Product Reviews and Information for Parkinson's Disease

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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.

Product Review

SAMe (S-adenosyl-methionine) Supplements Review

Choose the Best SAMe Supplement and Save Money

Product Review

B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)

See Our Top Picks and Which 5 Failed Testing

Product Review

CBD Oils, Softgels, Gummies, Creams & Salves Review

See How Much CBD and THC We Found in Products.

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

NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)

How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.

CL Answer

L-Serine & D-Serine: Health Benefits and Safety

Serine exists in two forms: L-serine and D-serine. Find out how these two forms differ and learn if either form has health benefits and if it is safe.

Product Review

Melatonin Supplements Review

Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.

Product Review

Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)

Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements

CL Answer

How do the COVID-19 vaccines compare in terms of efficacy, safety and side effects? How, when and where do I get the COVID-19 vaccine?

Find out how the COVID-19 vaccines from Pfizer and Moderna compare and learn how when and where you can get the COVID-19 vaccine.

CL Answer

Does red and near infrared light therapy reduce pain, improve skin or cognition, or have other benefits? Is it safe?

Red light and near infrared light therapy devices are promoted for numerous conditions, including acne, fibromyalgia, pain, cognitive function and other uses. Find out if these devices work and if they are safe.

Product Review

Vitamin E Supplements Review

Find the Best Vitamin E Supplement. Tests and Reviews of Popular Vitamin E Supplements & CL's Top Picks.

CL Answer

Do sea moss and carrageenan have health benefits? Are there risks?

Sea moss is promoted for thyroid health, boosting immunity, improving gut health, and other uses. Find out if it works and learn about possible side effects of sea moss and its constituent, carrageenan.

CL Answer

What are the health benefits of palmitoylethanolamide (PEA), and is it safe?

Palmitoylethanolamide (PEA) is commonly promoted for its anti-inflammatory and pain-relieving effects. Find out if it works.

Product Review

Turmeric and Curcumin Supplements and Spices Review

See Our Top Picks Among Turmeric Products

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.

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.

CL Answer

What are the best bug sprays to prevent tick and mosquito bites? Is the insecticide permethrin safe to use?

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

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.

CL Answer

Body Odor: Supplements & Foods That May Help, or Make It Worse

Some people with adequate personal hygiene still experience body odor. Learn if taking supplements such as activated charcoal, champignon extract, copper chlorophyllin, L-carnitine, N-acetyl cysteine (NAC), or other ingredients might help or make body odor worse.

CL Answer

Which supplements and lifestyle changes improve sleep, and which cause insomnia?

Find out which vitamins may help you sleep and learn if any vitamins or supplements can cause insomnia.

Product Review

Extra Virgin Olive Oil Review

Many Extra Virgin Olive Oils Don't Seem to Make the Grade

CL Answer

Are antioxidant supplements good or bad for you?

Learn more about whether antioxidants like astaxanthin, beta-carotene, coenzyme Q10, curcumin, resveratrol, selenium, vitamin A, vitamin C and vitamin E are safe and if they help prevent chronic diseases.

Product Review

Vitamin D Supplements Review (Including Calcium, Magnesium, Vitamin K, and Boron)

Find the Best Vitamin D Supplement and Avoid Problems

CL Answer

7 Tips to Avoid Getting a Pill Stuck in Your Throat

Some pills can be difficult to swallow and can even become lodged in the throat or cause damage to the esophagus. Learn seven practical tips to help avoid getting pills stuck in the throat.

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

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.

Product Review

CoQ10 and Ubiquinol Supplements Review

Find the Best CoQ10 and Ubiquinol Supplements and Learn How They Differ

Product Review

NAC (N-Acetyl Cysteine) Supplements Review

Choose the Best N-Acetyl Cysteine Supplement. See Our Tests of Popular NAC Supplements and Top Picks for Quality and Value.

CL Answer

Which supplements may benefit people with essential tremor, and which should be avoided?

Learn about supplements used for treating essential tremor, including caprylic acid (also called octanoic acid), thiamin (vitamin B1), cannabidiol (CBD), GABA (gamma-aminobutyric acid), and branched-chain amino acids. Find out which work and which don't. Also find out which supplements and food may make essential tremors worse.

CL Answer

What are human growth hormone (HGH) supplements? What are the benefits? Are they safe?

Learn about the benefits and risks of human growth hormone (HGH) supplements and injections. Get science-based insights on usage and effects.

CL Answer

Does urolithin A reduce age-related muscle decline, osteoarthritis, or other age-related diseases?

Find out if urolithin A may improve age-related muscle decline and learn about its safety.

CL Answer

What are the health benefits of chlorophyll and chlorophyllin, and are they safe?

Chlorophyll supplements are promoted for reducing body odor, preventing cancer, removing toxins from the body, improving digestive conditions and other uses, but do they work and are they safe? Find out and learn if such supplements actually contain chlorophyll.

CL Answer

Do detox supplements work and are they safe?

Detox supplements are promoted for removing toxins such as heavy metals from the body, but does research support their use and are such supplements safe?

Recalls & Warnings

July 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.

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

Does Qualia Mind boost memory and mental function and is it worth cost?

Learn about the ingredients in Qualia Mind, whether or not we think the formula works and is safe, and if we think it's worth the cost.

CL Answer

Which supplements can help me sleep and which cause insomnia?

Find out which supplements may improve sleep, including melatonin, L-tryptophan, and magnesium, and which may make sleeping more difficult.

CL Answer

10 Supplements That May Help Reduce Nighttime Urination (And 5 That May Not)

Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 5 others that don't.

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.

Recalls & Warnings

May 28, 2024

Fiji Water Recalled

On March 3, 2024, Natural Waters of Viti Limited issued a recall of over 78,000 cases of Fiji Natural Artesian Water 500 mL (24 pack) after firm testing found the presence of manganese, as well as bacteria.

News Release

November 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

March 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

March 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

March 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

January 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.

CL Answer

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.

News Release

October 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

May 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

August 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

January 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.

CL Answer

Do any supplements help with 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.

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

What are the health benefits of olive oil?

Health benefits of olive oil and extra virgin olive oil, including evidence from clinical studies on cancer, cardiovascular disease, insulin, and blood sugar control and safety.

News Release

January 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.

CL Answer

How do I find the best quality olive oil and what are the health benefits?

Health Benefits of olive oil, including heart benefits, anti-inflammatory effects. Plus, how to choose a quality olive oil and cook with olive oil

CL Answer

Can N-acetyl-glucosamine (NAG) really help improve symptoms of bowel disease such as Crohn's disease or ulcerative colitis, or irritable bowel syndrome (IBS)?

Find out if N-acetyl-glucosamine (NAG) can help improve symptoms of bowel disease such as Crohn's disease or ulcerative colitis, or irritable bowel syndrome (IBS).

Recalls & Warnings

July 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

November 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

March 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

August 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

October 11, 2023

Family Sentenced to Over 12 Years in Prison for Selling Dangerous “Bleach” Miracle Mineral Solution as “COVID Cure”

Four Florida men who distributed the toxic bleach solution Miracle Mineral Solution (MMS) as a cure for COVID-19 and other serious medical conditions have been sentenced to 5 to 12 years in prison for conspiring to defraud the United States.

Recalls & Warnings

May 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

April 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

September 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

September 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

March 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

September 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

August 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

October 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.

Recalls & Warnings

January 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

May 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

April 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

October 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

May 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

June 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

January 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

November 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

October 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.