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In 2022, we reported that benzene (a carcinogen) was found in many dry shampoos.
A company that sells several of these products recently announced a cash
settlement for consumers. For details, see our article about benzene in dry
shampoos.




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cramps in older men and women. For details (including the form, dose, and dosing
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includes our Top Picks among vitamin K supplements.




COVID AND FLU HOME TESTS COMPARED

There are now 38 different COVID-19 home antigen tests (7 that also test for
flu), but we found big differences in how well they detect COVID (ranging from
59.7% to 96.6% sensitivity) and avoid false negatives. See our comparison chart
and learn our Top Picks for testing for COVID and COVID/Flu.




ARSENIC IN WATER LINKED TO HEART DISEASE

Long-term exposure to arsenic in drinking water was linked to increased risk of
ischemic heart disease in women, according to a recent study. Get the details in
our Water Filter Pitchers Review. Also see how popular water filter pitchers
compare on their ability to remove arsenic from water.




SCURVY AFTER STOMACH SURGERY

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includes our Top Picks for vitamin C.




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WHICH SUPPLEMENTS ARE IMPORTANT AFTER BARIATRIC SURGERY (I.E., WEIGHT LOSS OR
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Find out which supplements may help after weight loss or stomach reducing
surgery, including iron and calcium, and which should be avoided.




I TAKE OMEPRAZOLE (PRILOSEC), A PROTON PUMP INHIBITOR, TO REDUCE STOMACH ACID.
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Supplement interactions with proton pump inhibitor (PPI) drugs like omeprazole
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JUST ONE DOSE OF A HORSE CHESTNUT EXTRACT (STANDARDIZED TO 20% AESCIN) CAUSED ME
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Find out if horse chestnut extract side effects, including gastrointestinal
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chestnut.




DO ANY SUPPLEMENTS, FOODS, OR OILS HELP REDUCE MUSCLE PAIN, MUSCLE CRAMPS, OR
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Find out which supplements, and topical products such as magnesium creams, can
help reduce muscle pain, leg cramps, and nighttime leg cramps, and which may
worsen muscle cramps. Also, learn about vitamin and mineral deficiencies and
common medications that can cause muscle cramps and nocturnal leg cramps.


All CL Answers


POPULAR THIS WEEK


CARCINOGEN IN DRY SHAMPOO – LEGAL SETTLEMENT

In 2022, we reported that benzene (a carcinogen) was found in many dry shampoos.
A company that sells several of these products recently announced a cash
settlement for consumers. For details, see our article about benzene in dry
shampoos.




THIS MAY REDUCE LEG CRAMPS

A recent study found high-dose vitamin K to dramatically reduce nighttime leg
cramps in older men and women. For details (including the form, dose, and dosing
regimen) see the What It Does section of our Vitamin K Supplements Review, which
includes our Top Picks among vitamin K supplements.




COVID AND FLU HOME TESTS COMPARED

There are now 38 different COVID-19 home antigen tests (7 that also test for
flu), but we found big differences in how well they detect COVID (ranging from
59.7% to 96.6% sensitivity) and avoid false negatives. See our comparison chart
and learn our Top Picks for testing for COVID and COVID/Flu.




ARSENIC IN WATER LINKED TO HEART DISEASE

Long-term exposure to arsenic in drinking water was linked to increased risk of
ischemic heart disease in women, according to a recent study. Get the details in
our Water Filter Pitchers Review. Also see how popular water filter pitchers
compare on their ability to remove arsenic from water.




SCURVY AFTER STOMACH SURGERY

A man developed scurvy (due to vitamin C deficiency) years after undergoing
gastric sleeve surgery. Be aware of this and other risk factors for vitamin C
deficiency, in the Deficiency section of our Vitamin C Supplements Review, which
includes our Top Picks for vitamin C.




RECENT ANSWERS


WHICH SUPPLEMENTS ARE IMPORTANT AFTER BARIATRIC SURGERY (I.E., WEIGHT LOSS OR
STOMACH-REDUCING SURGERY)? ARE THERE ANY I SHOULD AVOID?

Find out which supplements may help after weight loss or stomach reducing
surgery, including iron and calcium, and which should be avoided.




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.




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.




JUST ONE DOSE OF A HORSE CHESTNUT EXTRACT (STANDARDIZED TO 20% AESCIN) CAUSED ME
TO HAVE SIGNIFICANT NAUSEA AND VOMITING. MIGHT THERE BE A PROBLEM WITH THE
PRODUCT?

Find out if horse chestnut extract side effects, including gastrointestinal
discomfort such as nausea and vomiting, and other safety information about horse
chestnut.




DO ANY SUPPLEMENTS, FOODS, OR OILS HELP REDUCE MUSCLE PAIN, MUSCLE CRAMPS, OR
NIGHTTIME LEG CRAMPS?

Find out which supplements, and topical products such as magnesium creams, can
help reduce muscle pain, leg cramps, and nighttime leg cramps, and which may
worsen muscle cramps. Also, learn about vitamin and mineral deficiencies and
common medications that can cause muscle cramps and nocturnal leg cramps.


All CL Answers


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CLINICAL UPDATES

 * November 01, 2024
   
   
   COVID AND FLU HOME TESTS COMPARED

 * November 01, 2024
   
   
   ARSENIC IN WATER LINKED TO HEART DISEASE

 * October 31, 2024
   
   
   SCURVY AFTER STOMACH SURGERY

 * October 28, 2024
   
   
   ALOPECIA AREATA

 * October 28, 2024
   
   
   CONCERN WITH CORDYCEPS

All Clinical Updates


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See Your Nutrient Values


CLINICAL UPDATES

 * November 01, 2024
   
   
   COVID AND FLU HOME TESTS COMPARED

 * November 01, 2024
   
   
   ARSENIC IN WATER LINKED TO HEART DISEASE

 * October 31, 2024
   
   
   SCURVY AFTER STOMACH SURGERY

 * October 28, 2024
   
   
   ALOPECIA AREATA

 * October 28, 2024
   
   
   CONCERN WITH CORDYCEPS

All Clinical Updates


RECALLS & WARNINGS

 * October 10, 2024
   
   
   SEAWEED RECALLED DUE TO ALLERGEN RISK

 * October 08, 2024
   
   
   AK FORTE JOINT PAIN SUPPLEMENT RECALLED

 * October 03, 2024
   
   
   HIGH THC, TOXIC HEAVY METALS, AND PSILOCYBIN FOUND IN HEMP PRODUCTS

 * September 24, 2024
   
   
   MANUFACTURER OF MUSHROOM GUMMIES WARNED BY FDA FOR VIOLATIONS

 * September 24, 2024
   
   
   SUPPLEMENT FOR ECZEMA RECALLED

All Recalls


UPCOMING REVIEWS

 * Whole Grains
 * Joint Health Supplements
 * Flaxseed and Other Seed Oils (as sources of ALA and GLA)
 * Zinc Supplements
 * Nutritional Yeast
 * Black Cumin Seed Oil


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RECALLS & WARNINGS

 * October 10, 2024
   
   
   SEAWEED RECALLED DUE TO ALLERGEN RISK

 * October 08, 2024
   
   
   AK FORTE JOINT PAIN SUPPLEMENT RECALLED

 * October 03, 2024
   
   
   HIGH THC, TOXIC HEAVY METALS, AND PSILOCYBIN FOUND IN HEMP PRODUCTS

 * September 24, 2024
   
   
   MANUFACTURER OF MUSHROOM GUMMIES WARNED BY FDA FOR VIOLATIONS

 * September 24, 2024
   
   
   SUPPLEMENT FOR ECZEMA RECALLED

All Recalls

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