Ester-C® Effervescent (Natural Orange)

  • 1000 mg, 21 each
  • Item # 49534

Ester-C® Effervescent (Natural Orange)

  • 1000 mg, 21 each
  • Item # 49534

Ester-C® is a patented vitamin C formula, whose unique manufacturing process neutralizes pH, making it nonacidic and gentle on the stomach. Ester-C® Effervescent Vitamin C Packets offer powerful nutrition in a delicious, natural orange flavored formula. Just add one packet to water and you are good to go.

Ester-C® increases levels of vitamin C in the body, including the white blood cells, an important part of the immune system.1 Along with essential B vitamins and vital electrolytes to aid in hydration, Ester-C® Effervescent Formula has got you covered.

Benefits at a Glance:

  • A powerful antioxidant and free radical scavenger
  • Essential to the formation of collagen2
  • Protects against multiple environmental stresses3-7
SALE: $10.84
Save 0%
$0.52 / count

Frequently Bought Together

  • This Item: Ester-C® Effervescent (Natural Orange), 1000 mg, 21 each
  • Cat Mix, 100 grams

Total Price:


Why Life Extension?

100% Satisfaction Guarantee

Full one-year, no-hassle returns, money-back guarantee.

Highly Recommended

98% of our customers recommend us to family and friends. Life Extension is proud to be recognized as the #1 Catalog/Internet Merchant — 6 Time Winner.

Complimentary, Personalized Guidance

Medical doctors, nutritionists & other health professionals are passionate about providing personalized solutions to help you achieve optimal health.

Efficacious Formulas

40 years of research dedicated to bringing you premium, scientifically-validated formulations.

Product Transparency

99% of our products are manufactured in the U.S, and a Certificate of Analysis is available for every product we produce.

  1. Sauberlich HE et al. Ann N Y Acad Sci. 1975 Sep 30;258:438-50.
  2. MacKay D et al. Altern Med Rev. 2003 Nov;8(4):359-77.
  3. Vani K et al. Genet Test Mol Biomarkers. 2012 Sep;16(9):1001-6.
  4. Jin Y et al. Environ Toxicol Pharmacol. 2011 Jan;31(1):137-42.
  5. Ebuehi OA et al. Nig Q J Hosp Med. 2012 Apr-Jun;22(2):85-90.
  6. Nandi D et al. Toxicology. 2005 Jul 1;211(1-2):26-35. 
  7. Jin GH et al. Radiat Environ Biophys. 2007 Mar;46(1):61-8.

Serving Size 1 packet (10 g)

Servings Per Container about 21

Amount Per Serving



Total carbohydrate

6 g

Sugars 5 g
Vitamin C (as Ester-C® calcium ascorbate) 1,026 mg
Thiamin (vitamin B-1) (as thiamin hydrochloride) 0.38 mg
Riboflavin (vitamin B-2) 0.43 mg
Niacin (as niacinamide) 5 mg
Vitamin B-6 (as pyridoxine hydrochloride) 10 mg
Folic acid 12.5 mcg
Vitamin B-12 (as cyanocobalamin) 25 mcg
Pantothenic acid (as d-calcium pantothenate) 2.5 mg
Calcium (as Ester-C® calcium ascorbate, calcium carbonate, dicalcium phosphate and monocalcium phosphate) 150 mg
Phosphorus (as potassium phosphate and sodium phosphate) 150 mg
Magnesium (as magnesium hydroxide and magnesium carbonate) 60 mg
Zinc (as zinc ascorbate) 2 mg
Manganese (as manganese gluconate) 0.5 mg
Chromium (as chromium ascorbate) 5 mcg
Chloride (as sodium chloride) 93 mg
Sodium (as sodium chloride, sodium phosphate and sodium bicarbonate) 100 mg
Potassium (as potassium phosphate and potassium bicarbonate) 280 mg
Antioxidant health proprietary blend 58 mg
Stevia extract (stevia rebaudiana)(leaf), quercetin, alpha lipoic acid, glycine, L-aspartic acid, N-acetyl cysteine

Other Ingredients: fructose, maltodextrin, malic acid, citric acid, natural orange flavor, silica, beta-carotene (for color), vegetable cellulose.

Suitable for vegetarians. Non-GMO

No gluten, no yeast, no wheat, no milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no artificial sweetener or flavor. Beta-carotene added for color.

Dosage and Use
  • For adults, pour packet into 4-6 fl. oz. of water once daily. Stir or shake.


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. Store at room temperature. Do not use if packet is torn or open.

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Life Extension. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.

Immune Quiz

Answer a few questions to choose the right supplements

Related Products

Ester-C® Effervescent (Natural Orange)

1000 mg, 21 each


$0.52/count |