Health & Wellness

The Best Antacids

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Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Heartburn and indigestion can disrupt your day, making the right antacid crucial for quick relief. Choosing an effective antacid ensures you can return to your normal activities without discomfort. Understanding key features will help you find the best option for your specific needs.

SaleNo. 1
Amazon Basic Care Chewy Bites Chewable Antacid Tablets, Ultra Strength Heartburn Relief, Acid Indigestion...
  • Chewy Not Chalky: Fast-acting relief for heartburn, acid indigestion, upset and sour stomach from 750 mg of calcium carbonate in an enjoyable product form
  • Full of Flavor: Delicious lemon, orange, and strawberry flavors are easily accessible in an easy-to-open flip cap bottle. Adults and children 12 years and up can take 1-2 chewable tablets every 2-4 hours as needed.
  • Same Benefits, Lower Cost: Amazon Basic Care Antacid Fruit Chews are formulated to include the same active ingredients and provide the same relief as the name brand
  • This product was previously a Sound Health product. Now it’s a part of the Amazon Basic Care Brand, the product is the exact same formulations, size, and quality.
No. 2
berkley jensen Ultra Strength Antacid Tablets Chewable - 1000mg Calcium Carbonate Antacids for Heartburn, Acid...
  • INSTANT RELIEF ANTACID TABLETS: When heartburn or indigestion strikes unexpectedly, especially after a hearty meal or a spicy treat, it can disrupt your day in an instant. Berkley Jensen ultra strength antacid chewable tablets with 1000mg of Calcium...
  • Ultra Strength, Happy Stomach: With 1000mg of Calcium Carbonate USP, each antacid chew offers 400mg of Elemental Calcium to neutralize stomach acid right at the source. Our calcium carbonate antacid ease discomfort from heartburn, indigestion, and sour...
  • Safe and Conscious Formula: Our chewable antacids are made in a facility that adheres to strict quality protocols and are free from gluten and dairy. Suitable for adults and children aged 12 and older, our antacid extra strength formula delivers reliable...
  • Delicious Berry Flavors Chews: Our berry-flavored anti acid relief tablets combine natural and artificial flavors, making them effective and delicious. With easy-to-chew texture, our indigestion relief tablets feel less like medicine and more like a...
No. 3
TUMS Ultra Strength Chewable Antacid Tablets for Heartburn Relief and Acid Indigestion Relief, Assorted...
  • Comes in a container
  • Reduces stomach acid
  • Take two or three
  • Instantly neutralizes acid
No. 4
MAJOR Regular Strength Antacid Tablets, 150 Chewable Count (2-Pack)
  • ANTACID: Major Calcium Carbonate 500 mg chewable tablets help relieve acid indigestion, heartburn, sour stomach, and upset stomach associated with these symptoms.
  • ACTIVE INGREDIENT: Each chewable tablet contains calcium carbonate USP 500 mg as an antacid. Store at room temperature.
  • HOW TO USE: Adults and children 12 years of age and over: chew 2-4 tablets as symptoms occur or as directed by a doctor. Do not swallow the tablets whole. Do not take for symptoms that persist for more than 2 weeks unless advised by a doctor.
  • QUALITY FORMULATION: We maintain high standards of care through strict regulatory compliance to deliver carefully formulated antacid tablets.
No. 5
TUMS Extra Strength Assorted Berries Antacid Tablets for Heartburn Relief, 96 count
  • Contents: 1 bottle containing 96 TUMS Chewable Antacid Tablets for Extra Strength Heartburn Relief in easy to take, delicious assorted berry flavors
  • Multi-Symptom Relief: This heartburn and acid indigestion medicine treats the four signs of heartburn: burning in the chest, acid indigestion, sour stomach and upset stomach associated with these symptoms
  • Fast and Powerful Strength: Nothing works faster! These TUMS antacid tablets go to work instantly by starting to neutralize acid on contact
  • Gluten Free and Kosher: This heartburn and acid indigestion remedy has the active ingredient 750 mg calcium carbonate
SaleNo. 6
Amazon Basic Care Omeprazole Delayed Release Tablets 20 mg, Treats Frequent Heartburn, Acid Reducer, Heartburn...
  • ACTIVE INGREDIENT: The active ingredient in these delayed release tablets is omeprazole 20 mg, which works as an acid reducer to treat frequent heartburn. Compare to Prilosec OTC
  • TREATS FREQUENT HEARTBURN: Amazon Basic Care Omeprazole Delayed Release Tablets 20 mg treat frequent heartburn that occurs 2 or more times a week
  • ACID REDUCER: Amazon Basic Care Omeprazole Delayed Release Tablets 20 mg is a Proton Pump Inhibitor (PPI) that deactivates pumps in the stomach lining to inhibit acid production at the source.
  • 14-DAY COURSE OF HEARTBURN TREATMENT: Taken once every 24 hours for 14 days, Amazon Basic Care Omeprazole Delayed Release Tablets 20 mg is not intended for immediate relief of heartburn and may take 1 to 4 days for full effect.
No. 7
TUMS Chewy Bites Antacid Tablets, Heartburn Relief, Mixed Fruit, 200 Count
  • Contents: One 200 ct bottle of Ultra Strength Chewy Bites Antacid Tablets for Chewable Heartburn Relief in mixed fruit flavors (cherry, raspberry, and orange) with a tasty outer shell and soft center in a portable, resealable bottle
  • Multi-symptom Relief: This heartburn medicine treats the four signs of heartburn: burning in the chest, acid indigestion, sour stomach and upset stomach associated with these symptoms
  • Fast and Powerful Strength: Nothing works faster; these TUMS Ultra Strength Mixed Fruit Chewy Bites antacid tablets go to work instantly by starting to neutralize acid, with double the acid fighting power per tablet as TUMS Regular Strength
  • Gluten Free: This heartburn and acid indigestion remedy has the active ingredient 1000 mg calcium carbonate
SaleNo. 8
Amazon Basic Care Heartburn & Gas SuperChews Chewable Tablets, Fast-Acting Relief, Mixed Berry, 82 Count...
  • Chewy Not Chalky: Fast-acting relief for heartburn, gas, sour stomach, and bloating from 750 mg of calcium carbonate and 80 mg of Simethicone in an enjoyable product form
  • Full of Flavor: Delicious mixed berry flavors are easily accessible in an easy-to-open flip cap bottle. Adults and children 12 years and up can take 1-2 chewable tablets every 2-4 hours as needed.
  • Same Benefits, Lower Cost: Amazon Basic Care Antacid Fruit Chews are formulated to include the same active ingredients and provide the same relief as the name brand, but at a lower price to consumers
  • This product was previously a SoundHealth product. Now it’s a part of the Amazon Basic Care Brand, the product is the exact same formulations, size, and quality.
SaleNo. 9
Prilosec OTC, Omeprazole 20mg, Medicine, Acid Reflux Medicine, 24 Hour Relief, 42 Tablets
  • BLOCKS DAYTIME & NIGHTTIME HEARTBURN: Enjoy your day with one Prilosec OTC 20mg Omeprazole pill a day and have a restful night’s sleep.*
  • STARTS TO WORK ON DAY 1: Experience zero heartburn with 1 Prilosec OTC Omeprazole pill a day.*
  • TRUSTED OMEPRAZOLE 20MG FORMULA: Delayed-release Omeprazole is an acid reducer that provides 24 hour long-lasting, heartburn relief.*
  • WORKS DIFFERENTLY THAN ANTACIDS: Omeprazole prevents excess acid production that can cause heartburn, so you can enjoy the good life.*
No. 10
TUMS Antacid Chewable Tablets, Heartburn Relief, Peppermint, 160 Count
  • Contents: 160 TUMS Ultra Strength Chewable Antacid Tablets for Heartburn Relief with a refreshing peppermint flavor
  • Multi-symptom relief: Tablets work quickly to relieve heartburn, sour stomach, acid indigestion and upset stomach associated with these symptoms
  • Fast and powerful strength: Nothing works faster! These ultra strength TUMS antacid tablets go to work instantly by starting to neutralize acid on contact, with 33 percent more acid fighting power per tablet (compared to Extra Strength TUMS)
  • Gluten free and kosher pareve: Antacid chewable tablets with the active ingredient calcium carbonate

