Vitamin C and Bio-Quercetin

Category: Vitamin C

Manufacturer:

Vitamin C plus ultra-absorbable quercetin for immune support

  • Protects against oxidation with 1,000 mg of vitamin C
  • Encourages healthy immune system function with highly-absorbable Bio-Quercetin
  • Promotes collagen formation and healthy iron uptake
  • Supports cardiovascular health

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Vitamin C and Bio-Quercetin

1000 mg, 250 vegetarian tablets

Item Catalog Number: 02227

Vitamin C benefits are enhanced with quercetin. So we’ve combined vitamin C with our highly-absorbable Bio-Quercetin, which is up to 62x more absorbable than standard quercetin, to help support immune function and cardiovascular health.

Benefits at a Glance:

  • Protects against oxidation with 1,000 mg of vitamin C
  • Encourages healthy immune system function with highly-absorbable Bio-Quercetin
  • Promotes collagen formation and healthy iron uptake
  • Supports cardiovascular health

Vitamin C and Bio-Quercetin

Vitamin C and your health

Immune health. Vitamin C has a well-deserved reputation for immune support: it helps encourage a healthy immune response, so you can have more days feeling your best.1-4

Cardiovascular health. When we think about vitamin C, odds are we don’t consider it for heart health—but maybe we should. Several clinical studies show that vitamin C helps promote healthy circulation, encouraging everything from healthy arterial blood flow to improved blood vessel dilation.5-7

Respiratory health. Vitamin C also supports healthy lung function. In one clinical study, daily vitamin C intake encouraged breathing quality after exercise.8 In another, vitamin C helped maintain healthy breathing when experiencing an immune response to a respiratory challenge.9

Clinically Studied for Greater Bioavailability

In a randomized clinical study, researchers compared the formulated Bio-Quercetin to unformulated quercetin. They found that the quercetin formulated with fenugreek fibers led to serum levels up to 62 times higher than unformulated quercetin.10

Antioxidant protection, immune health and more

Getting enough vitamin C is vitally important for overall health but the human body can’t make it, so you have to get vitamin C through diet or supplements.11 In fact, some studies have shown that vitamin C supplementation supports certain aspects of cardiovascular health.12

Plus, vitamin C’s biological activity is complemented by the health benefits of the flavonoid quercetin. In fact, vitamin C and bioflavonoids are often present together in healthy foods such as fruits and vegetables, notably citrus fruits.13

Highly-absorbable quercetin for immune health and more

There’s a long tradition of using quercetin to relieve the effects of seasonal immune challenges. In a randomized clinical trial, quercetin supplementation encouraged a healthy immune response in physically fit older adults.14

Another randomized controlled trial found similar results in trained athletes.15 And in double-blind clinical trials, quercetin promoted a healthy inflammatory response, reduced oxidative stress and helped maintain overall health.16,17

Supplement Facts

Serving Size 1 vegetarian tablet

Amount Per Serving
Vitamin C (as ascorbic acid) 1000 mg
Bio-Quercetin ® Proprietary Blend
providing 35% quercetin (5 mg) [from Japanese sophora concentrate (flower bud)], 30% galactomannans (4 mg) [from fenugreek (seed)]
15 mg
Other ingredients: microcrystalline cellulose, coating (purified water, hypromellose, glycerin), stearic acid, croscarmellose sodium, vegetable stearate, silica, sunflower lecithin, sunflower oil.


Non-GMO


Dosage and Use

Take one (1) tablet daily with food, or as recommended by a healthcare practitioner.


Warnings

KEEP OUT OF REACH OF CHILDREN

DO NOT EXCEED RECOMMENDED DOSE

Do not purchase if outer seal is broken or damaged.

When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

  1. Can Med Assoc J. 1974;111(1):31-6.
  2. Jama. 1975;231(10):1038-42.
  3. J Manipulative Physiol Ther. 1999;22(8):530-3.
  4. BMJ Mil Health. 2020
  5. Circulation. 1998;97(4):363-8.
  6. Circulation. 1996;93(6):1107-13.
  7. Circulation. 1999;99(25):3234-40.
  8. Respir Med. 2007;101(8):1770-8.
  9. Ann Allergy. 1990;65(4):311-4.
  10. ACS Omega. 2022;7(50):46825-46832.
  11. Abdullah, M., Jamil, R. T. and Attia, F. N. Vitamin C (Ascorbic Acid). Treasure Island (FL): StatPearls Publishing LLC.; 2019.
  12. Nutr Res. 2019;61:1-12.
  13. Linus Pauling Institute. Vitamin C. Accessed Jul. 5, 2019.
  14. https://lpi.oregonstate.edu/mic/vitamins/vitamin-C
  15. Pharmacol Res. 2010;62(3):237-42.
  16. Med Sci Sports Exerc. 2007;39(9):1561-9.
  17. Clin Nutr. 2011;30(4):506-12.
  18. J Am Coll Nutr. 2017;36(1):9-15.

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