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CL Answer
Does CBD help with Parkinson's disease?
Find out if CBD (cannabidiol) oil can help reduce symptoms of Parkinson's disease, including motor symptoms such as tremor, and non-motor symptoms such as mood and sleep disturbances. ConsumerLab.com's answer explains.
Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Which B Vitamins Are ConsumerLab's Top Picks!
Product Review
CBD & Hemp Extract Supplements, Lotions, and Balms Review
Find the Best CBD at the Lowest Price! Learn How Much CBD (and THC) Is Really in Products and Which Are Our Top Picks.
Product Review
SAMe (S-adenosyl-methionine) Supplements Review
Choose the Best SAMe Supplement. CL Tests Reveal Big Differences in Quality and Cost.
Clinical Update
4/27/2021
Magnesium for Parkinson's Disease?
Can taking magnesium help treat Parkinson’s disease? Find out what research shows in the What It Does section of our Magnesium Supplements Review. Also, be aware that Parkinson's medication can affect absorption of magnesium and vice versa.
Product Review
NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)
How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.
Product Review
Magnesium Supplements Review (Including Calcium, Boron, and Vitamins D & K)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
CL Answer
Do supplements help with Parkinson’s disease treatment or prevention?
Learn what has been shown with vitamins D and E, niacin, CoQ10, melatonin, creatine, SAMe, NAC, valerian, CoQ10, and CBD, as well as with coffee and the Mediterranean and MIND diets for treating and/or preventing Parkinson's disease.
CL Answer
Does ergothioneine help prevent age-related problems such as impaired cognition, Alzheimer’s disease, Parkinson’s disease or cataract, and is it safe?
Learn about ergothioneine and its potential use for cognitive impairment, dementia, Alzheimer's disease, Parkinson's disease, cataract, or kidney disease, as well as its safety and cost of supplements containing this ingredient.
Product Review
Vitamin E Supplements Review
Find the Best Vitamin E Supplement. Tests and Reviews of Popular Vitamin E Supplements & CL's Top Picks.
Clinical Update
3/27/2014
CoQ10 Not Helpful in Parkinson Disease
A study among people with early Parkinson Disease found that high-dose CoQ10 was not effective in slowing progression of the disease. For details about the study, information about other uses of CoQ10, as well as our tests of supplements, see the updated CoQ10 and Ubiquinol Supplements Review >>
Clinical Update
2/17/2015
Creatine Tested for Parkinson Disease
Taking creatine daily for at least five years did not slow the progression of Parkinson disease according to a recently reported study involving nearly 1,000 patients. For more details about the study, other studies with creatine (for strength, fibromyalgia, etc.), and our tests of creatine supplements, see the Product Review of Muscle Enhancers (Creatine and Branched-chain Amino Acids) >>
Product Review
Melatonin Supplements Review
Find the Best Melatonin Supplements. Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.
Product Review
Turmeric and Curcumin Supplements and Spices Review
Find the Best Turmeric and Curcumin Supplements & Spices. Big Differences Discovered Among Brands -- Little Curcumin In Some.
Clinical Update
7/16/2019
NAC for Parkinson's?
A recent, preliminary study suggested that NAC (N-acetyl-cysteine) given orally and intravenously improved symptoms in Parkinson's disease patients. For details, see the What It Does section of the NAC Supplements Review. Also see our Top Picks for NAC as a powder, capsule, and tablet.
Clinical Update
6/06/2020
Melatonin for Sleep and Parkinson's
Melatonin is known to trigger sleep, but can it help people with Parkinson’s disease? See the results of the latest study in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
Clinical Update
8/24/2021
Parkinson's Disease: 5-HTP for Sleep?
Can supplementation with 5-HTP reduce sleep disturbances in people with Parkinson's disease? See what a recent study found in the What It Does section of our L-Tryptophan and 5-HTP Supplements Review.
Also see our answer to the question: Do supplements help with Parkinson's disease treatment or prevention?
Product Review
Valerian Supplements Review
Choose the Best Valerian Supplement. Strength and Contamination Vary Widely Among Popular Valerian Brands.
