Home/ Supplements/ Vitamin A/ Defense Maintenance

Defense Maintenance

product on market Capsule Nature's Sunshine Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, E, zinc, and selenium, which are supported by strong evidence for their roles in immune function and antioxidant protection. These ingredients help neutralize free radicals and support cellular health. However, the overall evidence coverage for this specific combination is limited.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

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

Label Data

2 Capsule(s)
Serving Size
60
Servings
Botanical with Nutrients
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
784 mcg RAE (87% DV)
Vitamin C
240 mg (267% DV)
88 mg (587% DV)
5.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
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)
Proprietary Blend
398 mg

Other Ingredients

Capsule Vegetable Magnesium Stearate Stearic Acid
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommended Use: Take 2 capsules with a meal twice daily.

Warnings & Precautions

Do not use if inner seal is missing or damaged.

Formulation Notes

We source the world's purest ingredients, no matter where they are grown, to ensure the active nutrients are delivered just as nature intended.

Immune system support

Vitamin & mineral blend enhanced with adaptogenic herbs

Guaranteed pure

Additional Information

Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.

Keep refrigerated.

New look! Same great product

Herbal experts since 1972

Metadata

Product Details

UPC / SKU0 99904 01654 5
DSLD Entry Date2021-09-24
Product TypeBotanical with Nutrients
FormCapsule
BrandNature's Sunshine
DSLD ID255232
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 →
Compare

Similar Products

Thyrosol
Metagenics · Capsule
100
Thyro Complex
Akasha Naturals · Capsule
100
START! Multi-Vitamin + Joints
Botanic Choice · Capsule
100
START! Multi-Vitamin + Vision
Botanic Choice · Capsule
100
START! Multi-Vitamin + Heart
Botanic Choice · Capsule
100
View all Vitamin A products →
Vitamin A research Best Vitamin A All Vitamin A products More from Nature's Sunshine View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.