Our exploration into the effects of vitamin A, particularly its active form known as retinoic acid, revealed some interesting insights regarding allergies. Vitamin A plays a key role in our immune system by helping to regulate immune responses, which is crucial for managing allergic reactions.
Research indicates that retinoic acid can promote the development of regulatory T cells, which are essential for maintaining balance in our immune system. These T cells help to suppress excessive immune responses that can lead to allergies. Additionally, they assist in managing inflammatory responses, which is particularly important for conditions like asthma and allergic reactions.
Notably, studies have shown that levels of retinoic acid are often lower in individuals suffering from asthma and allergies. Moreover, introducing retinoic acid as a treatment has been found to alleviate symptoms associated with allergies and reduce airway inflammation. This suggests that boosting retinoic acid levels in the body might be a promising therapeutic approach for those dealing with allergic conditions.
Overall, we conclude that vitamin A—through its derivative retinoic acid—holds significant potential for improving allergy management by enhancing immune regulation.
Read More
9
Vitamin A shows promise for allergies
Mould allergen Alt a 1 spiked with the micronutrient retinoic acid reduces Th2 response and ameliorates Alternaria allergy in BALB/c mice.
We investigated the effects of retinoic acid (RA), a form of vitamin A, on allergies, particularly focusing on the mould allergen Alt a 1. By examining how RA interacts with this allergen, we aimed to understand if it could help alleviate allergic reactions.
Our study involved assessing the RA and Alt a 1 complex in various settings, including lab tests with immune cells from individuals allergic to Alternaria, and experiments using sensitized mice. We found that when Alt a 1 was bound to RA, it significantly decreased certain immune responses associated with allergies, particularly the release of a key marker called IL-13 from immune cells.
Interestingly, this RA complex reduced the allergen's ability to bind to IgE, the antibody responsible for allergic reactions, suggesting that RA may mask allergic triggers. In our mouse experiments, those treated with the RA-bound allergen had fewer severe allergic reactions compared to those treated with the regular allergen.
Overall, our findings point towards the potential of using RA in therapies aimed at managing Alternaria allergies, suggesting a new, promising strategy for enhancing allergic immunotherapy.
Read More
9
9cisRA alters dendritic cell function
9-cis-Retinoic acid induces a distinct regulatory dendritic cell phenotype that modulates murine delayed-type allergy.
We explored the impact of 9-cis-retinoic acid (9cisRA) on dendritic cells and their role in handling delayed-type allergies, particularly in hand eczema. Through our investigation, we found that 9cisRA creates a unique type of dendritic cell that plays a crucial part in reducing allergic responses.
These modified cells were shown to promote the formation of regulatory T cells, which help calm inflammation. However, while 9cisRA aids in adjusting immune responses, the study reveals these effects may not be strong enough to significantly improve allergic conditions on their own.
Read More
Most Useful Reviews
9
Effective for rashes
7 people found this helpful
Best beta carotene! I have tried numerous brands, and this one is by far the best. Both Now Foods products are good, but this one seems to be absorbed better. I get sun allergies with excessive sunlight exposure, but after a few weeks of using this beta carotene, I experience no rash at all! I have happily recommended it to all my friends and family, and will certainly continue its use. It's a must-try for anyone battling rashes from sun exposure!
Read More
9
Effective for sun allergies
3 people found this helpful
This product saves me from sun allergies! I have a severe sun allergy, and this is the only remedy that nearly eliminates it. It's crucial to start taking it at least three weeks prior to intended vacation or sun exposure. I typically begin a month in advance, and of course continue during the holidays.
Read More
9
Reduces seasonal allergies
This supplement has been instrumental in reducing the severity of my seasonal allergies.
Therapeutic reversal of food allergen sensitivity by mature retinoic acid-differentiated dendritic cell induction of LAG3CD49bFoxp3 regulatory T cells.
We assessed whether dendritic cell immunotherapy could potentially reverse food allergy sensitivities in mouse models. By using mature retinoic acid-stimulated dendritic cells, we aimed to see if they could induce regulatory T cells that help manage allergic responses.
The results were promising, showing an impressive reduction in anaphylactic reactions to allergens by up to 90%, alongside other beneficial effects. This suggests that such treatments could be valuable in clinical settings for promoting tolerance in food allergies, particularly through the creation of Foxp3 regulatory T cells.
Read More
9
Vitamin A and allergy management
Retinoic Acid (RA): A Critical Immunoregulatory Molecule in Asthma and Allergies.
