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Product Reviews (12)
Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids)
CL Answers (34)
Is it better to buy supplements which are combination formulas or single-ingredient?
Find out if combination formulas or single-ingredient individual supplements are better and why.
Is canola oil good or bad for you? I heard it can be toxic.
Find out if canola oil is bad for you or good for you, and whether it helps heart health. Clinical evidence and how it compares to other oils.
Some websites claim that synthetic vitamin C in supplements may be a combination the active "L" form and the inactive "D" form of ascorbic acid. Is that true? Should I be concerned?
Learn more about the forms of vitamin C.
Flu Vaccines: How do different flu vaccines compare and which is best for older people?
Learn how flu vaccines differ and find out which may be most suitable for older people, as well as those with egg allergy.
Can I use a home test for mercury to check for mercury in fish, like canned tuna, fresh fish, and sushi?
Find out if home mercury test kits can be used to test fish, such as canned tuna, fresh fish or sushi for mercury contamination. Plus, find out how much mercury ConsumerLab found in popular canned tuna and canned salmon. ConsumerLab.com's answer explains.
Is Hershey's Special Dark better than other dark chocolate bars or cocoa powders?
Find out if Hershey's Special Dark Chocolate bar is better than other dark chocolate bars or cocoa powders, including flavanol content, contamination with lead or cadmium and other tests of quality. ConsumerLab.com's answer explains.
Do any supplements help for irritable bowel syndrome (IBS)?
IBS supplements may help reduce irritable bowel symptoms such as pain, diarrhea and constipation. Supplements include probiotics, melatonin, and flaxseed.
I heard somewhere to avoid chocolate with "processed with alkali" in the ingredients. Is that true?
Learn more about cocoa processed with alkali ("dutched") and its effect on flavanols.
Does taking natural versus synthetic CoQ10 make a difference? How do you know which product is natural or synthetic?
Natural CoQ10 compared to synthetic CoQ10 supplements. Learn the differences.
What does "Contains a Bioengineered Food Ingredient" mean on the label of a supplement or food? Should I be concerned?
Learn about bioengineered ingredients in foods and dietary supplements, where to find a list of bioengineered foods and what to look for on labels, as well as where you can find information about bioengineered ingredients in dietary supplements in ConsumerLab's product reviews.
Are cocoa and chocolate products contaminated with the fungal toxin ochratoxin A?
Learn more about toxins associated with cocoa beans and if chocolate contains contaminants like ochratoxin A (OTA).
Does taking zinc help with sleep?
Taking zinc to help you sleep? Find out if taking zinc really can help with sleep and insomnia. ConsumerLab.com's answer explains.
Do brain games and apps really work and improve memory?
Find out if brain training games & apps, like Lumosity & BrainHQ, really work to train the mind and improve memory. ConsumerLab.com's answer explains.
What is Omega XL and does it work?
What is Omega XL (distributed by Great Health Works) and does it work? Described as a "highly concentrated Omega-3 'Super Oil' supplement".
How does the new prescription fish oil Epanova compare to Lovaza --and fish oil supplements?
Learn more about prescription fish oils like Epanova, Lovaza, and Vascepa and how they compare to each other and to supplements.
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.
Which supplements help with Raynaud's phenomenon?
Raynaud's phenomenon may be helped by some supplements. Learn more about fish oil, Gingko biloba, and ginseng.
How do fish oil supplements compare to EPA prescription fish oil like Vascepa?
How do regular fish oil supplements compare to prescription fish oil such as Vascepa and Lovaza. Info on amounts of EPA and DHA, dose, cost and absorption. ConsumerLab.com's answer explains.
Some protein powders contain whey protein concentrate, and others contain whey protein isolates - what is the difference?
Learn more about whey protein powder and different forms and ingredients.
Can curcumin help prevent or improve symptoms of Alzheimer's disease?
Information on studies of the evidence around the effects of turmeric/curcumin and Alzheimer's.