Product Review
L-Tryptophan and 5-Hydroxytryptophan (5-HTP) Supplements Review
Choose the Best L-Tryptophan and 5-HTP Supplements. CL Tests Identify High Quality L-Tryptophan and 5-HTP (5-Hydroxy-L-Tryptophan) at the Best Value.
Product Review
Extra Virgin Olive Oil Review
Most Failed to Be Approved. Find the Best Extra Virgin Olive Oil and Avoid Problems.
CL Answer
Can CBD help with insomnia or improve sleep?
Find out if CBD (cannabidiol) can help for insomnia or improve sleep in people with anxiety, sleep disorders, and Parkinson's disease. ConsumerLab.com's answer explains.
Clinical Update
8/09/2022
Caution With Mucuna for Parkinson’s?
Mucuna pruriens is a natural source of levodopa (a drug for treating Parkinson’s disease). A recent study in a major journal suggested that labels for Mucuna pruriens supplements were highly misleading – however, we analyzed their data and came to a different conclusion. Learn more in our updated CL Answer about Supplements for Parkinson's Disease.
Clinical Update
8/19/2022
B-6 Depleted by Parkinson’s Drug?
Can vitamin B-6 levels in the body be depleted by carbidopa, a drug taken in combination with levodopa for Parkinson's disease? Find out what evidence suggests in our updated CL Answer about supplements for Parkinson's disease.
Clinical Update
7/10/2021
Niacin for Parkinson's?
Can niacin supplementation improve symptoms or slow decline in people with Parkinson's disease? See what a new study found in the Niacin section of our B Vitamin Supplements Review.
Also see our answer to the question: Do supplements help with Parkinson's disease treatment or prevention?
CL Answer
What is hesperidin, what is it used for and is it safe?
Learn about hesperidin, including whether its beneficial for heart health, problems with circulation, stroke, cognitive function, depression, cancer and other conditions, and find out if it is safe.
CL Answer
Can vitamins or other supplements cause a change in the ability to taste, or even a loss of taste?
Find out if supplements or vitamin deficiencies can cause changes in taste, loss of taste or smell. Information about vitamin D, zinc, vitamins A, B6, B12 and others. Plus medications and medical conditions that can alter taste and smell. ConsumerLab.com's answer explains.
Clinical Update
7/15/2022
B Vitamins for Parkinson's?
People with Parkinson's disease tend to have lower levels of vitamin B-6 and B-12. Find out if supplementing with B-6 or B-12 is beneficial and whether B-6 can interfere with drugs for Parkinson's.
Clinical Update
5/24/2022
Curcumin for Parkinson's?
Does adding curcumin to standard treatment for Parkinson’s disease improve symptoms and the quality of life? Find out what a recent study showed in the Other Uses section of our Turmeric and Curcumin Supplements and Spices Review.
CL Answer
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.
Product Review
Vitamin D Supplements Review (Including Calcium, Magnesium, Boron, and Vitamin K)
Find the Best Vitamin D Supplement with the Right Dose
Product Review
Human Growth Hormone (HGH) and Insulin-like Growth Factor-1 (IGF-1) Supplements Review Article
Human Growth Hormone Supplements: Evidence and Safety. What Can HGH Supplements Really Do? Beware of Misleading Claims!
CL Answer
What are CoQ10 side effects?
CoQ10 side effects, such as nausea, headache, and insomnia, and how you can reduce the occurrence of CoQ10 side effects. ConsumerLab.com's answer explains.
CL Answer
What are the best supplements or lifestyle modifications for insomnia, and which can make insomnia worse?
Find out which vitamins may help you sleep and learn if any vitamins or supplements can cause insomnia.
CL Answer
What is the best way to take melatonin to get a good night's sleep?
Learn more about the best way to take melatonin for better sleep. When to take it, how to take it, and general melatonin information.
CL Answer
Does urolithin A reduce age-related muscle decline?
Find out if urolithin A may improve age-related muscle decline and learn about its safety.
CL Answer
Do any supplements help for restless legs syndrome?
Find out whether supplements or vitamins like iron, magnesium, vitamin E and others can help for restless leg syndrome (RLS). ConsumerLab.com's answer explains.
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn What They Do
CL Answer
What is Protandim and does it really work?
