CL Answers

Which air purifiers are best for reducing the spread of COVID-19?

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.

Which is the best pulse oximeter for home use?

Best pulse oximeter for home use (COVID-19, asthma and COPD). Differences between home use and FDA-approved medical pulse oximeters.

Do collagen supplements impact cholesterol levels or reduce risk factors for atherosclerosis?

Collagen has been studied for its effects on cholesterol levels and atherosclerosis risk factors, but its effects are still not clear. ConsumerLab's answer explains.

What is desiccated beef liver? What is it used for, and is it safe?

Description of desiccated beef liver, including what it is used for, its nutrient content, and safety concerns. ConsumerLab's answer explains.

Do essential amino acid (EAA) supplements help build muscle better than dietary protein or protein supplements?

Comparison of essential amino acids vs dietary protein and protein supplements for building muscle. ConsumerLab's answer explains.

What is TUDCA (tauroursodeoxycholic acid)? Does it have any proven health benefits, and is it safe?

TUDCA information, including its potential health benefits, safety, possible interactions, and cost. ConsumerLab's answer explains.

Do supplements help treat peptic ulcer disease? Should any be avoided?

Vitamins and supplements that may help with peptic ulcer disease, including probiotics, cranberry, melatonin, lactoferrin, berberine, and licorice. ConsumerLab's answer explains.

Does chuchuhuasi reduce inflammation or back pain?

Find out if chuchuhuasi, an herb from the Amazon rainforest, can decrease inflammation or reduce back pain. ConsumerLab.com's answer explains.

Do "Mr. Happy Stack" supplements improve memory, cognition and mood, and are they safe?

Find out if Happy Stack supplements really work to enhance memory and cognition, plus safety and side effects. ConsumerLab.com's answer explains.

To prevent ticks, is it safe to spray permethrin on sleeping bags or bedsheets, as well as clothes?

Find out how permethrin sprays differ and which can be used on sheets and sleeping bags versus clothing