ConsumerLab.com uses JavaScript to provide the best possible experience for our content, but your browser has it disabled. Learn how to enable it here.

About ConsumerLab.com

Product Reviews (51)

Search term may appear only in full report available to members. Join now for full access.

CL Answers (124)

Search term may appear only in full report available to members. Join now for full access.

Clinical Updates (46)

Search term may appear only in full report available to members. Join now for full access.

5/18/2019

Phytoceramides for Aging Skin?

Can phytoceramide supplements reduce wrinkles and improve the appearance of aging skin? See what a recent study found in our updated answer to the question: What are phytoceramides? Do phytoceramide supplements really work to improve aging skin?
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?
6/28/2021

Hyaluronic Acid for Wrinkles?

Does supplementing with hyaluronic acid reduce wrinkles or improve skin elasticity in middle-aged men and women? See what a new study found in the Aging Skin and Wrinkles section of our Collagen Supplements Review. Also see our Top Picks for collagen supplements for skin and for joints.
5/16/2015

Niacin Reduces Skin Cancer

A recent study suggests that high-dose niacin (vitamin B-3) may reduce the risk of developing certain types of skin cancer. A closer look at the study, however, raises questions about its relevance to people in North America. Get the details, as well as more information about niacin and our product test results & comparisons, in the B Vitamin Supplements Review >> 
4/19/2017

Niacin & Skin Cancer

People who don't get enough niacin each day may be able to lower their risk of developing squamous cell skin cancer by getting a bit more niacin from their food or supplements suggests a recent analysis. However, this doesn't mean you should overdo it. For details, see the "Niacin" section of the B Vitamin Supplements Review. You can also find foods high in niacin using the food table in the report.
11/29/2015

Melatonin for Itchy Skin

Atopic dermatitis is an itchy inflammation of the skin, affecting up to 10% of adults and 30% of children. A recent study in children and adolescents with atopic dermatitis found that taking melatonin modestly reduced symptoms and, not surprisingly, reduced the time needed to fall asleep. For details about this and other uses of melatonin, as well our reviews of available melatonin supplements (including several similar to the one studied), see the Melatonin Supplements Review >>
10/24/2015

Niacin Helps Prevent Skin Cancers

A study published this week showed that taking a form of niacin daily significantly lowered the rate of new basal-cell and squamous-cell skin cancers in patients with a history of such cancers. For details about the supplement and dose, see the B Vitamins Review >>
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.
3/28/2020

Collagen for the Skin

Supplementing with collagen to improve aging skin is popular, but does it work? The latest study with collagen used a higher dose than other studies, but is a higher dose better? Find out in the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen for wrinkles and for osteoarthritis.
9/03/2019

Collagen for Wrinkles?

A new study put a popular branded collagen ingredient to the test, measuring its effects on collagen content in the skin and on facial wrinkles, including wrinkles around the eyes. See the results in our updated answer to the question: Do collagen or hyaluronic acid supplements really help aging or wrinkled skin?
12/12/2017

Skin Rash from Ginkgo

Although not common, be aware that skin reactions have been reported from taking Ginkgo biloba. The most recent report involved a young man who experienced symptoms the same day he began taking a popular ginkgo supplement. See the details in the "Concerns and Cautions" section of the Ginkgo Supplements Review >>
7/23/2019

Apple Cider Vinegar for Eczema?

A study recently tested whether soaking skin in diluted apple cider vinegar would improve skin integrity in people with eczema (atopic dermatitis). See the results in the What It Does section of Apple Cider Vinegar Review. Also see our Top Picks among the products we've tested.
8/06/2019

Vitamin A and Skin Cancer

A study showed that people with higher intakes of vitamin A have a lower risk of developing squamous cell cancer of the skin. Does mean that taking a vitamin A supplement will help? Find out in the What It Does section of the Vitamin A Supplements Review, where we also discuss the risk of melanoma. (Also see our Top Picks for vitamin A supplements.)
1/07/2020

Eggshell Membrane for Hair, Skin, Nails?

Does supplementing with eggshell membrane (which contains collagen and elastin) improve hair, skin, or nails? See what a recent study found in the What It Does section of the Collagen Supplements Review. Also see our Top Picks among collagen supplements.
11/23/2021

Vitamin C Serums for Wrinkles?