What is Protandim and does it really work? Can Protandim reduce oxidative stress? ConsumerLab's answers discusses Protandim's effectiveness, reviews and studies.
CL Answer
I'm taking Lumiday, a supplement to improve mood. It seems to help me but is it safe?
Lumiday info including side effects, drug interactions and reviews. Lumiday is a supplement marketed to improve mood.
Product Review
Muscle & Workout Supplements Review (Creatine and Branched-chain Amino Acids)
Find the Best Muscle Enhancement Supplements. See Which BCAA and Creatine Supplements Passed CL's Tests & the Top Picks.
CL Answer
Is it true that magnesium bisglycinate from BioSchwartz is less likely to cause a laxative effect than other forms of magnesium?
Find out if the Magnesium Bisglycinate from BioSchwartz is better than other forms of magnesium and how much magnesium this product contains. ConsumerLab.com's answer explains.
CL Answer
Do any supplements or foods 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.
News Release
11/05/2021
NAD Boosters for Energy and Memory? ConsumerLab Reviews NAD+, NAHD and NMN Supplements
White Plains, New York, November 5, 2021 — Most cells in the body use NAD (nicotinamide adenine dinucleotide) in the process of energy production, and compounds that boost blood levels of NAD are often sold in supplements marketed for a wide range of benefits, from increasing energy and ...
News Release
3/04/2020
CBD Most Often Used for Pain, Then Sleep, According to CL Survey. Half of Users Think It Works.
White Plains, New York, March 4, 2020 — A recent survey of 9,782 people who use dietary supplements found that 14.5% of respondents purchased CBD (or hemp extract, which is a source of CBD) in 2019. The survey asked those people what they used CBD for and whether or not they thought it worked.
News Release
3/05/2013
CoQ10 & Ubiquinol Supplements Should Be Chosen Carefully, Cautions ConsumerLab.com -- Less Than 4% of Listed Ingredient Found in Widely-Sold Product
White Plains, New York — March 5, 2013 — A new report from ConsumerLab.com highlights the difficulty consumers have in selecting a supplement containing the anti-oxidant CoQ10 or its activated form, ubiquinol. ConsumerLab.
News Release
3/08/2011
ConsumerLab.com reviews CoQ10 and ubiquinol supplements -- Tests show quality to be high, but large differences found in dosage, formulation, and cost
WHITE PLAINS, NEW YORK — MARCH 8, 2011 — A new report by ConsumerLab.com highlights the difficulty consumers may have in selecting a supplement containing the anti-oxidant CoQ10 or its activated form, ubiquinol. CoQ10 is among the most popular dietary supplements in the U.S.
News Release
1/13/2009
ConsumerLab.com reports largest test of CoQ10 and ubiquinol supplements -- Most supplements provide claimed ingredient, but large variation in dosage and forms may confuse consumers. ConsumerLab.com provides guidance.
WHITE PLAINS, NEW YORK — JANUARY 13, 2009 — A report by ConsumerLab.com on supplements containing the anti-oxidant CoQ10 shows the difficulty for consumers in determining an appropriate dosage.
News Release
10/20/2006
ConsumerLab.com report on CoQ10 supplements finds quality high but large range in suggested dosage
WHITE PLAINS, NEW YORK — OCTOBER 20, 2006 — New test results from ConsumerLab.com for CoQ10 supplements show that all of the products selected contained amounts of ingredient consistent with their labels.
News Release
5/10/2005
ConsumerLab.com begins publishing test reports on Japanese vitamins and supplements — Review of CoQ10 products Now Available Online in Japanese at ConsumerLab.jp. More Reports Scheduled
— Review of CoQ10 Products Now Available Online in Japanese at ConsumerLab.jp. More Reports Scheduled — WHITE PLAINS, NY — MAY 10, 2005 — ConsumerLab.
News Release
8/25/2004
ConsumerLab.com finds not all vitamin E products meet claims — Results for 33 vitamin E supplements and skin products released today
WHITE PLAINS, NY — Wednesday, August 25, 2004 (Updated 10/24/04) — ConsumerLab.com announced today that five vitamin E products failed to pass recent testing for having either too little vitamin E and/or for containing synthetic vitamin E when claiming to be natural.
