entry Date2025-07-24
Product TypeOther Combinations
FormCapsule
BrandNOW
DSLD ID335205
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
161
Meta Analysis
68
Systematic Review
51
Rct
48
Clinical Trial
2
Other
2
Regulatory Source
1
Narrative Review
1
Cochrane Review
1
Guideline
1
Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011 PubMed DOI
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016 PubMed DOI
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023 PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
View all evidence for Vitamin A →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.