🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 55% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

10 Gram(s) Serving Size
21 Servings
Other Combinations Product Type
55% Evidence Coverage

Supplement Facts — Evidence Check

Calories
25 Calorie(s)
Total Carbohydrates
6 Gram(s) (2% DV)
Vitamin C
1026 mg (1710% DV)
0.38 mg (25% DV)
✅ Within RDA (0.3× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 0.38mg
0.43 mg (25% DV)
✅ Within RDA (0.3× RDA of 1.3 mg) 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 0.43mg
5 mg (25% DV)
✅ Within RDA (0.4× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 5mg UL 35mg
10 mg (500% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
12.5 mcg (3% DV)
📊 Market median: 667.0mg (446 products) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.0125mg UL 1.0mg
25 mcg (417% DV)
📊 10.4× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.025mg
2.5 mg (25% DV)
✅ Within RDA (0.5× RDA of 5 mg) 📚 1 studies — no high-quality reviews
RDA 5mg This product: 2.5mg
Calcium
150 mg (15% DV)
150 mg (15% DV)
✅ Within RDA (0.2× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 150mg UL 4000mg
60 mg (15% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 60mg
2 mg (13% DV)
✅ Within RDA (0.2× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 2mg UL 40mg
0.5 mg (25% DV)
✅ Within RDA (0.2× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 0.5mg UL 11mg
5 mcg (4% DV)
✅ Within RDA (0.1× RDA of 0.035 mg) 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.005mg
93 mg (3% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 93mg
Sodium
100 mg (4% DV)
Potassium
280 mg (8% DV)
Antioxidant Health Proprietary Blend
58 mg

Other Ingredients

Fructose Maltodextrin Malic Acid Citric Acid Contains Less Than 2% of

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (54% of products) Approved Health (3% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Take once a day!

Directions: For adults, pour packet into 4-6 fl. oz. of water once daily. Stir or shake.

Just take one packet daily with 4-6 fl. oz. of water and you are good to go!

⚠️ Warnings & Precautions

Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Not intended for use by persons under the age of 18. Keep out of reach of children.

Do not use if packet is torn or open.

🧪 Formulation Notes

The Better Vitamin C 1000 mg plus electrolytes

B Vitamins to support energy

100% vegetarian

Non-GMO No artificial sweeteners

Along with essential vitamins, such as B-6 and B-12 to support energy by converting food into energy and vital electrolytes to aid in metabolic hydration, Ester-C The Better Vitamin C Effervescent packets Formula has got you covered 24/7.

Non-GMO. No gluten, no wheat, no milk, no lactose, no artificial flavor, no artificial sweetener, no soy, no yeast, no fish.

Suitable for Vegetarians.

Additional Information

Clinically studied to last longer than regular vitamin C

24 Hour Immune Support

Effervescent

Patented immune health formula

21 - 10 g (.35 oz.) easy to pour packets

Prod No. 68480 00A B58880

Percent change (%) of Vitamin C in white blood cells over 24 hours Ester-C Regular Vitamin C

Store at room temperature.

White blood cells are an important component of the immune system.

Call toll free 1-866-417-0739 with questions or comments, Mon.-Sat., 9am-7pm EST.

Earth Pact 100% sweet cane paper

Tree Free No trees were used to produce this carton

Made in the USA with select ingredients from around the world

Product Details

UPC / SKU 0 25077 68480 9
DSLD Entry Date 2017-05-24
Product Type Other Combinations
Form Powder
Brand Ester-C
DSLD ID 73246
Data Updated 2026-04-11

Research Evidence

849 Research Sources
56 Avg Quality Score
450 Meta Analysis
152 Rct
137 Systematic Review
73 Clinical Trial
11 Regulatory Source
7 Other
7 Guideline
3 Openfda Safety
2 Cochrane Review
2 Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
View all evidence for Electrolytes →

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