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CL Answers (16)

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Clinical Updates (10)

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2/15/2020

Collagen for Sun Damaged Skin?

A study suggests that fish-derived collagen can improve sun-damaged skin. For details, including dosage, see the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen.
2/29/2020

How Much Sun for Vitamin D?

Is sun exposure to the hands, arms, and legs enough to boost or maintain adequate vitamin D levels? See what a recent study showed in the Getting Vitamin D from Sunlight section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
6/12/2021

Vitamin D and Melanoma

Can vitamin D supplementation improve outcomes in people with melanoma skin cancer? See what a new study found in the What It Does section of the Vitamin D Supplements Review.

Also see our answer to the question: Do any supplements or foods help prevent sunburn or skin damage from sun exposure? Can any increase your risk of sun-related skin damage?
3/23/2021

How Much Sun to Boost Vitamin D?

Find out how much sun exposure was needed in a recent study to significantly increase vitamin D levels in older people in the Getting Vitamin D from Sunlight section of our Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
6/01/2021

Citrus And Skin Cancer Risk?

Does consuming citrus fruits and juices increase your risk of skin cancer? See what a recent study found in our update to our answer about supplements, foods, and sun damage.
8/17/2021

Sunscreens - What to Look Out For

In case you missed it, we recently posted a list of sunscreens found to contain a carcinogenic compound not listed on their labels. We have also added information about ingredients that are on labels that you might want to look out for. See the details in our article: "Which compounds in sunscreen should I be concerned about?"

Also see our article about benzene -- another carcinogen found in sunscreens -- that lists benzene amounts in hundreds of sunscreens and after-sun products.
10/05/2021

More Sunscreens Recalled

Five more sunscreen products sold in the U.S. have been recalled due to contamination with benzene, a carcinogen. We've added these, and their specific lot numbers, to our list of nearly 300 products tested for benzene. See the details in our article about Benzene in Sunscreen and After-Sun Products.
7/01/2018

Astaxanthin for Sun Protection?

Can taking an astaxanthin supplement improve the appearance of the skin or protect it from UV damage? See what a new study found in the What It Does section of the Astaxanthin Supplements Review. (Also see our Top Picks among astaxanthin supplements.)
7/28/2020

How Much Vitamin D from Sunshine?

Does exposure to midday sun increase already sufficient vitamin D blood levels? Get the surprising answer from a new study in the Getting vitamin D from sunlight section of the Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
6/22/2011

Does Taking Vitamin D Reduce the Risk of Heart Disease?

Earlier research has suggested an association between higher vitamin D levels in the blood and reduced risk of heart attack. But blood levels are affected by both sun exposure as well as intake of vitamin D. A new study shows that men with higher vitamin D intakes from foods and supplements have a 14% reduction in their risk of cardiovascular disease and stroke. However, the study found no reduction among women. The amount of vitamin D intake shown to be beneficial and possible reasons why a benefit was not found in women are provided in the updated "What It Does" section of our Product Review of Vitamin D SupplementsMore >>

News Releases (8)

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