News Release
1/13/2004
ConsumerLab.com finds discrepancies in strength of CoQ10 supplements — Increasingly popular supplement, but health professionals and consumers cautioned to check brands
WHITE PLAINS, NY — January 13, 2004 — (Updated January 30) — ConsumerLab.com today announced that among the coenzyme Q10 (CoQ10) supplements it recently tested there was no detectable CoQ10 in one product.
Recalls & Warnings
7/06/2021
CBD Products Were Promoted to Treat Cancer and Alzheimer's Without Proof, Says FTC
On July 6, 2021, the Federal Trade Commission (FTC) announced that it has approved a final administrative consent orders against Kushly Industries LLC and the company's owner, Cody Alt, for allegedly making unsupported health claims about its CBD products.
Recalls & Warnings
8/31/2009
Court Orders Marketers of Supreme Greens and Coral Calcium to Pay Nearly $70 Million for Consumer Refunds
On August 27, 2009, a federal district court ordered the marketers of two dietary supplements – "Supreme Greens" and "Coral Calcium" – who claimed the products would cure ailments ranging from cancer and Parkinson’s disease to heart disease and autoimmune diseases to pay nearly $70 million for ...
Recalls & Warnings
9/26/2017
FDA Warns Seller of DHEA, Creatine, Chromium & More for Manufacturing Violations, Drug Claims
On August 25, 2017, the FDA issued a warning letter to Mega-Pro Nutrition, Inc., following inspections of the facility and website www.mega-pro.
Recalls & Warnings
10/22/2019
Company Marketing CBD for Use in Infants and Children Gets Strong Warning
On October 10, 2019, the FDA and FTC issued a joint warning letter to Rooted Apothecary LLC for "illegally selling unapproved products containing cannabidiol (CBD) online with unsubstantiated claims" including that the products could treat teething pain and ear aches in infants, autism, ...
Recalls & Warnings
4/26/2021
Family Indicted for Selling Dangerous "Bleach" Miracle Mineral Solution As "COVID" Cure
Four Florida men have been indicted by a Miami federal grand jury on charges of fraudulently marketing and selling the toxic bleach solution Miracle Mineral Solution (MMS) as a cure for COVID-19 and other serious medical conditions, such as cancer, Alzheimer's, diabetes, autism, malaria, ...
Recalls & Warnings
11/02/2019
Brain Supplement Claims to Treat Brain Injuries, Alzheimer's Are Deceptive, Says FTC
On November 1, 2019 the FTC filed a lawsuit against Neora LLC (formerly Nerium International) for making false claims that the supplement Neora EHT (formerly called Nerium EHT) can treat concussions and chronic traumatic encephalopathy caused by repetitive brain trauma, Alzheimer's ...
Recalls & Warnings
5/07/2012
FDA Warns Doctor Promoting Own Supplements Online as Treatments
On April 18, 2012 the U.S. Food and Drug Administration (FDA) sent a Warning Letter to Jacob Teitelbaum, M.D. of Fatigued to Fantastic, LLC regarding the promotion that company's products on its website www.endfatigue.com.
Recalls & Warnings
7/23/2019
FDA Warns Seller of CBD Lotions, Patches, Tinctures and Pet Products
On July 22, 2019, the FDA issued a warning letter to Curaleaf, Inc.
Recalls & Warnings
5/23/2015
Seller of Magnesium, Calcium, Silver and More Warned for Manufacturing Violations, Drug Claims
On May 8, 2015, the FDA issued a warning letter to Pick and Pay, Inc.
Recalls & Warnings
4/29/2014
Seller of B Vitamins, CoQ10, Amino Acids and Other Supplements Warned for Manufacturing Violations and Drug Claims
On April 1, 2014, the FDA issued a warning letter to Bio-Recovery, Inc.
Recalls & Warnings
9/10/2012
Maker of Omega-3, Bone and Brain and Supplements Warned For Drug Claims
On August 27, 2012, the FDA issued a warning letter to PruTect Rx indicating that statements on the company's websites about Omega3PruTect, NeuroPruTect, VitaminD3PruTect and OsteoPruTect constitute drug claims, although the products are not approved drugs.
