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C Extra + Quercetin

Natural FactorsUpdated April 2026

Product Information

Form
Capsule
UPC
0 68958 01398 5
Product Type
Other Combinations
DSLD Entry Date
2021-04-22

Target Groups

VeganVegetarianAdult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

All Ingredients

IngredientAmount% DV
Vitamin C500 mg556%
Quercetin250 mg

† Daily Value not established.

Label Statements

Seals/Symbols

Isura Non-GMO - Mass Spec Documentation - Lab Tested

Suggested/Recommended/Usage/Directions

Suggested Usage: 1 capsule per day or as directed by a health professional.

Precautions re: Pregnant or Nursing or Prescription Medications

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.

Precautions re: Children

Keep out of reach of children.

Formula re: Contains

Our C Extra + Quercetin contains 500 mg of vitamin C and 250 mg of Quercetin. Vitamin C is a powerful antioxidant which supports healthy bones, cartilage, teeth and gums. It helps protect cells against free radical damage and vitamin C deficiencies in the daily diet, and supports healthy cell growth. Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps support healthy sinus, respiratory and immune system function.

Formulation re: Other

Easy-to-swallow capsules as compared to similar size tablets.

Formulation re: Other

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

Formulation re: Does NOT Contain

Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.

Formulation re: Vegetarian/Vegan

Suitable for vegetarians/vegans

Precautions re: All Other

Sealed for your protection. Do not use if seal is broken.

Storage

For freshness, store in a cool, dry place.

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

General Statements: All Other Content

Product of Canada Recyclable container and label.

Formulation re: Other

Immune Support

FDA Statement of Identity

Dietary Supplement

Formula re: Contains

C Extra + Quercetin Bioflavanoids 500 mg / 250 mg

Brand IP Statement(s) re: (c), (TM), (SM)

Isura is a trademark of ISURA.

General Statements: All Other Content

Item # Q057462

Supplement Facts Panel

Supplement Facts
Serving Size 1 Capsule(s)
Amount Per Serving% Daily Value*
Vitamin C
500 mg556%
Quercetin
250 mg

* Percent Daily Values are based on a 2,000 calorie diet.

† Daily Value not established.

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