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Healthy Immune Seasonal Immune Support

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin C is supported by strong evidence for its role in maintaining immune function and supporting cellular defense. Xylitol is utilized as a sweetener and may provide some oral health benefits. Overall, the evidence coverage for this specific ingredient profile is limited.

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

Label

Product Label

Label for Healthy Immune Seasonal Immune Support
Open Full PDF View on NIH DSLD →
Details

Label Data

4.5 Gram(s)
Serving Size
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
5 {Calories}
Total Carbohydrates
2 g (1% DV)
Sugar
Xylitol
1.5 g
Vitamin C
1 g (1667% DV)
1000 IU (250% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)
10 mg (67% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
70 mcg (100% DV)
1.3× RDA — within safe limits 173 studies (A:0, B:67)
EpiCor
250 mg
Market median: 800.0mg (172 products)
Market median: 175.0mg (497 products) 11 studies (A:0, B:1)
Market median: 500.0mg (115 products)

Other Ingredients

Xylitol BetterStevia Citric Acid Natural Flavors Beta-Carotene Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

SUGGESTED USAGE: As a dietary supplement, empty 1 packet into a 16.9 oz. bottle of water (or glass of water). For best results, take a couple of sips from the bottle of water before adding packet. Shake, or stir well until dissolved. Use 1 packet twice daily.

Additional Information

CODE 3366 V1

Metadata

Product Details

UPC / SKU7 33739 03366 6
DSLD Entry Date2012-11-21
Product TypeOther Combinations
FormPowder
BrandNOW
DSLD ID15189
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.