Ester-C Effervescent 1000 mg Natural Orange
This product looks safe
- Folate: 20mg is 20.0× the Tolerable Upper Intake Level (1.0mg)
- 55% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyVitamin C, thiamine, and riboflavin are essential nutrients supported by strong evidence for maintaining immune function and cellular energy metabolism. These ingredients contribute to overall metabolic health, though the overall evidence coverage for this specific formulation is limited. The product maintains a high safety profile.
AI-generated summary based on research evidence. Not medical advice.
Safety Alerts
Folate: 20mg is 20.0× the Tolerable Upper Intake Level (1.0mg)
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
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Product Information
Directions for Use
Once a day is all you need.
Just take one packet daily with 4-6 fl. oz. of water and you are good to go!
Directions: For adults, pour packet into 4-6 fl. oz. of water once daily. Stir or shake.
Take once a day!
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 Ester-C Difference: Clinically studied to stay in white blood cells longer than regular vitamin c Unique formula with 24/7 immune support
Ester-C Effervescent Vitamin C packets offer 24-hour immune support in a delicious, natural orange flavored formula.
Unique Ester-C increases levels of Vitamin C in the body-- getting into white blood cells (an important part of you immune system), and staying there longer than regular vitamin C. One serving daily of 1000 mg of Ester-C delivers 24-hour immune support and potent antioxidant activity... 365 days a year.
Taken once a day, Ester-C has your immune health covered. It supports circulation, is beneficial to joints and connective tissues, and is involved in collagen formation, which forms the basis of healthy skin. As a potent antioxidant, it helps fight free radicals. Free radicals can cause oxidative stress, which may lead to premature aging of metabolic cells. Ester-C also aids in the nutritional absorption of iron and works with other nutrients to promote overall health.
Along with essential vitamins, such as B-6 and B-12 to support energy metabolism and vital electrolytes to aid in metabolic hydration, Ester-C Effervescent Formula has your immune support covered.
Along with essential vitamins, such as B-6 and B-12 to support energy metabolism and vital electrolytes to aid in metabolic hydration, Ester-C Effervescent Formula has got you covered.
No gluten, no yeast, no wheat, no dairy, no lactose, no soy, no egg, no grapefruit, no artificial sweetener, no peanuts, no tree nuts, no fish.
Natural orange flavor, beta-carotene added for color.
Non-GMO.
Vegetarian/vegan
One packet provides as much vitamin C as 10 oranges
Plus electrolytes Unique Vitamin C formula B vitamins to support energy metabolism
24-hour immune support
Vegan
Non-GMO No Artificial sweeteners
Additional Information
Ester-C The better vitamin C
Now more than ever, trust your immune health to Ester-C.
Store at room temperature.
^ Food is the best source of nutrients, but supplements can help. Based on USDA.gov nutrient database for 1 large, raw orange.
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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.