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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.

Too Many Vitamins

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.

Dry Shampoo

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.

Chalkboard sign that says low testosterone sitting on a table in front of a book and supplements

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.

A toilet in an empty bathroom at night

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.

Olive oil being poured into a spoon being held over a bowl

6 Red Flags to Watch Out For When Buying Vitamins & Supplements

When it comes to buying vitamins and supplements, it's buyer beware. ConsumerLab explains six red flags to look out for on labels when choosing and buying vitamins or supplements, including claims of "FDA Approved" laboratories, what to look for in the ingredient list, and more.

What to Watch Out for When Choosing a Supplement -- Supplement Bottle Label Close-up

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.

A pouch of AG1 on white background
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