CL Answers

Risks of Too Many Vitamins & Supplements

Taking too many vitamin supplements -- or taking too much of a particular supplement -- can have short and long-term adverse effects.

Contamination of Dry Shampoos with Benzene — What You Need to Know

Benzene, a carcinogen, has been detected in several dry shampoo aerosol sprays. Find out which dry shampoos were found to contain benzene and how much was in each one, plus how tips for reducing your exposure to benzene.

Can zuPOO and its primary ingredient, cascara sagrada, cleanse the gut, improve digestion and help with weight management?

zuPOO is marketed for gut support and as a colon cleanser for weight management. Find out if research supports these claims and if ingredients in zuPOO are safe.

7 Supplements That May Boost Testosterone (And 7 That May Not)

Many supplements promise to increase testestorone, boost libido, and increase muscle size, but, as ConsumerLab explains, the actual effectiveness of supplements is limited, and some supplements may actually reduce testosterone levels.

Can any supplements reverse gray hair?

Nearly 75% of adults aged 45 to 65 are affected by gray hair. Learn about what causes gray hair and find out if any supplements can help.

Should you take olive oil as a supplement?

Although extra virgin olive oil has many possible health benefits, such as reduced risk of heart disease and improved blood sugar control, these and other benefits have been demonstrated when olive oil replaces for saturated fats in the diet, not when taken as a supplement, as we explain.

9 Supplements That May Help Reduce Nighttime Urination (And 4 That Might Not Help)

Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 4 others that don't.

How does Athletic Greens’ AG1 compare to multivitamins and Greens powders? Is AG1 worth it?

ConsumerLab reviews the ingredients in AG1, its safety and possible side effects, and how AG1 compares to other products.

6 Tips to Avoid Getting a Pill Stuck in Your Throat

Some pills can be difficult to swallow and can even become lodged in the throat or cause damage to the esophagus. Learn six practical tips to help avoid getting pills stuck in the throat.

Is Relief Factor likely to relieve aches and pains, and is it safe?

Find out if the dietary supplement Relief Factor is likely to help relieve aches and pains, if it is safe, and if it is worth the cost.