Immune Boost

product on market Capsule Natrol 🟢 Safety: 100/100
Brand: Natrol
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 40% of ingredients have research evidence
A Label Compliance Grade

Product Label

📄 Open Full PDF View on NIH DSLD →
📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

1 Capsule(s) Serving Size
30 Servings
Botanical with Nutrients Product Type
40% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
60 mg (70% DV)
50 mcg (250% DV)
📊 3.3× RDA — above typical dose (UL: 0.1 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.05mg UL 0.1mg
15 mg (140% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
SelenoExcell
200 mcg (360% DV)
EpiCor Super Food Yeast Complex
500 mg

Other Ingredients

Gelatin Maltodextrin Silicon Dioxide Magnesium Stearate Rice, Powder

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Children 4 or More Years of Age Adult (18 - 50 Years) Dairy Free

Product Information

📋 Directions for Use

Directions: Adults: Take 1 capsule, one time daily, with a meal. For children 9 years and older: Sprinkle the contents of 1 capsule, one time daily, into their favorite food.

⚠️ Warnings & Precautions

Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.

Keep out of reach of children.

Not recommended for children under 9 years old.

🧪 Formulation Notes

Natrol Immune Boost: EpiCor is a clinically studied immune-promoting yeast complex-a Super Food for immune health High potency Vitamin D-3, Selenium and Zinc support a healthy immune system

EpiCor has been clinically shown to support the activity of Natural Killer (NK) cells and other immune cells in a small group of healthy adults. NK cells are part of the body's natural immune defense.

Immune health Provides daily maintenance for stronger immune health

Made with EpiCor to promote immune function Includes immune boosting Vitamins C & D-3, Selenium & Zinc

No: milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, artificial colors or flavors, added sugar or preservatives

Additional Information

Store in a cool, dry place.

Product Details

UPC / SKU 0 47469 05744 2
DSLD Entry Date 2023-04-21
Product Type Botanical with Nutrients
Form Capsule
Brand Natrol
DSLD ID 287518
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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 Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
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 Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
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 →

Compare Similar Products

Vitamin C Ester Ascorbyl Palmitate
Vitamin C Ester Ascorbyl Palmitate OL Olympian Labs 100
Vitamin C 1000 mg
Vitamin C 1000 mg PurHEALTH 100
Ultra C Buffered New Sun 100
Black Elderbarry with Liposomal Vitamin C & Zinc
Black Elderbarry with Liposomal Vitamin C & Zinc SunVita Health 100
Natural Vitamin C Herbadiet 100
View all Vitamin C products →
Vitamin C research & evidence Best Vitamin C rankings All Vitamin C products More from Natrol View on NIH DSLD →