Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 11 Researches
7.5
USERS' SCORE
Good
Based on 5 Reviews
8.4
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Vitamin A (100% as Beta-Carotene)(from Blakeslea trispora and Sunflower Oil)
7,500 mcg
833%

Top Medical Research Studies

9
Vitamin A and allergy management
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
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
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.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 11 Researches
7.5
  • All Researches
9.5
Effective immunotherapy for food allergies
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
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
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
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
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.
Read More

User Reviews

USERS' SCORE
Good
Based on 5 Reviews
8.4
  • All Reviews
  • Positive Reviews
  • Negative 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.
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

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
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
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
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

  1. Lotfi R. Retinoic Acid (RA): A Critical Immunoregulatory Molecule in Asthma and Allergies. Immun Inflamm Dis. 2024;12:e70051. 10.1002/iid3.70051
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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.
  9. 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
  10. 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
  11. 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
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