Our exploration into the effects of vitamin A, particularly its active form known as retinoic acid, revealed some interesting insights regarding allergies. Vitamin A plays a key role in our immune system by helping to regulate immune responses, which is crucial for managing allergic reactions.
Research indicates that retinoic acid can promote the development of regulatory T cells, which are essential for maintaining balance in our immune system. These T cells help to suppress excessive immune responses that can lead to allergies. Additionally, they assist in managing inflammatory responses, which is particularly important for conditions like asthma and allergic reactions.
Notably, studies have shown that levels of retinoic acid are often lower in individuals suffering from asthma and allergies. Moreover, introducing retinoic acid as a treatment has been found to alleviate symptoms associated with allergies and reduce airway inflammation. This suggests that boosting retinoic acid levels in the body might be a promising therapeutic approach for those dealing with allergic conditions.
Overall, we conclude that vitamin A—through its derivative retinoic acid—holds significant potential for improving allergy management by enhancing immune regulation.
Read More
9
Vitamin A shows promise for allergies
Mould allergen Alt a 1 spiked with the micronutrient retinoic acid reduces Th2 response and ameliorates Alternaria allergy in BALB/c mice.
We investigated the effects of retinoic acid (RA), a form of vitamin A, on allergies, particularly focusing on the mould allergen Alt a 1. By examining how RA interacts with this allergen, we aimed to understand if it could help alleviate allergic reactions.
Our study involved assessing the RA and Alt a 1 complex in various settings, including lab tests with immune cells from individuals allergic to Alternaria, and experiments using sensitized mice. We found that when Alt a 1 was bound to RA, it significantly decreased certain immune responses associated with allergies, particularly the release of a key marker called IL-13 from immune cells.
Interestingly, this RA complex reduced the allergen's ability to bind to IgE, the antibody responsible for allergic reactions, suggesting that RA may mask allergic triggers. In our mouse experiments, those treated with the RA-bound allergen had fewer severe allergic reactions compared to those treated with the regular allergen.
Overall, our findings point towards the potential of using RA in therapies aimed at managing Alternaria allergies, suggesting a new, promising strategy for enhancing allergic immunotherapy.
Read More
9
9cisRA alters dendritic cell function
9-cis-Retinoic acid induces a distinct regulatory dendritic cell phenotype that modulates murine delayed-type allergy.
We explored the impact of 9-cis-retinoic acid (9cisRA) on dendritic cells and their role in handling delayed-type allergies, particularly in hand eczema. Through our investigation, we found that 9cisRA creates a unique type of dendritic cell that plays a crucial part in reducing allergic responses.
These modified cells were shown to promote the formation of regulatory T cells, which help calm inflammation. However, while 9cisRA aids in adjusting immune responses, the study reveals these effects may not be strong enough to significantly improve allergic conditions on their own.
Read More
9
Encapsulated vitamin A improves immunity
Liposome encapsulated all trans retinoic acid (ATRA) has enhanced immunomodulatory and inflammation reducing activities in mice model.
We explored the effects of all trans retinoic acid (ATRA), a form of vitamin A, on the immune system and inflammation using a mice model. Encapsulating ATRA in liposomes improved its effectiveness compared to free ATRA.
Our findings revealed that both forms increased immune responses, but the encapsulated version showed stronger immunostimulatory and anti-inflammatory effects. This was demonstrated through various parameters, like antibody levels and responses to inflammation. While both types showed benefits, liposome-encapsulated ATRA emerged as the superior option in managing immune and inflammatory conditions in the studied mice.
Best beta carotene! I have tried numerous brands, and this one is by far the best. Both Now Foods products are good, but this one seems to be absorbed better. I get sun allergies with excessive sunlight exposure, but after a few weeks of using this beta carotene, I experience no rash at all! I have happily recommended it to all my friends and family, and will certainly continue its use. It's a must-try for anyone battling rashes from sun exposure!
Read More
9
Effective for sun allergies
3 people found this helpful
This product saves me from sun allergies! I have a severe sun allergy, and this is the only remedy that nearly eliminates it. It's crucial to start taking it at least three weeks prior to intended vacation or sun exposure. I typically begin a month in advance, and of course continue during the holidays.
Read More
9
Reduces seasonal allergies
This supplement has been instrumental in reducing the severity of my seasonal allergies.
