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Vitamin C is one of the leading vitamins for immune support, and for good reason.* It is essential for the optimal functioning of white blood cells, and is a potent antioxidant that helps to fight free radicals.* It also helps to regenerate vitamin E to their active state to maintain antioxidant support.* Unlike most other animals, humans cannot synthesize their own vitamin C so it must be obtained from dietary sources. As a water soluble vitamin, it cannot be readily stored in the body. This means adequate amounts of vitamin C should be consumed every day.
The Recommended Dietary Allowance (RDA) for adults is between 75-90 mg per day depending on gender, but some experts recommend a daily intake of at least 200 mg per day for healthy individuals. 3
National survey data indicates Americans are not meeting the recommendations for daily fruit and vegetable intake, resulting in a significant prevalence of about 40% of Americans with inadequate dietary intake of vitamin C.1 A study gave subjects either regular Vitamin C or a specialized form of Vitamin C known as Ester-C®.2 Results found that Vitamin C from Ester-C® stayed in the white blood cells for up to 24 hours, which was longer than regular Vitamin C. White blood cells are an important part of the immune system.
Vitamin C has health benefits that may vary, depending on dosage and type. Please refer to the product page for the specific benefits of each supplement.
Shop Vitamin C online at Puritan’s Pride®, our vitamins go through rigorous testing to ensure premium quality, and are available at an affordable price so you can stock up. Vitamin C available in tablets softgels, and caplets. For those that have difficulty with pills, Vitamin C is also available in gummies, chewables and effervescent packs that dissolve in water.
Ester-C® is a registered trademark of The Ester-C Company.
1. Fulgoni VL, et al. J Nutr. 2011 Oct;141(10):1847-54.
2. Mitmesser, S. H., et al. SpringerPlus. 2016. 5(1): 1-11.
3. Cal der PC, et al. Nutrients. 2020;12(4):1181.