Rx Vitamins   Acid Block (formerly GES-5) - 60 Chewable Tablets

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8 Reviews

"Very effective relief of heartburn!"  Read all reviews

Item Number: RX1034
Serving Size: 1 Tablet Servings per Container: 60
Price per Serving:  $0.35 Price per Unit*: $0.35 per Tablet
* Price Per Unit may reflect product's price per capsule, tablet, ounce, fluid ounce, etc.
29 In Stock.

This item will ship on Monday before 5PM EST.

days. Never run out.
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If you’re looking for a convenient supplement that might act to support the functioning of your GI tract‚ Rx Vitamins’ Acid Block Chewable Tablets may be right for you because they contain a wide array of helpful ingredients.

First‚ deglycyrrhizinated licorice (DGL) is an herb that may help address certain symptoms associated with minor peptic ulcers or acid reflux by working to coat and soothe the tissues in the stomach and intestines.

In addition‚ Acid Block Chewable Tablets contain slippery elm bark. Notably‚ slippery elm provides mucilage as well as antioxidants that might work to alleviate some signs of mild inflammatory bowel disease (IBD).

Moreover‚ the sodium alginate and alginic acid in this Rx Vitamins supplement—which are derived from brown algae—could potentially act to protect the lining of your esophagus from excess stomach acid. Therefore‚ Acid Block Chewable Tablets might work to alleviate certain symptoms associated with mild indigestion or heartburn.

Chew one or two vegetarian tablets after meals or before bed. At the standard serving size‚ each 60-tablet bottle of Acid Block Chewable Tablets by Rx Vitamins should last for up to two months.

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 # 4015
  • UPC # 008429040157
Official Website: http://rxvitamins.com

Serving Size: 1 Chewable Tablet
Servings Per Container: 60

Amount Per Serving / % DV

Calories 10
Total Carbohydrate 2 g
Sugars 2 g
Calcium Carbonate 30 mg
Alginic Acid 450 mg
Licorice (DGL) (Glycyrrhiza glabra Root) (Standardized <2 % [<10 % mg] Glycyrrhizin) 250 mg
Sodium Alginate 50 mg
Slippery Elm (Bark) (Standardized 20 % Phytosterols) 50 mg

Other Ingredients: Fruit Sugar‚ Proprietary FOS‚ Chicory Root/Mung Bean Extract‚ Stearic Acid.
Does Not Contain: Yeast‚ Dairy‚ Eggs‚ Gluten‚ Corn‚ Wheat‚ Starch‚ Artificial Colors or Preservatives.

As a dietary supplement‚ chew 1-2 tablets after meals or before retiring. For best results‚ drink a glass of water after chewing tablets.

Keep out of the reach of children.

  • Corn Free
  • Dairy Free
  • Egg Free
  • Gluten Free
  • Starch Free
  • Vegetarian
  • Wheat Free
  • Yeast Free

Ratings and Reviews

Write a Review
  • 4.5
5 8
  • 8 Reviews
    • An alternative to GERD medications

      from Staten Island on 5/05/2022
      I was placed on a GERD medication by my gastrointerologist. At one point, i had to stop taking the medication. Acid Block stopped a return of my GERD symptoms and I can take it without any side effects.


      Easy to use, no "stop by" date


      I don't like the fact that i have to take it, but I'm relieved that it's there for me.
      review-checkI would recommend this item to a friend.
    • Acid Block Review

      from florida on 12/29/2021
      It's the Best and excellent product which is really works.


      It taste Good


      The Size of tablet is too large
      review-checkI would recommend this item to a friend.
    • Help prevent acid reflux

      from New England on 7/25/2021
      The licorice coats and soothes while the alginate helps prevent reflux. Tried and true formula helped me through reflux years ago and again now with a recent flare-up. Most other "rafting" reflux products don't have enough alginate to be helpful. GES-5, now known as ACID BLOCK by Rx Vitamins contains as much as a 5ml dose of Gaviscon Advance, which is not available in the US. High quality at a reasonable price. Thank you Pure Formulas for selling this and shipping promptly!


      efficacy, portability


      A liquid formulation like Gaviscon Advance aniseed flavor would be ideal!!
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      good product

      from CAVE CREEK AZ on 3/04/2021
      working for my daughter who has acid reflux
      review-checkI would recommend this item to a friend.
    • Verified Buyer


      from Cleveland GA on 6/10/2019
      Very effective relief of heartburn!


      Easy to consume...tablets are easy to chew and swallow. Relieves heartburn pronto.


      No dislikes.
      review-checkI would recommend this item to a friend.
    • Not great

      from Trinity, Fl on 3/14/2017
      Purchased Acid Block (formerly GES-5) by Rx Vitamins so I wouldn't use antacids that have chemicals. I have GERD and LPR. I have used it for several nights and it didn't work as well as antacids. Hoping it will be better with time. It is also expensive for what you get.


      Easy to take.


      Not working well for symptoms of GERD and LPR.
    • Verified Buyer

      Acid Block

      from Upper midwest on 8/18/2016
      I have had really good results when taking Acid Block (formerly GES-5) by Rx Vitamins for indigestion and/or heartburn. The tablet has a pleasant taste and melts down quickly when chewed followed by a glass of water. It then takes away any discomfort you may have experienced when certain foods were eaten. Try it, you will like it.


      Pleasant taste, melts quickly and soothes and comforts stomach by cutting down acid.


      review-checkI would recommend this item to a friend.
    • Acid Block good for Reflux

      from Virginia on 10/23/2014
      Just taking 1 to 2 tablets of Acid Block by RX Vitamins before bed improved my reflux at night.
      review-checkI would recommend this item to a friend.

Customer Questions and Answers

1-1 of 1

  • Question:
    Does this product affect blood sugar?
    Peggy Hoy on 9/16/2014 Answer:
    • Hello, thank you for contacting PureFormulas. I advise you to contact your health professional to see if it affects blood sugar.
      Rosa on 9/24/2014

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