🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 65% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

3 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
65% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
15000 IU (300% DV)
Vitamin C
500 mg (833% DV)
400 IU (100% DV)
✅ Within RDA (0.7× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.01mg UL 0.1mg
60 IU (200% DV)
✅ 2.7× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 40.2mg UL 1000mg
50 mcg (63% DV)
✅ Within RDA (0.4× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.05mg
20 mg (1333% DV)
📊 16.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 20mg
30 mg (1765% DV)
📊 23.1× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 30mg
30 mg (150% DV)
✅ 2.1× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 30mg UL 35mg
20 mg (1000% DV)
📊 15.4× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 20mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
200 mcg (3333% DV)
📊 83.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.2mg
75 mcg (25% DV)
✅ 2.5× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.075mg
25 mg (250% DV)
📊 5.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 25mg
Calcium
200 mg (20% DV)
150 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.15mg UL 1.1mg
125 mg (31% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 125mg
10 mg (67% DV)
✅ Within RDA (0.9× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 10mg UL 40mg
50 mcg (71% DV)
✅ Within RDA (0.9× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.05mg UL 0.4mg
2 mg (100% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
200 mcg (167% DV)
📊 5.7× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.2mg
100 mcg (133% DV)
✅ 2.2× RDA — within safe limits 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.1mg UL 2mg
Potassium
75 mg (2% DV)
📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 25mg UL 3500mg
30 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 30mg
3 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 3mg UL 20mg
10 mg
📊 Market median: 108.0mg (8 products) 📚 9 studies (Tier A: 0, B: 4)
This product: 10mg
organic Horsetail
225 mg
50 mcg
📊 Market median: 0.5mg (6 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 0.05mg UL 1.8mg
FOS
200 mg
📊 Market median: 100.0mg (1 products) 📚 42 studies (Tier A: 1, B: 15)
This product: 200mg
📊 Market median: 500.0mg (497 products) 📚 132 studies (Tier A: 0, B: 40)
This product: 100mg
30 mg
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 30mg
📊 Market median: 420.0mg (127 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 30mg
Rosemary extract
75 mg
freeze-dried Broccoli
100 mg
freeze-dried Tomatoes
100 mg
freeze-dried Parsley
30 mg
freeze-dried Celery
30 mg

Other Ingredients

Dicalcium Phosphate Cellulose Stearic Acid Vegetable Magnesium Stearate Sodium Copper Chlorophyllin Hydroxypropyl Methylcellulose Titanium 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: 3 tablets daily preferably with meals or as directed by a healthcare professional.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dose.

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.

Allergy warning: Contains soy.

Keep out or reach of children.

🧪 Formulation Notes

Non GMO

Contains soy.

Additional Information

(A publicly traded company, symbol: ETST)

Made in USA

GMP Good manufacturing practice Quality assured

Non GMO

Do not use if safety seal is damaged or missing.

Store in a cool, dry place.

Product Details

UPC / SKU 8 57516 00562 9
DSLD Entry Date 2017-02-24
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 70580
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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