Product Reviews and Information for Nickel Allergy

4/17/2025

Vitamin D for Seasonal Allergies?

Did taking vitamin D provide extra relief to people with seasonal allergies already using a nasal antihistamine? Find out what a recent study showed in the Allergies section of our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.

Also see: Which supplements are best for seasonal allergies?

2/27/2011

Vitamin D and Allergy?

Recent analyses of data from thousands of individuals across the U.S. show an association between serum vitamin D levels and certain allergies. The association was found in children and adolescents for 11 different allergens, but no association was found in older individuals. See the Vitamin D Product Review for the types of allergies and level of vitamin D at which risk was reduced. More >>

4/17/2016

Vitamin D and Allergy

Vitamin D is known to modulate the immune system. Having sufficient levels is associated with reduced risk of allergy and asthma. A recent study showed that giving vitamin D to pregnant women and their infants resulted in fewer infants being allergic to house dust mites and needing to see a doctor for asthma. For details, see "Allergy," as well as "Asthma," in the What It Does section of the Vitamin D Supplements Review >>

7/27/2019

Vitamin D for Allergies?

If you already take an antihistamine for allergies, will adding vitamin D provide further benefit? Find out what a recent study showed in the What It Does: Allergies section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D among products.

7/24/2021

Sulfa Allergy to NAC?

Can people with a sulfa allergy (an allergy to sulfonamide drugs) use NAC, which contains sulfur? Find out in the Concerns and Cautions section of our N-Acetylcysteine Supplements Review.

7/19/2022

Quercetin for Seasonal Allergies?

Did quercetin improve nasal and eye symptoms among people with seasonal allergies in recent study? Find out in the Seasonal Allergy section of our Quercetin Supplements Review.

12/23/2023

PEA for Seasonal Allergies?

Does palmitoylethanolamide (PEA) reduce the severity of seasonal allergy symptoms? Find out what a recent study showed in our article about PEA,  which includes comparisons of popular PEA supplements.

Also see: Which supplements are best for seasonal allergies?

9/03/2021

High Allergy Risk & Vaccination

Can people with high allergy risk get safely vaccinated? See what the data is showing.

4/08/2022

Astaxanthin & Seafood Allergy

A member asked if people with seafood allergies can take astaxanthin supplements. Find out in the Concerns and Cautions section of our Astaxanthin Supplements Review.

2/05/2012

Fish Oil During Pregnancy Reduces Allergy in Infants

Last year we reported important findings from a study of fish oil given to pregnant women. A further analysis of that study shows another benefit of daily fish oil for pregnant women -- their babies have nearly a 40% lower risk of egg allergies. A lower risk of eczema was also found, although this association did not hold after adjusting the data for certain factors. See the update to the Fish Oil Supplements Review, which includes details on this study, the type and amount of fish oil taken, and our latest product tests.

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.

11/02/2016

Curcumin for Allergy

A recent pilot study suggests that curcumin can significantly reduce symptoms of seasonal allergy. Get the details in the "What It Does" section of the Turmeric/Curcumin Supplements Review >>

3/29/2015

Preventing Eczema with Probiotics

Allergy experts recently concluded that, when there is a family history of allergy, probiotics (taken by the mother or child) can reduce the risk of the child having eczema. For more information about this and other uses of probiotics — as well as our test reviews of products, see the Probiotic Supplements Review >>

3/04/2017

Probiotic for Allergy

A recent study showed that taking a probiotic during allergy season reduced symptoms more than did a placebo — although not by much. For details, see the "What It Does" section of the Probiotic Supplements Review >>

1/04/2022

Caution With Stinging Nettle

Stinging nettle is promoted to reduce seasonal allergies and is a common ingredient in prostate supplements. Rarely, however, it may cause breast changes in both men and women, as was recently reported. Get the details in our updated article about Supplements for Seasonal Allergies. Also see the Concerns and Cautions section of our Prostate Supplements Review.

11/18/2022

Curcumin and Allergy Tests

Does taking curcumin interfere with a test to detect allergies? Find out in the Concerns and Cautions section of our Curcumin and Turmeric Supplements & Spices Review.

Also, see our article about supplements that may interfere with laboratory tests.

5/12/2023

Bee Pollen for Allergies?

Can taking bee pollen reduce symptoms of seasonal allergies? Find out in our article about bee pollen.

4/20/2014

Probiotic Helps a Little with Allergy

Among people already taking a daily antihistamine, adding a daily probiotic provided a small, additional benefit -- particularly with ocular (eye) symptoms, according to a new study.  For more information about the probiotic used, and our tests of probiotic supplements, see the updated Probiotic Supplements Review >>   

5/21/2024

Allergy to Metamucil

Asthma and allergic reactions to psyllium fiber supplements, including Metamucil, have been reported, although not common. Get the details in the Concerns and Cautions section of our Psyllium Review, which includes our Top Picks for psyllium.

1/19/2024

Protein Powder Allergy?

It is possible to be allergic to a protein powder, and some potential allergens need not be disclosed as allergens on labels. Learn more in the Cautions and Concerns section of our Protein Powders & Shakes Review.

11/17/2023

Flaxseed Allergy

Although uncommon, allergic reactions to flaxseed are increasing, possibly due to flaxseed in food products. Get the details in the Concerns and Cautions section of our Flaxseed Review. Also see our Top Picks for whole and ground flaxseed.

10/20/2023

Fenugreek Allergy

Can fenugreek cause an allergic reaction? Yes, although it's rare. See who is most susceptible in the Side Effects section of our article about the health benefits and safety of fenugreek.

6/13/2023

Vitamin B-12 Allergy

Rarely, vitamin B-12 supplementation can cause an allergic reaction, as highlighted by a recent case. Be aware of the risks of B-12 as explained in our B Vitamin Supplements Review, which includes our Top Picks for vitamin B-12 and other B vitamins.

6/23/2023

Non-animal Whey

How do “non-animal” whey protein products such as V-Whey and Mooless compare to regular whey protein, and are they suitable for people sensitive to lactose or with milk allergies? Find out in our Protein Powders Review.

Also see our Top Picks among protein powders.

11/04/2022

Sunscreen Allergy

Although uncommon, sunscreens can cause allergic skin reactions upon exposure to sunlight. Get the details about a recently reported case, and find out who is most likely to be affected, in our article about the best sunscreen based on safety and efficacy.