Recalls & Warnings
3/06/2009
"The Truth About Nutrition" Marketers Agree to Pay $3 Million to Settle Charges of Deceptive Advertising of Dietary Supplements and Devices
On March 6, 2008, the Federal Trade Commission (FTC) announced that marketers of dietary supplements and health-related devices have agreed to pay $3 million in consumer redress to settle FTC charges that they deceptively claimed their products treated or prevented a wide variety of serious ...
Recalls & Warnings
1/26/2018
Seller of Coenzyme-A Warned For Making Drug Claims
On January 5, 2018, the FDA issued a warning letter to Coenzyme A, Inc. following a facility inspection and review of the company's website that found the company made drug claims about its product Coenzyme-A.
Recalls & Warnings
3/19/2019
FDA Calls Promotion of Nyloxin Homeopathic Products for Pain a "Health Fraud Scam"
On March 11, 2019, the FDA issued a warning letter to Nutra Pharma Corp. following a review of the company's website (www.Nyloxin.com) and social media sites found that the company was making drug claims about its homeopathic products promoted for arthritis and cancer pain.
Recalls & Warnings
8/16/2006
Marketers of Diabetes Supplement Banned From Claiming Products Treat or Cure Diseases
On August 10, 2006, the Federal Trade Commission (FTC) announced that an operation selling Chinese herbal supplements is banned from claiming its products treat or cure diseases, to settle FTC charges it violated a previous court order.
Recalls & Warnings
1/05/2005
Marketers of Brain-Rejuvinating Supplement Settle FTC Charges of False Claims
On January 5, 2005, the U.S. Federal Trade Commission (FTC) announced that a company that heavily advertised an herbal dietary supplement called "Sagee" to the Chinese-language and Vietnamese-language communities had settled FTC charges of making false and unsubstantiated claims for the product.
Recalls & Warnings
5/03/2013
Maker of Omega-3, Saw Palmetto, St. John’s Wort Supplements And More Warned For Manufacturing Violations and Drug Claims
On March 19, 2013, the FDA issued a warning letter to Sunset Natural Products Inc.
Recalls & Warnings
10/24/2012
Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims
On October 16, 2012, the FDA issued a warning letter to dietary supplement manufacturer Advanced Nutritional Technology Inc.
News Release
1/29/2001
Some supplements for arthritis may exceed newly released safe intake levels for manganese
WHITE PLAINS, NY — January 29, 2001 — ConsumerLab.com issued an alert today to its online readers that that some glucosamine and chondroitin products (popularly used for osteoarthritis), exceed newly established upper intake levels for manganese.
Recalls & Warnings
6/04/2004
FTC Charges Marketers of Two Supplements with False Claims to Cure Range of Diseases
On June 3, 2004 the Federal Trade Commission (FTC) charged marketers of two dietary supplements with falsely claiming that their products can prevent and cure cancer and other diseases. According to the FTC’s complaint, Boston-area marketers Direct Marketing Concepts, Inc. (DMC), ITV Direct, Inc.
Recalls & Warnings
9/26/2014
Sellers of Essential Oils Warned for Claiming to Treat Ebola, Other Diseases
On September 22, 2014, the FDA issued a warning to Young Living following a review of websites, Pinterest, Facebook and Twitter accounts owned by Young Living distributors, which found statements made about the company's essential oils, including Thieves, Cinnamon Bark, Oregano, ImmuPower, ...
Recalls & Warnings
11/06/2014
Seller of Prostate, Heart Supplements and More Warned for Drug Claims
On October 9, 2014, the FDA issued a warning letter to Health Research Laboratories, LLC/New World Health, following a review of the company's websites, which found statements made about AtheChel Advanced, Betarol, BioTherapex, Omega-3 Cardio Plus, RejuvaLifeRx, and Ultimate Health Formula to be ...
Recalls & Warnings
10/06/2006
FDA Warns Mangosteen Juice Maker of Drug Promotions
On September 20, 2006, the U.S. Food and Drug Administration (FDA) sent a Warning Letter to the makers of Xango, a mangosteen juice product. The letter advised that distributors of the product were using brochures making health claims restricted to the promotion of drugs.