Last update on 2026-10-14 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Antacids

Key Factors to Consider When Buying Antacids

When selecting an antacid, consider the following:
  • Active Ingredients: Different active ingredients target heartburn in various ways. Calcium carbonate, magnesium hydroxide, aluminum hydroxide, and sodium bicarbonate are common. Calcium carbonate provides rapid relief but can cause constipation. Magnesium hydroxide offers fast relief but can have a laxative effect. Aluminum hydroxide works more slowly and can also cause constipation. Sodium bicarbonate (baking soda) is fast-acting but can cause gas and bloating. Many antacids combine ingredients to balance effectiveness and side effects.
  • Formulation and Dosage: Antacids come in various forms, including chewable tablets, liquids, and dissolvable powders. Chewable tablets are convenient for on-the-go relief, while liquids generally work faster due to quicker absorption. Consider your preference and how quickly you need relief. Always follow the dosage instructions on the product label to avoid overconsumption.
  • Specific Needs and Sensitivities: If you have other health conditions, such as kidney disease, consult your doctor before choosing an antacid, as certain ingredients may be contraindicated. Some formulations may also contain ingredients like artificial sweeteners or flavors that could cause sensitivities. Look for products that cater to your individual dietary needs or preferences.

Frequently Asked Questions

How quickly do antacids work?
Most antacids begin to provide relief within minutes of consumption. Liquids often work slightly faster than chewable tablets because they are absorbed into the bloodstream more rapidly.
Can I take antacids every day?
Occasional use of antacids is generally safe for most individuals. However, frequent or daily use may mask a more serious underlying condition and should be discussed with a healthcare professional.
Are there side effects associated with antacids?
Common side effects can include constipation, diarrhea, gas, and bloating, depending on the active ingredients. For example, calcium-based antacids can cause constipation, while magnesium-based ones may cause diarrhea.
When should I see a doctor about heartburn?
You should consult a doctor if you experience frequent heartburn (more than twice a week), difficulty swallowing, or if your symptoms persist despite using over-the-counter remedies. These could be signs of a more serious condition like GERD.

How we compare Health & Wellness

1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
3 Price: we check the current price and highlight notable deals.
4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

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