I've heard that soaking dried beans for 24 hours reduces the phytate level, allowing for greater access to nutrients. Is this true?
Does soaking dried beans in water help reduce phytate levels to help gain greater access to nutrients?
Are lozenges and sublingual pills considered dietary supplements?
Learn more about lozenges and sublingual pills (such as echinacea, zinc and B12) including safety warnings.
Is Modified Citrus Pectin (MCP) helpful for prostate or breast cancer?
Modified Citrus Pectin (MCP) information including its effects on cancer, such as prostate cancer, and more.
Coromega Max claims it is uniquely emulsified to provide 300% better absorption than standard fish oil softgels. Is this true? It's more expensive than many fish oils.
Find out if Coromega is better absorbed than other fish oil supplements. ConsumerLab.com's answer discusses omega-3 absorption and a study comparing Coromega and regular fish oil.
Do any supplements help for ulcerative colitis?
Find out what supplements & vitamins can help with ulcerative colitis, such as VSL#3, curcumin, aloe or boswellia.
Are vitamins and supplements from Canada of better quality because they are licensed?
Find out if Canadian vitamins and supplements are better quality because they are licensed, what it means to for a product to have an Natural Product Number (NPN) in Canada, and if vitamins and supplements in Canada are tested for quality and purity. ConsumerLab.com's answer explains.
What are the health benefits of stevia? Is it safe?
Learn more about the health benefits of stevia and whether it is safe. ConsumerLab.com's answer explains.
Do "lite" salts and salt substitutes containing potassium help lower blood pressure and reduce heart risks? Are they safe?
Find out if replacing regular salt with "lite" salt or salt substitutes, such as Morton Lite Salt, Morton Salt Substitute, NoSalt Original Sodium Free Salt Alternative, and MySalt, helps to reduce blood pressure, or decrease the risk of heart attack and stroke. Plus, learn about the safety and side effects associated with salt substitutes, drug interactions, and more.
Lovaza, a prescription omega-3 fish oil, is very expensive. Can I get the same omega-3 oils from a supplement that costs less?
Lovaza fish oil (prescription) vs. over the counter fish oil supplements. Understand the differences in cost and benefits before you buy.
Is the theobromine in chocolate and cocoa good or bad for me?
Find out the benefits and risks of theobromine -- and how much is in dark chocolate.
Is it okay to buy supplements as tablets? I've heard that tablets may go through our system without dissolving. Is there any way to know whether tablets will properly dissolve?
Find out if supplements taken as tablets dissolve well in the body, including our test results on disintegration.
Should I be worried that my supplement contains "caramel coloring IV"? I've heard that it has been linked to cancer.
Learn more about caramel coloring IV, including evidence from studies on cancer.
Does Alpha Brain really improve memory, focus and cognition?
Find out if Alpha Brain really improves memory, focus and cognition. See the clinical evidence and get details about Alpha Brain ingredients, as well as potential side effects and drug interactions. ConsumerLab.com's answer explains.
Which supplements help reduce flatulence (gas), and are there any that make it worse?
Find out which supplements may help reduce flatulence (gas), and learn which supplements or foods may worsen symptoms of flatulence.
Recalls & Warnings (25)
FDA Seeks Permanent Injunction Against Dietary Supplement Maker -- 400+ Products Affected
Clinical Updates (10)
PFAS in Processed Foods?
Lutein and Visual Processing
Vitamin D Speeds Recovery from Tuberculosis
Probiotics for Oral Health?
New Curcumin Increases Bioavailability
CoQ10 for Nerve Pain
CoQ10 for Fibromyalgia?
Tests to Detect COVID Variants?
Take Choline When Pregnant
Saw Palmetto May Not Work
What should you do? You may want to consider a different supplement -- beta-sitosterol, a phytosterol. The evidence remains fairly good for beta-sitosterol. To find out more about saw palmetto, beta-sitosterol, and the supplements we have tested, see the Prostate Supplements Review. More >>