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Sambu Guard

product on market Lozenge Dr. Dunner Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin C and zinc have strong evidence for supporting immune function and reducing the duration of common colds. The proprietary blend has limited evidence regarding its specific efficacy in this formulation. Overall, these ingredients are generally recognized as safe for most adults.

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 Sambu Guard
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Lozenge(s)
Serving Size
Botanical with Nutrients
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
60 mg (100% DV)
10 mg (70% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
Proprietary Blend
163 mg

Other Ingredients

Cane Sugar Sucrose Maltodextrin Cellulose Silicon Dioxide Magnesium Stearate natural Elderberry flavor natural sour Cherry flavor Acerola fruit powder
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take one lozenge as needed every 3-4 hours. Let lozenge dissolve in mouth. Do not chew. Do not exceed 4 lozenges per day.

Warnings & Precautions

Store at room temperature and out of reach of children.

Warning: Consult a health care practitioner prior to use if you have an auto-immune disorder or are taking immunosuppressants.

Do not use if pregnant or breastfeeding.

Formulation Notes

Elderberry, echinacea, vitamin C and zinc

Additional Information

Store at room temperature and out of reach of children.

Swiss qaulity

Supports the immune system

GP10551.5150601

Metadata

Product Details

UPC / SKU7 611278 902236
DSLD Entry Date2017-04-25
Product TypeBotanical with Nutrients
FormLozenge
BrandDr. Dunner
DSLD ID73363
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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Vitamin C research Best Vitamin C All Vitamin C products More from Dr. Dunner 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.