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CL Answers (29)

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Clinical Updates (15)

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12/21/2021

This Year’s Flu Shot a “Bad Match?”

The 2021-2022 flu shot may be less effective against the currently dominant flu strain, but there is still good reason to get a shot, according to a recent study. Get the details in our updated article about Flu Vaccines.
11/15/2021

Flu & COVID Vaccines

Additional research indicates that it's safe to get flu and COVID-19 vaccines together. Get the details.
9/28/2021

COVID + Flu Shot Timing

Find out if you can get a flu shot and COVID-19 shot at the same time and how this may affect side effects.
10/22/2021

Flu Vaccine for Transplant Recipients?

Find out if transplant recipients should consider getting a specific type of flu shot.
2/16/2017

Vitamin D Reduces Risk of Colds & Flu

A study released today shows that taking vitamin D in a certain way reduces the risk of cold and flu infections by up to 70%. The benefits are greatest for people very deficient in vitamin D. For details, see the "What It Does" section of the Vitamin D Supplements Review (which includes our tests of products) >>
8/21/2020

Can a Multivitamin Reduce Colds and Flu?

Can regularly taking a multivitamin reduce the chance of getting a cold or flu, or lessen the symptoms and duration of illness among older people? Find out what a recent study showed in the What They Do section of the Multivitamin and Multimineral Supplements Review. Also see our Top Picks among multivitamins for women, men, seniors, children and pets.
11/05/2021

Flu Shot + COVID Booster?

Find out if it's okay to get a flu shot at the same time as a COVID booster based on recent evidence.
9/22/2020

Does Elderberry Help With Flu Symptoms?

Did giving Sambucol (an elderberry extract) to people diagnosed with flu reduce the severity or shorten the duration of symptoms? Find out what a recent study showed in the What It Does section of our Elderberry Supplements Review. Also see our Top Picks among elderberry supplements.
1/15/2021

Vitamin D for Colds and Flu?

Does monthly high-dose vitamin D help prevent colds and flu or lessen symptoms in older people? Find out what a recent study showed in the What It Does section of our Vitamin D Supplement Review. Also, see our Top Pick for vitamin D.
5/25/2021

Ginger for Stomach Flu?

Can ginger extract reduce vomiting due to stomach flu? See what a new study found in the What It Does section of the Ginger Supplements Review. Also see our Top Picks among ginger supplements, chews, and spices.
1/28/2022

CBD To Reduce COVID Risk?

Use of a prescription formula was associated with lower risk of COVID-19 infection in a recent analysis, but there are important caveats to this finding. Get the details in the Colds, Flu, and Viral Infections section of our Review.
12/04/2017

What NAC (N-Acetylcysteine)

NAC is both a supplement and a drug used to treat conditions ranging from flu and chronic bronchitis to compulsive behavior. A recent study evaluated its use in preventing kidney injury during angiography (imaging of blood vessels). Get the results and learn more in the "What It Does" section of the NAC (N-Acetylcysteine) Supplements Review >> Also see our top choices among NAC supplements.

Recalls & Warnings (75)

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News Releases (11)

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