Immune Support

product on market Capsule ETST Earth Science Tech 🟢 Safety: 100/100
Brand: ETST Earth Science Tech
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 45% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
45% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
30 mg (50% DV)
30 IU (100% DV)
✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 20.1mg UL 1000mg
20 mcg (29% DV)
✅ Within RDA (0.4× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.02mg UL 0.4mg
Graviola
300 mg
Red Raspberry extract
200 mg
200 mg
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 200mg
100 mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 100mg
Beta-Glucan
100 mg
20 mg
📊 Market median: 450.0mg (130 products) 📚 1 studies — no high-quality reviews
This product: 20mg
20 mg
📊 Market median: 500.0mg (497 products) 📚 132 studies (Tier A: 0, B: 40)
This product: 20mg
20 mg
📊 Market median: 450.0mg (390 products) 📚 155 studies (Tier A: 0, B: 63)
This product: 20mg
2 mg
📊 Market median: 10.0mg (35 products) 📚 5 studies (Tier A: 0, B: 2)
This product: 2mg
50 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 50mg
Pine
100 mg
Grape
100 mg
50 mg
📊 Market median: 250.0mg (182 products) 📚 10 studies (Tier A: 0, B: 2)
This product: 50mg
Herbal Complex
100 mg
Mushroom Complex (Non-Nutrient/Non-Botanical)
80 mg
Arabinogalactan
20 mg
50 mg
📊 Market median: 500.0mg (115 products)
Median 500.0mg This product: 50mg

Other Ingredients

Gelatine Microcrystalline Cellulose Vegetable Magnesium Stearate Silicon Dioxide

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested use: 2 capsules daily preferably with meals or as directed by a healthcare professional.

⚠️ Warnings & Precautions

Allergen warning: Contains soy.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Non GMO

Contains soy.

Additional Information

Caution: Do not exceed recommended dose.

Store in a cool, dry place.

(A publicly traded company, symbol: ETST)

Made in USA

GMP Good manufacturing practice Quality assured

Non GMO

Product Details

UPC / SKU 0 857516 00566 7
DSLD Entry Date 2017-02-24
Product Type Other Combinations
Form Capsule
Brand ETST Earth Science Tech
DSLD ID 70541
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 →

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