CL Answers

Grüns Gummies: What’s In Them, Do They Work, and Are They Safe?

Find out what's in Grüns Superfoods Greens Gummies, if they work, and if they are safe. Get ConsumerLab's take on these gummy vitamins with added fiber and powdered fruit and vegetables.

Which air purifiers are best for reducing microbial and smoke particles from room air?

Find out if portable air cleaners can remove the virus that causes COVID-19 infection from the air and learn which type air cleaners work best.

Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.

Is drinking coffee good or bad for heart health?

Learn more about coffee and caffeine, its safety, if it's good for you, how much coffee is too much and its impact on your heart.

Which supplements may help with PMOS (polyendocrine metabolic ovarian syndrome)

Many supplements are promoted to help treat symptoms of PMOS (polyendocrine metabolic ovarian syndrome), but do they really work? See the clinical evidence for inositol (myo-inositol and D-chiro-inositol), alpha lipoic acid, vitamin B-12, folic acid, vitamin D and more.

Akkermansia muciniphila: Health Benefits and Safety

Akkermansia muciniphila has gained attention for its potential benefits in managing insulin resistance, diabetes, weight loss, cancer, and other health conditions, but does it really work, and is it safe? Find out.

Sugar Substitutes: Pros, Cons, and Best Choices

Learn about the pros and cons of using sugar substitutes and artificial sweeteners in place of table sugar. Sweeteners discussed include stevia, monk fruit, and other high-intensity sweeteners; xylitol, erythritol, allulose and other low-calorie sweeteners; and agave syrup, black sugar, coconut sugar, honey, molasses and other sugar alternatives.

My doctor told me to stop taking supplements because my kidney function was low. After stopping, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?

Find out which supplements may damage your kidneys. ConsumerLab explores possible kidney side effects of supplements including chromium, creatine, and vitamin C.

Do you have any advice on how to find trusted pharmacies to fill medication prescriptions from Canada or other countries?

Learn more about finding a trusted online pharmacy in Canada and how drug prices compare between the U.S. and Canada.

Which supplements and foods can help lower or control blood sugar?

Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.