Read More
7.5
Helps with dermatitis
2 people found this helpful
Excellent! The dosage of one capsule is at the upper limit. I am 50, height 189, weight 86, and I take it in cycles of two weeks every two months. It is a fantastic remedy for those with a noticeable vitamin A deficiency. It aids me in combating allergies on my hands (skin dermatitis).
Read More
6
Prevents sun allergies
I take it a month before summer, and it helps prevent sun allergies, which cause unbearable itching.
Read More
Frequently Asked Questions
Allergies are the body's immune system responses to substances known as allergens, which can be harmless in most individuals. When a person with allergies encounters these allergens, their immune system mistakenly identifies them as a threat and launches a response. This can lead to symptoms ranging from mild, such as sneezing, itching, and rashes, to severe reactions known as anaphylaxis, which can be life-threatening. Common allergens include pollen, pet dander, certain foods like nuts and shellfish, insect stings, and medications.
Managing allergies often involves avoiding known allergens and using medications such as antihistamines or corticosteroids to alleviate symptoms. In some cases, doctors might recommend allergy shots or immunotherapy to help patients build tolerance over time. If you suspect you have allergies, consulting with a healthcare professional for proper diagnosis and treatment options is crucial. Understanding your triggers and how to live with allergies can significantly improve your quality of life.
Beta carotene is a natural pigment found in many fruits and vegetables, particularly those that are orange, yellow, and green. It is a type of carotenoid, which is a class of antioxidants that give plants their vibrant colors. The body converts beta carotene into vitamin A (retinol), which is essential for maintaining healthy vision, skin, and immune function. Foods rich in beta carotene include carrots, sweet potatoes, butternut squash, and leafy greens like spinach and kale.
In addition to its role in promoting overall health, beta carotene is attractive to those seeking to enhance their diets with antioxidant-rich foods. While supplementation can be beneficial for those with specific deficiencies, obtaining nutrients through whole foods is generally recommended. Most people can safely consume beta carotene through their diet, but it's worth noting that excessive intake from supplements can lead to skin discoloration and other health issues. Therefore, incorporating a variety of colorful fruits and vegetables into your daily meals is the best way to enjoy the benefits of beta carotene while ensuring a balanced intake of essential nutrients.
Based on user reviews, the time it typically takes to see results from this supplement for allergies can vary, but many users recommend starting the regimen several weeks in advance of anticipated allergen exposure. For instance, one user reported that they begin taking the supplement at least three weeks prior to sun exposure to effectively reduce their sun allergy symptoms Read Review. Another user mentioned that about a month of consistent use helps in preventing the unbearable itching associated with sun allergies Read Review.
Additionally, users cite noticeable improvements after a few weeks of use. One individual indicated that after using the supplement for a few weeks, they experienced no rashes from sun exposure Read Review. Overall, while the onset of benefits can vary among individuals, starting the supplement a month in advance appears to be a common strategy for those dealing with seasonal or sun allergies.
Vitamin A and its active derivatives, particularly retinoic acid, show promising potential in managing allergies, according to recent studies. Research indicates that retinoic acid can enhance the development of regulatory T cells, which play a vital role in moderating immune responses, thereby mitigating allergic reactions. In particular, one study found that retinoic acid effectively decreased immune responses associated with specific allergens, like the mould allergen Alt a 1, suggesting its role in reducing the severity of allergic reactions by lessening the allergen's ability to trigger those responses [2]. Further findings highlighted that boosting retinoic acid levels might improve immune regulation in individuals with asthma and allergies [1].
However, the evidence is not entirely conclusive regarding the broad efficacy of vitamin A in allergy management. Another study indicated that while vitamin A supplementation could influence allergic reactions, it may also increase the risk of atopy without a definitive improvement in wheezing occurrences [3]. Moreover, further research is warranted to fully understand the implications of vitamin A, particularly in therapeutic contexts for different allergic conditions. Therefore, while there's significant support for the potential benefits of retinoic acid in allergy management, more comprehensive investigations are needed to establish its reliability [1].
Users have reported a range of improvements in symptoms related to allergies after using this beta carotene supplement. Many individuals experiencing sun allergies noted significant relief, with one user stating that after a few weeks of consistent use, they experienced no rashes from sun exposure at all Read Review. Another user with a severe sun allergy highlighted that this supplement nearly eliminates their symptoms, particularly when taken a month prior to sun exposure Read Review.
