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Showing Results for Natural Factors

CL Answers (8)

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ConsumerLab Tests of Canadian Supplements -- Canadian flag

I live in Canada. Does ConsumerLab.com ever test Canadian products?

Find out which Canadian products ConsumerLab.com has tested, including Jamieson, Natural Factors, Webber Naturals and Lacteeze. Our answer explains.
Is turmeric a stomach irritant? -- Turmeric Supplement

I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?

Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.

Do any supplements help relieve stress?

Are there actually supplements for stress relief and panic attacks? Learn more about holy basil, fish oil, L-theanine, and ginseng.
PQQ Supplements and How They Compare With CoQ10 -- woman holding two supplement bottles

What is PQQ? Does it help with aging and memory? Is it similar to CoQ10?

PQQ information (pyrroloquinoline quinone), including evidence from studies on fatigue & tiredness, mood, memory, cognition, and inflammation.
Supplements for Brittle Nails -- healthy nails

Can vitamin supplements strengthen brittle nails?

Learn more about strengthening brittle nails with vitamin B-7 (biotin), based on clinical evidence.
Berberine

What is berberine? Can it really lower blood sugar? Are there any cautions? Which supplements are best?

What is berberine and can it really lower blood sugar for someone with type 2 diabetes? Find out more information about berberine.
Supplements that can lower, or raise blood pressure -- blood pressure cuff and bottle of pills

Which supplements can help to lower blood pressure?

Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.
Supplements for Coronavirus (COVID-19)? -- mask and pills

Do any supplements help with the coronavirus (COVID-19)? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.
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Recalls & Warnings (1)

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3/12/2016

FDA Finds Problems at 58% of Supplement Manufacturing Sites in U.S. and Abroad

News Releases (49)

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2/25/2021

Top-rated Vitamin and Supplement Brands and Merchants for 2021 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
12/11/2020

Caution With Cinnamon: ConsumerLab Tests Reveal High Amounts of Toxin in Some Supplements and Spices
2/25/2020

Top-rated Vitamin and Supplement Brands and Merchants for 2020 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
9/27/2019

Best Turmeric and Curcumin Supplements and Spices Identified by ConsumerLab
7/31/2019

ConsumerLab Tests Reveal Best CoQ10 and Ubiquinol Supplements
7/10/2019

Best Selenium Supplements Identified by ConsumerLab
2/25/2019

Top-rated Vitamin and Supplement Brands and Merchants for 2019 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
7/31/2018

Best L-Tryptophan and 5-HTP Supplements Identified by ConsumerLab -- ConsumerLab Tests Strength and Purity of Supplements for Sleep and Mood
2/25/2018

Top-rated Vitamin and Supplement Brands and Merchants for 2018 Based on Consumer Satisfaction
10/19/2017

ConsumerLab.com Reveals Best Zinc Lozenges and Supplements for Shortening Colds and Correcting Deficiency
9/26/2017

ConsumerLab.com Explains How to Take Melatonin and Reveals Its Top Supplement Picks
6/21/2017

Which Magnesium Is Best? ConsumerLab.com Tests Popular Brands and Reveals Its Top Pick
4/25/2017

Caution with Kelp Supplements: May Contain Too Much Iodine
4/04/2017

ConsumerLab.com Reveals Best and Worst Turmeric and Curcumin Supplements & Spices -- 31% Fail ConsumerLab.com Tests of Quality
2/25/2017

Top-rated Vitamin and Supplement Brands and Merchants for 2017 Based on Consumer Satisfaction
2/23/2017

ConsumerLab.com Reveals Best and Worst B Vitamin Supplements and Why Current Labels Often Mislead
11/15/2016

ConsumerLab.com Finds Arsenic in Testing of Potassium Supplements -- Safer Choices Identified. Many Americans May Need More Potassium
9/13/2016

Best Fish Oil? ConsumerLab.com Tests 44 Popular Omega-3 Supplements and Identifies Its Top Picks
2/25/2016

Top-rated Vitamin and Supplement Brands and Merchants for 2016 Based on Consumer Satisfaction
1/12/2016

Problems Found with 32% of Multivitamin/Multimineral Supplements -- ConsumerLab.com Identifies Good Choices for Men, Women, and Children
12/17/2015

