Vitamin A is a fat-soluble vitamin reported to facilitate eye, skin, immune system and other bodily functions and development. It was originally named "Fat-Soluble A", but renamed to "Vitamin A" in 1920.[4]
Vitamin A Deficiency and Toxicity
Vitamin A deficiency is very uncommon in the United States and other industrialized nations. Long-term deficiency may lead to dry eye and night blindness.[1,3]As it is a fat-soluble molecule, it's important to be highly aware of long-term accumulation and toxicity.[5]
Vitamin A is also antagonistic to vitamin D in animal models.[6]
Additionally, people with liver disease who also drink excessive amounts of alcohol may have a better chance of suffering liver damage from consuming vitamin A supplements.[1]
For these reasons, we express caution when discussing vitamin A supplements.
References
- "Vitamin A (Retinol);" MayoClinic.com
- "Vitamin A;" WebMD.com
- "Vitamin A;" Dietary Supplement Fact Sheet; Office of Dietary Supplements; National Institutes of Health
- Drummond, Cecil Jack; "The Nomenclature of the So-Called Acceassory Food Factors (Vitamins)."; The Biochemical Journal vol. 14,5 (1920): 660. doi:10.1042/bj0140660; https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1258930/pdf/biochemj01182-0127.pdf
- Olson, Jazmine M., et al. "Vitamin A Toxicity." StatPearls, StatPearls Publishing, 8 August 2022; https://pubmed.ncbi.nlm.nih.gov/30422511/
- Rohde, Cynthia M., et al. "Vitamin a Antagonizes the Action of Vitamin D in Rats." The Journal of Nutrition, vol. 129, no. 12, 1 Dec. 1999, pp. 2246–2250, 10.1093/jn/129.12.2246; https://academic.oup.com/jn/article/129/12/2246/4722077
Vitamin A News on PricePlow
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Apr 02, 2023 ![]()
Product News
Nature's Plus Vitamin A has new variations: Category: Vitamin A -
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Swanson Vitamins A C E & Selenium was created.
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Swanson Beta-Carotene was created.
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Product News
Swanson Vitamin A was created.
Category: Vitamin A -
Mar 04, 2023 Product News
Swanson Vitamin A, C, E & Selenium was created.
Categories: Selenium, Vitamin A, Vitamin C, Vitamin E -
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Product News
Vitacost Vitamins A & D3 was created.
Categories: Vitamin A, Vitamin D3 -
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Product News
Nature Made Vitamin A was created.
Category: Vitamin A -
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Ortho Molecular Vitamin A was created.
Category: Vitamin A -
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Nature's Way Vitamin A has new variations: Category: Vitamin A -
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Product News
Nordic Naturals Vitamin A + Carotenoids was created.
Categories: Beta Carotene, Vitamin A -
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Product News
KAL Vitamin A was created.
Category: Vitamin A -
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Natural Factors Vitamin A was created.
Category: Vitamin A -
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Superior Source Vitamin A was created.
Category: Vitamin A -
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Blog Post
Universal Uni-Liver Tablets: The OG Way to Supplement Vitamin A
Universal Uni-Liver is the original desiccated liver tablet supplement providing bovine liver and TONS of high-quality vitamin A. Learn about it here! -
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Product News
Country Life Dry Vitamin A was created.
Category: Vitamin A
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Vitamin A Price Alerts
The following price alerts are still active:
- May 28, 2023Carlson Vitamin A 120 Softgels dropped by 9% to $8.00 at eVitamins
- May 28, 2023Carlson Vitamin A 100 Softgels (only 10,000 IU) dropped by 9% to $6.66 at eVitamins
- May 28, 2023Carlson Vitamin A 100 Softgels (only 25,000 IU with Pectin) dropped by 8.3% to $9.29 at eVitamins
- May 23, 2023Carlson Vitamin A 100 Softgels (only 25,000 IU) dropped by 16.4% to $7.77 at Best Price Nutrition
- May 15, 2023Carlson Vitamin A 240 Softgels (only 25,000 IU Palmitate) dropped by 20% to $18.39 at Vitamin Shoppe
- May 14, 2023Superior Source Vitamin A 100 Tablets (only 3000mcg RAE (10000 IU)) dropped by 20.9% to $3.79 at AllStarHealth
- Apr 21, 2023Swanson Vitamin A 250 Softgels dropped by 44.9% to $5.69 at iHerb.com
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Vitamin A Reviews & Videos
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Feb 08, 2023Soul Performance Solace Joint Care: Targeting Systemic Inflammation
![Soul Performance Solace Joint Care: Targeting Systemic Inflammation]()
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Feb 01, 2023A Multivitamin with MitoPrime, SAMe, & Boron! Glaxon Multi+
![A Multivitamin with MitoPrime, SAMe, & Boron! Glaxon Multi+]()
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