Can applying vitamin C to the skin reduce wrinkles or help prevent sun damage? Find out in the Skin Health section of our Vitamin C supplements review.

Also learn what features you should look for if selecting a vitamin C serum.

1/18/2022

B-12 Vitamin Deficiency and Darkening of the Skin

Low levels of vitamin B-12 can cause darkening of the skin, as evidenced in a recent case. Get the details and learn about other symptoms of B-12 deficiency in our B Vitamin Supplements Review. Also, see our Top Picks among B-12 supplements.
9/07/2021

Collagen for Wrinkles

Can taking hydrolyzed collagen in low daily doses reduce wrinkles and improve skin hydration in older women? Find out what a recent study showed in the What It Does section of our Collagen Supplements Review. Also, see our Top Picks among collagen supplements for skin wrinkles.
2/03/2021

Garlic-Induced Burns

Be aware that garlic applied to the skin may cause severe burns, and dozens of cases have been reported. Find out which form of garlic and type of skin application is particularly dangerous in the Concerns and Cautions section of our Garlic Supplements Review.
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.
3/22/2022

Glutathione for Skin Lightening?

Are glutathione supplements or topical glutathione creams effective for skin lightening? Find out what research has shown in our updated answer to the question: Do glutathione supplements help prevent aging or other conditions?

5/24/2022

Skin Yellowing from Turmeric/Curcumin

Taking turmeric or curcumin has been reported to cause yellowing of the skin in some circumstances. Get the details in the updated Concerns and Cautions section of our Turmeric and Curcumin Supplements and Spices Review.

11/24/2015

Cocoa for Wrinkles?

A study in older women found that drinking a high-flavanol cocoa drink each day increased skin elasticity. And while wrinkles deepened among those drinking a placebo, they stayed stable in the cocoa-drinking group. For details about the amount of cocoa consumed (and its flavanol content), as well as our tests of flavanols (and contaminants) in popular cocoa powders and chocolates, see the Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements Review >>
8/06/2017

Magnesium Cream?

Is rubbing a cream into your skin a good way to get magnesium? We reviewed several studies of magnesium creams or sprays, including one just recently published. See what we found in the "What It Does" section of the Magnesium Supplements Review -- which includes our Top Picks among magnesium supplements.
3/26/2016

NAC Reduces Compulsive Picking

A number of studies have shown that N-acetyl cysteine (NAC), a supplement with wide variety of uses, may also reduce compulsive behaviors. The most recent study showed significant improvement in adults with skin picking disorder. Details about this and other studies with NAC, and our ratings of NAC supplements, are found in the N-Acetyl Cysteine Supplements Review >>
6/05/2018

Berberine Side Effect

Supplements that contain berberine (a compound extracted from goldenseal) can cause a range of side effects, in addition to drug interactions. It was recently reported that berberine can cause a rare, but severe, skin reaction. Learn more in the Concerns and Cautions section of the Berberine and Goldenseal Supplements Review. Also see our Top Pick among products in this category.
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.)
5/15/2019

Vitamin D and Sunscreen

Is it possible to protect your skin from sunburn but still produce vitamin D? See what a recent study found in the Getting vitamin D from sunlight section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
12/19/2017

Probiotic for Dermatitis

Atopic dermatitis is a recurrent, itchy inflammation of the skin. Taking a daily probiotic mixture was found to significantly reduce symptoms and the need for topical steroids in children with atopic dermatitis. Details are in the "What It Does" section of the Probiotic Supplements Review >>
2/08/2020

Vitamin D for Hives

If you suffer from chronic hives (or chronic urticaria) and are deficient in vitamin D, taking vitamin D may be helpful, according to a new study. (Vitamin D may also be helpful for other skin conditions such as eczema and psoriasis.) Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
10/11/2016

Niagen Form of Niacin May Cause Flushing

Niacin is known to cause flushing (redness) and skin tingling at moderate doses. Other forms of niacin are said cause less flushing. One of these is Niagen. However, results of a recently published study suggest that it can cause flushing and "hotness" after just a single dose. More details are in the "Niacin" section of the B Vitamin Supplements Review >>
6/27/2020

Fish Collagen Allergy

Be aware that some people may be allergic to fish collagen even if they don't respond to common fish allergy tests, according to a recent study. Get the details in the Concerns and Cautions section of the Collagen Supplements Review. Also see our Top Picks for collagen supplements for skin and for joints.
8/14/2020

Eggshell Membrane + Fish Oil for Joint Pain?