ConsumerLab.com Focuses on Vision Supplements, Spotting the Best and the Worst
3/17/2015

CoQ10 & Ubiquinol Supplements Vary in Quality, as Well as Dose, Absorption, and Price According to ConsumerLab.com
2/25/2015

Top-rated Vitamin and Supplement Brands and Merchants for 2015 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
4/09/2014

Best Fish Oil? ConsumerLab.com Testing Finds Many High Quality Supplements, But Pitfalls Exist
2/12/2014

Top-rated Vitamin and Supplement Brands and Merchants for 2014 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
8/21/2013

Labels on Potassium Supplements May Confuse, But Product Quality is High According to ConsumerLab.com
2/01/2013

Top-rated Vitamin and Supplement Brands and Merchants for 2013 Based on Consumer Satisfaction
11/26/2012

Tests Show Many Milk Thistle Supplements Low in Key Component -- Seven of Eleven Products Fail ConsumerLab.com Testing of Herb Used in Diabetes and Liver Diseases
9/27/2012

ConsumerLab.com Reveals How Much Caffeine is in Energy Drinks -- Also Finds Some Drinks and Dietary Supplements Don't Contain Claimed Amounts of B Vitamins
8/22/2012

Contamination and Other Problems Found in Fish Oil Supplements -- Large Review by ConsumerLab.com Reveals Excessive PCBs or Mislabeling in Over 30% of Omega-3 Supplements
4/26/2012

ConsumerLab.com reviews prostate supplements with saw palmetto and/or beta-sitosterol and finds few likely to be effective
2/01/2012

Top-rated vitamin and supplement brands and merchants on consumer satisfaction for 2012 -- Based on ConsumerLab.com Survey of Vitamin & Supplement Users
10/31/2011

Supplements for lactose intolerance vary in strength and cost, and some offer no benefit, according to ConsumerLab.com
9/21/2011

Not all vitamin A supplements pass ConsumerLab.com tests -- New report reviews beta-carotene and cod liver oil supplements
6/16/2011

ConsumerLab.com puts multivitamins to the test
2/16/2011

Some turmeric and curcumin supplements fail quality review -- ConsumerLab.com finds 20% of turmeric supplements selected for review deliver less than 15% of promised compounds
2/01/2011

Top-rated vitamin and supplement brands and merchants on consumer satisfaction for 2011 -- Based on ConsumerLab.com survey of vitamin and supplement users 
1/31/2011

Vitamin D use increased 52% in past two years according to ConsumerLab.com survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements
9/28/2010

ConsumerLab.com finds quality problems with nearly 30% of fish oil supplements reviewed; "Fishy" claims identified -- Softgels and liquids for adults, children and pets tested, including krill oil and algal oil supplements 
6/09/2010

ConsumerLab.com tests "greens" and "whole foods" products; Most offer healthful nutrients, but some found contaminated with heavy metals
3/02/2010

ConsumerLab.com finds carcinogenic form of chromium in supplements, including those for weight loss -- Reviews published of supplements containing chromium, green tea, 7-keto DHEA and stimulant formulas
12/02/2009

Tests show many milk thistle supplements low in key component -- Nine of ten products fail ConsumerLab.com testing of herb used in diabetes and liver diseases
10/02/2008

ConsumerLab.com finds melatonin supplements range in strength but ingredient quality is high
8/05/2008

ConsumerLab.com Find Fifty Fish Oil Supplements Pass Quality Testing -- New Report Helps Consumers Choose Among Pills, Liquids, Foods and Beverages with Omega-3 Fatty Acids (EPA and DHA)
10/30/2007

Recently tested magnesium supplements free of lead, but one product missing most of its ingredient according to ConsumerLab.com — First Major Product Review of Potential "Life-Extending" Ingredient
5/15/2007

ConsumerLab.com finds some alpha lipoic acid supplements come up short — Improper formulation may cause ingredient degradation
12/12/2006

Probiotic supplements grow in popularity but viable bacteria missing in many — ConsumerLab.com cautions consumers to select probiotics carefully and store them properly
8/16/2005

ConsumerLab.com tests potassium supplements — Report now online for sixteen products
6/15/2005

Two magnesium supplements fail testing due to lead contamination. Nineteen others pass. Report now available.
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