Product Reviews and Information for Indigestion
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CL Answer
Which supplements, foods or diet and lifestyle changes help relieve acid reflux (heartburn), and which worsen it?
Find out which supplements and foods can help relieve acid reflux, and which can make it worse.

Product Review
Turmeric and Curcumin Supplements and Spices Review
See Our Top Picks Among Turmeric Products

Product Review
Alginate Supplements Review (For Reflux)
See Our Top Pick Alginate Supplements For Reducing Symptoms of Gastroesophageal Reflux (GERD)

CL Answer
Are Hormone Harmony and other Happy Mammoth Supplements Worth Taking?
Are the supplements Hormone Harmony, Hormone Harmony Plus+, Prebiotic Collagen Protein, or Bloat Banisher by Happy Mammoth likely to be beneficial for menopause symptoms or digestive health? Find out.

Product Review
Ginger Supplements, Chews & Spices Review
Tests Reveal Best and Worst Ginger Supplements & Spices. Poor Quality and Lead Contamination Discovered in Some Products.

Product Review
Digestive Enzyme Supplements Review
Big Differences in Strength Found Among Digestive Enzyme Supplements. CL Tests Reveal Which Are Best.

CL Answer
What is Prelief? Does it really help for heartburn and/or bladder pain from acidic foods?
Prelief information, including what it has been claimed to do (such as helping with painful bladder, frequent urination, heartburn or indigestion from acidic foods), clinical evidence, and safety.
CL Answer
Is it true that low-carb or Mediterranean diets help for gastroesophageal reflux disease (GERD)?
Find out if a low-carb diet, such as the Mediterranean diet, or lifestyle changes help with gastroesophageal reflux disease (GERD).

CL Answer
I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?
Supplement interactions with proton pump inhibitor (PPI) drugs like omeprazole (Prilosec) and Nexium.

CL Answer
I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?
Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.

Product Review
Olive Leaf Extract Supplements Review
Learn What Olive Leaf Does and the Best Brands

Product Review
Probiotic Supplements Review (Including Pet Probiotics)
See What's Really in Probiotics and Our Top Picks

CL Answer
I have IBS and don't want to take medication if I can help it. I've heard that peppermint works for IBS, but is there good research to support this?
Information about using peppermint oil for irritable bowel syndrome (IBS), including clinical evidence, dosage, safety and more.

CL Answer
Which supplements or OTC medications help reduce flatulence (gas), and are there any that make it worse?
Find out which supplements may help reduce flatulence (gas), and learn which supplements or foods may worsen symptoms of flatulence.

CL Answer
Which supplements are helpful to have when traveling? Any tips on how to best store supplements on trips?
Find out which vitamins & supplements can be helpful when traveling, including melatonin, ginger, and more, and find out how you can carry them with you.

News Release
February 22, 2022
Considering an Algae-based Supplement for Reflux? See What ConsumerLab Found
White Plains, New York, February 22, 2022 — Alginate supplements have been shown to be more effective than antacids in treating heartburn, indigestion, and other symptoms of GERD (gastrointestinal esophageal reflux disease).
CL Answer
Schisandra Berry Supplements: Health Benefits and Safety
Schisandra berry extracts and supplements are promoted to improve mood and sleep, liver health, muscle strength, and symptoms of menopause. Find out if they work and are safe, including side effects and drug interactions.

CL Answer
Dandelion Tea & Supplements: Health Benefits and Safety
Find out about the potential health benefits of dandelion tea and supplements, as well as safety, side effects, and potential drug interactions.

CL Answer
Which supplements and foods help relieve constipation and which can cause constipation?
Find out which supplements can cause constipation, including iron, calcium, protein powders and drinks and others. ConsumerLab.com's answer explains.

CL Answer
A tea called Throat Coat made me lethargic and I was found to have low potassium. Is this a known problem? I was drinking 5 cups a day.
Throat Coat tea information, including licorice root content, potassium loss, and symptoms such as lethargy, increased blood pressure and fluid retention. ConsumerLab.com's answer explains.

News Release
September 27, 2019
Best Turmeric and Curcumin Supplements and Spices Identified by ConsumerLab
White Plains, New York, September 27, 2019 — Turmeric and curcumin (the major compound in turmeric) are among the most popular supplements, promoted to reduce inflammation and help with conditions such as arthritis as well as indigestion and depression.
News Release
May 15, 2019
ConsumerLab Tests Reveal Big Differences in Digestive Enzyme Supplements
White Plains, New York, May 15, 2019 — Digestive enzyme supplements can help improve digestion and the absorption of nutrients, and may reduce symptoms of indigestion. But to work, they must provide a certain amount of enzyme activity.
News Release
April 04, 2017
ConsumerLab.com Reveals Best and Worst Turmeric and Curcumin Supplements & Spices -- 31% Fail ConsumerLab.com Tests of Quality
White Plains, New York, April 4, 2017 — Turmeric and its key compound, curcumin, may be help reduce symptoms of inflammation in rheumatoid arthritis and osteoarthritis and may be helpful in treating depression, diabetes, and indigestion.
News Release
December 16, 2013
What's Really in Turmeric Supplements and Spices? You May Not Want to Know -- 33% of Turmeric/Curcumin Supplements Fail ConsumerLab.com's Review; Filth Found in Spices
White Plains, New York, December 16, 2013 — Supplements containing the herb turmeric or its key constituent, curcumin, are popular treatments for inflammatory diseases. ConsumerLab.
News Release
February 16, 2011
Some turmeric and curcumin supplements fail quality review -- ConsumerLab.com finds 20% of turmeric supplements selected for review deliver less than 15% of promised compounds
WHITE PLAINS, NEW YORK — FEBRUARY 16, 2011 — Supplements containing the herb turmeric or its key compound, curcumin, have become popular in the U.S. ConsumerLab.com cautioned today that two out of ten turmeric products recently selected for quality testing were found to provide only 7.
Recalls & Warnings
March 30, 2021
Real Water Alkaline Water Recalled for Possible Link to Liver Illness
On March 24, 2021, Real Water, Inc. recalled all sizes of Real Water bottled alkaline water because it may be linked to multiple cases of non-viral hepatitis that occurred in Las Vegas, NV in November of 2020.
Recalls & Warnings
February 04, 2020
Seller of Digestion Supplements Warned for Manufacturing Violations
On January 10, 2020, the FDA issued a warning letter to Marco Pharma International LLC, which found the company's Absinthium Herbal Liquid Extract 100 ml (Absinthium), promoted for "digestive support", and other products, including S21 Multi Somaplex 100 ml (Multi Somaplex), ...
Recalls & Warnings
March 18, 2021
Don't Drink Real Water Alkaline Water, FDA Warns After Reports of Liver Illness
On March 16, 2021, the FDA warned consumers not to drink or use Real Water bottled alkaline water while it investigates reports of hepatitis associated with the product.
Recalls & Warnings
December 08, 2009
Warning on Acai Berry Supplements Spiked with Drug
On December 8, 2009, Health Canada (the Canadian health agency) advised consumers not to use certain Acai Berry products after a large number of shipments of adulterated products were stopped at the border.