With herbal supplements, what is the difference between root powder and root extract? Does it matter?
Learn more about the different forms of herbal supplements, including aloe, boswellia, ginkgo, green tea, and milk thistle.

Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?
Learn which supplements can ease tinnitus, including melatonin and pine bark extract. Understand which may actually cause tinnitus.

My dog is getting older and his veterinarian recently recommended giving him a glucosamine supplement for his joints. Has ConsumerLab.com tested these, or other supplements for pets?
Find out our test results on glucosamine for dogs and cats as well as other supplements for pets.

I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?
Learn more about water-soluble B vitamins including niacin, B6, B12 and folic acid, and why taking too much of these vitamins can be toxic. See the symptoms of overdose and toxicity from B vitamins. ConsumerLab.com's answer explains.

What is fermented cod liver oil, such as Blue Ice? Is it better than regular cod liver oil?
Fermented cod liver oil information including if Rosita & Blue Ice (Green Pastures) is as good a source of vitamins and DHA as regular.

I've heard that rice has high levels of arsenic. Does that mean rice bran oil does too?
Find out if rice bran oil can contain high levels of arsenic like whole rice and other rice products do.

Do any supplements help with gum disease or periodontitis?
Supplements for healthy gums may help with gum disease or periodontitis. Learn more about omega fatty acids, lycopene, and probiotics.

Which supplements help with erectile dysfunction?
Supplements for erectile dysfunction. Find out which supplements can help with ED, including ginseng, L-arginine, and maca.

Do any supplements, like Nervive, help with nerve pain, like sciatica, diabetic neuropathy or postherpetic neuralgia?
Find out which supplements for nerve pain, including fish oil and alpha-lipoic acid, are effective for sciatica, diabetic neuropathy, or postherpetic neuralgia.

What are the health benefits of tart cherry juice?
See the evidence for tart cherry juice health benefits from clinical studies. Find out if tart cherry has anti-inflammatory effects, if it can improve sleep, lower high blood pressure, or help for muscle pain and osteoarthritis.