Both eggshell membrane and fish oil have been shown to bring modest reduction in joint pain, but does taking these ingredients together have greater benefit? Find out what a new study showed in the What It Does section of the Collagen Supplements Review. Also see our Top Pick among collagen supplements for joints and for skin.
9/12/2020

Probiotic for Eczema

Can applying a probiotic to the skin reduce eczema in children? Find out what a recent study showed in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
10/02/2021

Sanitizer Warning

Consumers are being warned not to use a specific hand-held UV sanitizing wand that could cause skin or eye injury within seconds of use. Details are in our updated article about UV Light Sanitizers and COVID.
10/05/2021

Silica for Dental Implant Inflammation?

Can a form of silica typically promoted for hair, skin, nail and bone health also help reduce inflammation and bone loss around dental implants? See what a recent study found in our updated article about Silica Supplements.
8/14/2021

Danger With Too Much B-6

A CL member recently told us about a friend who developed progressively worsening neuropathy (nerve damage) after taking very high dose vitamin B-6. It's important to be aware of the upper daily limit for vitamin B-6 and that taking too much can cause nerve damage, as well as skin lesions and other adverse effects, as discussed in detail in our B Vitamin Supplements Review.
7/24/2021

Collagen for Joint Pain?

Can collagen supplementation reduce joint pain or stiffness in the knee, hip or wrist? See what a new study found in the Joint Pain section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements for joints and for skin.
11/04/2020

Symptoms of Zinc Deficiency

Zinc deficiency can cause a wide range of problems involving the skin, hair, mouth, and immune system. A recent report showed that it can also cause an eczema-like rash. Get the details and learn about the symptoms of zinc deficiency in the What It Is section of our Zinc Supplements and Lozenges Review. Also see our Top Picks for zinc supplements and lozenges.
12/13/2020

Collagen for Wound Healing?

Can collagen supplements improve the healing of skin and tendon injuries? Find out in the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen.
12/30/2021

Hand Sanitizer vs. Soap

How do hand sanitizers or disinfectant hand wipes compare to washing hands with soap and water to remove microbes without causing skin dryness and redness? Find out what a recent study showed in the Hand sanitizer section of our answer to the question: Does heat kill coronavirus (COVID-19)?
11/11/2021

Severe Reaction to Multivitamin

A middle-aged woman developed a skin rash, hives and difficulty breathing immediately after taking a multivitamin, according to a recent report. Learn why in our update to the Multivitamin and Multimineral Supplements Review.
1/28/2022

Symptoms of Vitamin A Deficiency

Although not common, be aware of signs of vitamin A deficiency involving the eyes, skin, and nails, as exemplified by a recent case. Get the details (including medical conditions which can cause it) in the What It Does section of our Vitamin A Supplements Review. Also see our Top Picks among vitamin A supplements.
5/27/2022

Best Bug Sprays

Find out which insect repellants (for ticks and mosquitoes) are our Top Picks for use on skin and on clothing and gear based on their ingredients.

Also find out:

5/13/2022

More Soaps Reviewed

At the request of readers, we reviewed two additional soaps – Dove Sensitive Skin Beauty Bar and Vanicream Cleansing Bar. Find out if these meet our criteria for avoiding irritation in our article 5 Tips For Choosing a Soap or Body Wash.

4/12/2022

Zinc Rash

Zinc supplementation can trigger an allergic skin rash in some people, as seen in a recent case report. Get the details in the Concerns and Cautions section of our Zinc Supplements Review.

4/19/2022

Shiitake Mushroom Rash

If not properly prepared, shiitake mushrooms can cause a distinctive skin rash, as noted in recent reports. The details are in our article about ergothioneine, a potentially beneficial compound found in shiitake and other mushrooms.

Recalls & Warnings (130)

Search term may appear only in full report available to members. Join now for full access.

News Releases (27)

Search term may appear only in full report available to members. Join now for full access.