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Herbal Immune Support Formula

product on market Capsule Royal Guard Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 44% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamins A, C, and E are well-documented antioxidants that support immune function. Echinacea and olive leaf extract have been studied for their antimicrobial properties, though evidence for their efficacy varies from moderate to limited. Overall, these ingredients are generally recognized as safe for consumption.

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

Label

Product Label

Label for Herbal Immune Support Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
Other Combinations
Product Type
44%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
5000 IU (100% DV)
Vitamin C
150 mg (250% DV)
50 IU (167% DV)
2.2× RDA — within safe limits 179 studies (A:3, B:90)
7.5 mg (50% DV)
Market median: 500.0mg (115 products)
25 mg
Market median: 400.0mg (380 products) 36 studies (A:1, B:10)
25 mg
Market median: 470.0mg (230 products) 9 studies (A:3, B:3)
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Red Wine Concentrate
25 mg
25 mg
Market median: 450.0mg (254 products) 243 studies (A:0, B:100)
25 mg
Market median: 500.0mg (497 products) 135 studies (A:0, B:40)
12.5 mg
Market median: 650.0mg (87 products) 1 studies — no high-quality reviews
Pau d'Arco
12.5 mg
Goldenseal
12.5 mg
Shiitake Mushroom
7.5 mg
2.5 mg
Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
Bioperine
2.5 mg

Other Ingredients

Microcrystalline Cellulose Silica Vegetable Cellulose purified Water
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: As a dietary supplement, take one pack daily.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

Formulation Notes

HYPOALLERGENIC: contains no milk, egg, fish, crustacean shellfish, tree nuts, wheat, peanuts or soybeans. Contains no artificial colors or preservatives.

GLUTEN FREE

Vegetarian

Hypoallergenic

Additional Information

HERBAL IMMUNE SUPPORT FORMULA

For daily immune reinforcement and take-along convenience, look to Royal Guard Immune Wellness Daily Packs!

KEEP TIGHTLY CLOSED IN A COOL, DRY PLACE.

PRODUCT NO.10034

DreamQuest Nutraceuticals, a leader in natural product innovation, offers an arsenal of nutrients to reinforce your immune system for optimal health and well-being!

Metadata

Product Details

UPC / SKU8 79610 00051 5
DSLD Entry Date2012-11-21
Product TypeOther Combinations
FormCapsule
BrandRoyal Guard
DSLD ID15516
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.