Vitamin C Tablets by Life Extension- Facts, Benefits, Source, Deficiency - Dose

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Vitamin C Tablets - Facts, Benefits, Source, Deficiency - Dose

Vitamin C Tablets with Dihydroquercetin
250 Tablets / 1000 mg each

Vitamin C, or ascorbic acid, is a white, crystalline, water-soluble substance found in citrus fruits and green vegetables.  As an antioxidant, vitamin C scavenges free radicals in the body and protects tissues from oxidative stress.  Vitamin C also promotes the absorption of iron, while preventing its oxidation.  Vitamin C is a vital cofactor to the formation of collagen, the connective tissue that supports arterial walls, skin, bones, and teeth.

This and all our products are lead-free.  Be aware that many commercial C products imported from China contain lead which can cause neurological damage.  Many US manufacturers get their C from China to save money.

Since it was first isolated nearly 80 years ago, vitamin C has been deemed essential for life and for maintaining optimal health and well-being.

Its potent antioxidant properties and critical role in facilitating essential biochemical reactions throughout the body have made vitamin C the most widely consumed nutritional supplement.

Because humans do not manufacture vitamin C internally, it must be obtained through dietary sources or supplements. Few people realize, however, that vitamin C is a water soluble nutrient that is quickly oxidized and excreted by the body,1 which limits its efficacy. Until now, those seeking to capture vitamin C's optimal health benefits have had no choice but to consume it several times throughout the day.

Fortunately, a flavonoid antioxidant known as dihydroquercetin functions as a vitamin C "supercharger". Studies demonstrate that dihydroquercetin acts to inhibit the oxidation of vitamin C, thereby helping to maintain its concentration and to recycle vitamin C throughout the body.2,3 This synergistic relationship between dihydroquercetin and vitamin C greatly enhances the efficacy of both molecules in the body's organs and tissues.


Supplement Facts:  Serving Size - 1 tablet.  Servings Per Container 250

Amount Per Serving

Vitamin C (as ascorbic acid)

1000 mg

Dihydroquercetin-3-rhamnoside [from Grape Leaf Extract (Vitis vinifera)]

10 mg

Other ingredients: microcrystalline cellulose, stearic acid, croscarmellose sodium, magnesium stearate, silica, aqueous film coating (HPMC, propylene glycol, triacetin).

This product contains NO milk, egg, fish, peanuts, crustacean shellfish (lobster, crab, shrimp), soybeans, tree nuts, wheat, yeast, gluten, corn, or rice. Contains NO sugar, and no artificial sweeteners, flavors, colors, or preservatives.

Vitamin C with Dihydroquercetin was formulated for those seeking to obtain optimal efficacy and antioxidant protection from their vitamin C supplement.

Dosage and Use: 
One Tablet daily with meals, or as directed by a healthcare professional.  A dosage of 3 to 6 grams of various forms of vitamin C daily is recommended.  Up to 15 grams daily may be taken under physician supervision.  Large doses of ascorbic acid or ascorbates and any dose of ascorbyl palmitate should be consumed with meals.  All vitamin C products should be stored away from heat, light, and moisture although this is most important for pure ascorbic acid and ascorbyl palmitate powders.

Warnings Information:

  • For dietary supplement use only,
  • Keep Vitamin C Tablets supplements out of reach of children,
  • Do not exceed recommended dosage,
  • If you have a bad reaction, discontinue use immediately,
  • When using, please inform your physician,
  • If you are pregnant, lactating or have a medical condition, consult your health care professional before using this or any other nutritional sources,
  • If the effects of allergic reaction occurs, discontinue Vitamin C Tablets by Life Extension supplements immediately.

More Information

Pricing Information:  Vitamin C Tablets | Buffered (ester) Vitamin C Powder | B Complex | Vitamin B12 methylcobalamin | Vitamin K1, K2 |
Vitamin E / Gamma E
| Life Extension Mix

References for above:
1. PLoS Med. 2005 Sep;2(9):e307;author reply e309. Epub 2005 Sep 27.
2. Am J Clin Nutr. 1988 Sep;48(3):604-14.
3. J Food Tech. 1969;4:255-67.

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