CL Answers

What are the health benefits of serrapeptase?

Serrapeptase is a proteolytic enzyme. Learn more about its health effects, including whether evidence supports its use for pain, inflammation, and heart health.

The lutein supplement I bought has a strong odor. Is that normal?

Find out if a smelly lutein supplement suggests a problem.

What is CELLFOOD and is it a healthy supplement?

Learn more about CELLFOOD (NuScience Corporation), including if the claims to improve athletic performance, fibromyalgia, weight loss, and cancer are true.

What is Lipo-flavonoid and does it work for tinnitus or other ear problems?

Lipo-flavonoid Plus info, including ingredients & reliability of claims to improve ear ringing (tinnitus), vertigo, ear aches, ear infection, and Meniere's disease.

What is the benefit of magnesium orotate compared to other forms of magnesium?

Find out if magnesium orotate is the best form of magnesium for supplements, including safety concerns.

Will pregnenolone help slow down aging or reduce chronic pain?

Learn more about the steroid hormone pregnenolone, including its effects in the body and on aging and chronic pain.

Is there a danger in taking lecithin or phosphatidylcholine? I heard that they may increase the risk of heart attacks.

Lecithin, phosphatidylcholine and choline - Learn more about the potential link between them and cardiovascular disease.

A few weeks after starting acetyl-L-carnitine, I became so sluggish I could hardly function. Could this be due to the supplement?

Find out if carnitine supplements can cause sluggishness and fatigue.

What is Metafolin (5-methylfolate)? I see it in some supplements instead of folic acid. Is it better than folic acid?

Metafolin and Quatrefolic information - compare to folate and folic acid.

Can I trust ConsumerLab.com? How are its tests paid for?

Learn more about ConsumerLab.com's clinical testing policy and procedures, including information on our independent testing and product reviews. Our answer explains.