In addition to sun-related issues, some users reported improvements in seasonal allergies and skin conditions. One reviewer mentioned that the supplement significantly reduced the severity of their seasonal allergies Read Review. Furthermore, another user noted that it helped tackle skin dermatitis, indicating its potential benefits for various allergy-related symptoms Read Review. These anecdotal experiences suggest that while individual results can vary, many users find substantial relief from allergy symptoms with this supplement.
Users report a positive experience when combining this beta carotene supplement with other remedies for handling allergies. Many individuals specifically mentioned that starting the supplement a few weeks or even a month in advance significantly enhances its effectiveness. For instance, one reviewer with a severe sun allergy found that this supplement nearly eliminates their symptoms when taken at least three weeks prior to sun exposure Read Review. Additionally, another user mentioned using it alongside other methods and noted impressive control over sun allergy rashes after consistent use Read Review.
Moreover, some users highlighted the supplement's role in alleviating seasonal allergies and skin conditions. One user reported a marked reduction in the severity of their seasonal allergies when incorporating this supplement into their regimen Read Review. Another individual noted success in treating skin dermatitis, indicating the complementarity of this supplement with other treatments Read Review. Overall, while individual results can vary, users seem to consistently find that this beta carotene supplement can be effectively combined with other approaches to manage allergy symptoms.
Based on user reviews, it appears that the timing and dosage of Beta Carotene play significant roles in managing allergic reactions, particularly those related to sun exposure. Many users suggest starting the supplement at least three weeks before expected sun exposure, with some recommending a full month in advance to effectively mitigate sun allergies. For instance, one user reported that starting a month prior to a vacation noticeably helps in preventing sun allergies and associated symptoms like itching Read Review.
In terms of dosage, one user mentioned that taking one capsule is near the upper limit of what they consider effective, and they cycle their intake for optimal results Read Review. Another user emphasized that consistency in taking Beta Carotene throughout the summer months is key to achieving the best results against sun-related allergies Read Review. Overall, users advocate for both an advanced start and a careful approach to dosage when using Beta Carotene for allergy management.
9
Effective for sun allergies
3 people found this helpful
This product saves me from sun allergies! I have a severe sun allergy, and this is the only remedy that nearly eliminates it. It's crucial to start taking it at least three weeks prior to intended vacation or sun exposure. I typically begin a month in advance, and of course continue during the holidays.
6
Prevents sun allergies
I take it a month before summer, and it helps prevent sun allergies, which cause unbearable itching.
9
Effective for rashes
7 people found this helpful
Best beta carotene! I have tried numerous brands, and this one is by far the best. Both Now Foods products are good, but this one seems to be absorbed better. I get sun allergies with excessive sunlight exposure, but after a few weeks of using this beta carotene, I experience no rash at all! I have happily recommended it to all my friends and family, and will certainly continue its use. It's a must-try for anyone battling rashes from sun exposure!
9
Reduces seasonal allergies
This supplement has been instrumental in reducing the severity of my seasonal allergies.
7.5
Helps with dermatitis
2 people found this helpful
Excellent! The dosage of one capsule is at the upper limit. I am 50, height 189, weight 86, and I take it in cycles of two weeks every two months. It is a fantastic remedy for those with a noticeable vitamin A deficiency. It aids me in combating allergies on my hands (skin dermatitis).
9
Vitamin A shows promise for allergies
Mould allergen Alt a 1 spiked with the micronutrient retinoic acid reduces Th2 response and ameliorates Alternaria allergy in BALB/c mice.
We investigated the effects of retinoic acid (RA), a form of vitamin A, on allergies, particularly focusing on the mould allergen Alt a 1. By examining how RA interacts with this allergen, we aimed to understand if it could help alleviate allergic reactions.
Our study involved assessing the RA and Alt a 1 complex in various settings, including lab tests with immune cells from individuals allergic to Alternaria, and experiments using sensitized mice. We found that when Alt a 1 was bound to RA, it significantly decreased certain immune responses associated with allergies, particularly the release of a key marker called IL-13 from immune cells.
Interestingly, this RA complex reduced the allergen's ability to bind to IgE, the antibody responsible for allergic reactions, suggesting that RA may mask allergic triggers. In our mouse experiments, those treated with the RA-bound allergen had fewer severe allergic reactions compared to those treated with the regular allergen.
Overall, our findings point towards the potential of using RA in therapies aimed at managing Alternaria allergies, suggesting a new, promising strategy for enhancing allergic immunotherapy.
9
Vitamin A and allergy management
Retinoic Acid (RA): A Critical Immunoregulatory Molecule in Asthma and Allergies.
