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Do any supplements help prevent or treat a cold?
Are there supplements that can help prevent or treat cold symptoms? Learn more about zinc, probiotics, vitamin C and more.
Is Esberitox effective for treating a cold?
Esberitox is promoted to boos the immune system, but can it really shorten the effects of the common cold?
What is monolaurin? Can it really prevent colds, cold sores, or other infections?
Lauricidin (monolaurin) information for preventing colds, immune system function, and safety.
Is it possible to take too much vitamin C?
Find out the daily value of vitamin C, along with possible side effects of excessive vitamin C intake. ConsumerLab explores the topic of proper vitamin C supplement usage, and why taking too much can be harmful.
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.
What is EpiCor? Does it really "boost" the immune system and prevent colds?
EpiCor supplement info, including evidence from clinical studies on immune function and cold/flu prevention, safety, and price.
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.
Is it true that NAC can help clear nasal passages?
Find out if N-Acetyl Cysteine (NAC) can help with post nasal drip & general sinus congestion and about supplements that may reduce cold symptoms.
Does heat kill coronavirus (COVID-19)? Can it disinfect face masks and packages?
Find out if heat kills the coronavirus SARS-CoV-2 that causes COVID-19 infection. Learn what temperature kills the coronavirus and more. ConsumerLab explains.
Do any supplements help for flu?
Which supplements may help prevent or reduce symptoms of colds or the flu, including vitamin D, ginseng, NAC, and elderberry.
Is it okay to take a zinc supplement while I am on an antibiotic for a respiratory infection?
Does zinc interfere with the absorption of antibiotics? Learn more about this and other effects in the body.
Do vitamins, minerals and nutritional supplements lose effectiveness with exposure to high temperatures and is it safe to order supplements by mail in the summer?
Are vitamins and supplements susceptible to heat? Find out if mail ordering during the summer is safe.
Which supplements are helpful to have when traveling? Any tips on how to best store supplements on trips?
Find out which vitamins & supplements can be helpful when traveling, including melatonin, ginger, and more, and find out how you can carry them with you.
Which is the best mask to prevent COVID-19 and how do cloth, disposable, N95, and KN95 masks compare? How can I stop glasses from fogging?
See our Top Picks for masks. Learn how to make COVID-19 masks from materials at home that can be almost as effective as surgical mask and N-95 masks.
How are you staying healthy during the coronavirus pandemic?
Tips for staying healthy during the coronavirus (COVID-19) pandemic. Tips from ConsumerLab members for maintaining physical health, mental health and social well-being during COVID-19.
An online supplement seller suggests I pay $10 extra to ship my order of bottled fish oil with freezer packs using priority mail. Is this necessary?
Find out if fish oil supplements need to be shipped with freezer packs to be kept fresh, plus other information about shipping and storing supplements. ConsumerLab.com's answer explains.
Are there any supplements I should avoid when taking acetaminophen (Tylenol)?
Find out if there are any supplements that should be avoided when taking acetaminophen (Tylenol).
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
Is drinking coffee good or bad for heart health?
Learn more about coffee and caffeine, its safety, if it's good for you, how much coffee is too much and its impact on your heart.
Does Z-Stack multivitamin work to boost the immune system, and is it safe?
Find out about Z-Stack, including if it can help boost the immune system and if it is safe to use at the suggested dose.
The vision supplement I take is based on the AREDS2 formula, but it contains a lot of zinc -- 80 mg in the recommended daily serving. Is it necessary, and safe, to take this much zinc every day?
AREDS information on the safety of supplements containing high levels of zinc, including vision supplements.
Are lozenges and sublingual pills considered dietary supplements?
Learn more about lozenges and sublingual pills (such as echinacea, zinc and B12) including safety warnings.
Can lysine, vitamin B-12, or other vitamins or minerals help prevent or reduce canker sores?
Lysine, B12, zinc and other vitamins and minerals for canker sores. Find out what supplements can help prevent or reduce canker sores.
What are the health benefits of avocado oil? Is it healthier than olive oil? Which avocado oils are best?
Learn about the health benefits of avocado oil and how it compares to olive oil, evidence for heart health, osteoarthritis and other uses. ConsumerLab.com's answer explains.