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Ester-C® 1000 mg with Citrus Bioflavonoids - 45 Vegetarian Tablets

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80 Reviews
Item Number: ETC1024
Serving Size: 1 Tablet Servings per Container: 45
Price per Serving:  $0.21 Price per Unit*: $0.21 per Tablet
* Price Per Unit may reflect product's price per capsule, tablet, ounce, fluid ounce, etc.
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Ester-C® is a unique breakthrough Vitamin C formula supported with naturally occurring metabolites. Metabolites help enhance the absorption of Vitamin C by your white blood cells‚ an important part of your immune system. Ester-C®’s unique‚ chemical-free manufacturing process neutralizes pH‚ making it non-acidic and gentle on the stomach.



These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose‚ treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.

  • MFG # 16983
  • UPC # 076630169837
Official Website: http://www.americanhealthus.com

Serving size: 1 Veg Tablets
Servings per container: 45

Amount per serving / %Daily Value
Vitamin C (as Ester-C Calcium Ascorbate) 1‚000 mg / 1‚111%
Calcium (as Ester-C Calcium Ascorbate) 110 mg / 8%
Citrus Bioflavonoids Complex 200 mg / **
Citrus Bioflavonoids (Citrus sinensis)(fruit)‚ Sweet Orange‚ Tangerine‚ Lime‚ Lemon‚ Acerola‚ Rutin‚ Hesperidin Complex (Citrus spp.)(fruit)‚ Naturally Occurring Vitamin C Metabolites.
**Daily Value not established.

Other Ingredients: Vegetable Cellulose‚ Calcium Silicate‚ Vegetable Stearic Acid‚ Vegetable Magnesium Stearate‚ Natural Palm Leaf Glaze.

No Gluten‚ Yeast‚ Wheat‚ Dairy (Milk or milk derivatives)‚ Lactose‚ Soy‚ Egg‚ Grapefruit‚ Sugar‚ Artificial color or flavor‚ and sodium.

Non GMO / Vegan / Vegetarian


For adults‚ Take one (1) vegetarian tablets once daily‚ preferably with a meal.


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.

Keep out of reach of children.

Store at room temperature. Do not use if seal under cap is broken or missing.


  • Dairy Free
  • Egg Free
  • Gluten Free
  • GMO Free
  • Lactose Free
  • Sodium Free
  • Soy Free
  • Sugar Free
  • Vegan
  • Vegetarian
  • Wheat Free
  • Yeast Free

Ratings and Reviews

Write a Review
  • 4.7
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5 80
  • 80 Reviews
    • Verified Buyer

      Have taken this for many years

      from COLORADO SPRINGS CO on 4/22/2022
      I used to get sinus infections taking this ever day keeps me from getting them

      Pros

      already stated above

      Cons

      do not dislike anything
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Great product

      from KULA,HI on 1/24/2022
      I like this product because it is easy on the stomach.
    • Verified Buyer

      Easy on the Stomach

      from Tampa, Florida on 12/04/2021
      I buy this for my husband and he is very happy with it. Easily absorbed and no stomach upset. Will continue to purcahse.

      Pros

      Great price for quality product. Easy on the stomach

      Cons

      None
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Not bad

      from usa on 8/04/2021
      Well there is not much to say about this other than it is vitamin c. The pills are not that big and there is no aftertaste. They are a bit pricy for the amount you get so I dont think they are worth the extra price.
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      LOVE THIS VITAMIN C

      from Ct on 7/03/2021
      Taking two 500mg daily

      Pros

      Cons

      No stomach upset, keeps you healthy
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Always a great choice!

      from North Las Vegas NV on 6/29/2021
      Love the assimilation of this product. My go-to for a C flush for extra protection or when I feel like I might be coming down with something.
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      I broke out in a rash!

      from Jurupa Valley California on 6/06/2021
      I've taken large doses of vitamin C since 1980 and I have never had a bad reaction. I've even used Ester-C before. Could it be that I have recently switched to Orange juice brands " Not From Concentrate"? I must have enough vitamin C in my body now. I just thought I'd bone up my immune system but no need for this supplement!

      Pros

      Cons

      I had been taking Emergency C powder packets up until 2016 and just felt I didn't need them. I guess I was right as I got no positive boost from the EsterC.
      0 of 1 people found the following review helpful.
    • Comments on this product

      from 9048 Spindletree Way Jacksonville,FL 32256 on 6/05/2021
      Ester-C500mg Citrus Bioflavonoids (Non-Acidic) is my favorite item. I have been taking this product for many years already. The result is excellent. I'll continue using this product for rest of my life.

      Pros

      The result is good for me.

      Cons

      So far everything is good for me.
      review-checkI would recommend this item to a friend.
      1 of 1 people found the following review helpful.
    • Comments on this product

      from 9048 Spindletree Way Jacksonville,FL 32256 on 6/05/2021
      Ester-C500mg Citrus Bioflavonoids (Non-Acidic) is my favorite item. I have been taking this product for many years already. The result is excellent. I'll continue using this product for rest of my life.

      Pros

      The result is good for me.

      Cons

      So far everything is good for me.
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Husband wants more!

      from Honolulu HI on 4/13/2021
      Allergy symptoms lessen with daily use of this supplement.

      Pros

      Additional bioflavinoids

      Cons

      none
      review-checkI would recommend this item to a friend.
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Your question(s) and our corresponding answer(s) will not be confidential and will be posted publically on this specific product page.

Additionally, PureFormulas is unable to directly recommend products in relation to specific health conditions. Please contact your trusted healthcare practitioner for direct product recommendations.

If you have any general questions regarding orders or our policies and programs, please contact our Customer Happiness Team @ 1.800.383.6008

If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Your healthcare professional is the best source for guidance before beginning an exercise or nutritional supplement program.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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