Our exploration into the effects of vitamin A, particularly its active form known as retinoic acid, revealed some interesting insights regarding allergies. Vitamin A plays a key role in our immune system by helping to regulate immune responses, which is crucial for managing allergic reactions.
Research indicates that retinoic acid can promote the development of regulatory T cells, which are essential for maintaining balance in our immune system. These T cells help to suppress excessive immune responses that can lead to allergies. Additionally, they assist in managing inflammatory responses, which is particularly important for conditions like asthma and allergic reactions.
Notably, studies have shown that levels of retinoic acid are often lower in individuals suffering from asthma and allergies. Moreover, introducing retinoic acid as a treatment has been found to alleviate symptoms associated with allergies and reduce airway inflammation. This suggests that boosting retinoic acid levels in the body might be a promising therapeutic approach for those dealing with allergic conditions.
Overall, we conclude that vitamin A—through its derivative retinoic acid—holds significant potential for improving allergy management by enhancing immune regulation.
4
Vitamin A linked to increased atopy
Association of vitamin A supplementation with immune-related allergic diseases: A meta-analysis.
We explored how vitamin A supplementation influences allergic diseases, including conditions like allergic rhinitis and asthma. By analyzing various randomized controlled trials, we found that while vitamin A may increase the risk of atopy—an allergic reaction—there was no clear connection to wheezing.
These findings suggest that vitamin A is not the reliable treatment for allergies some may hope for. More research is needed to clarify these effects and their implications for allergy management.
References
Lotfi R. Retinoic Acid (RA): A Critical Immunoregulatory Molecule in Asthma and Allergies. Immun Inflamm Dis. 2024;12:e70051. 10.1002/iid3.70051
Fakhimahmadi A, Roth-Walter F, Hofstetter G, Wiederstein M, Jensen SA, et al. Mould allergen Alt a 1 spiked with the micronutrient retinoic acid reduces Th2 response and ameliorates Alternaria allergy in BALB/c mice. Allergy. 2024;79:2144. 10.1111/all.16181
Su J, Li T, Pan H. Association of vitamin A supplementation with immune-related allergic diseases: A meta-analysis. Front Nutr. 2022;9:984161. 10.3389/fnut.2022.984161
Kraus LF, Scheurmann N, Frenzel DF, Tasdogan A, Weiss JM. 9-cis-Retinoic acid induces a distinct regulatory dendritic cell phenotype that modulates murine delayed-type allergy. Contact Dermatitis. 2018;78:41. 10.1111/cod.12868
Dawicki W, Li C, Town J, Zhang X, Gordon JR. Therapeutic reversal of food allergen sensitivity by mature retinoic acid-differentiated dendritic cell induction of LAG3CD49bFoxp3 regulatory T cells. J Allergy Clin Immunol. 2017;139:1608. 10.1016/j.jaci.2016.07.042
Tan J, McKenzie C, Vuillermin PJ, Goverse G, Vinuesa CG, et al. Dietary Fiber and Bacterial SCFA Enhance Oral Tolerance and Protect against Food Allergy through Diverse Cellular Pathways. Cell Rep. 2016;15:2809. 10.1016/j.celrep.2016.05.047
Lee SY, Kim BS, Kwon SO, Oh SY, Shin HL, et al. Modification of additive effect between vitamins and ETS on childhood asthma risk according to GSTP1 polymorphism: a cross -sectional study. BMC Pulm Med. 2015;15:125. 10.1186/s12890-015-0093-0
Grace VM, Rimashree B. Liposome encapsulated all trans retinoic acid (ATRA) has enhanced immunomodulatory and inflammation reducing activities in mice model. Anticancer Agents Med Chem. 2015;15:196.
Maslova E, Hansen S, Strøm M, Halldorsson TI, Olsen SF. Maternal intake of vitamins A, E and K in pregnancy and child allergic disease: a longitudinal study from the Danish National Birth Cohort. Br J Nutr. 2014;111:1096. 10.1017/S0007114513003395
Kim HH, Kim DS, Kim SW, Lim SH, Kim DK, et al. Inhibitory effects of Diospyros kaki in a model of allergic inflammation: role of cAMP, calcium and nuclear factor-κB. Int J Mol Med. 2013;32:945. 10.3892/ijmm.2013.1465
Berlin GV. Evaluation of immunomodulatory and antitumor activity of all trans retinoic acid (ATRA) in solid tumor bearing mice. Immunopharmacol Immunotoxicol. 2013;35:110. 10.3109/08923973.2012.712137