Ultra C™ 1000 | Metagenics® | 90 Tablets



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1000 mg Vitamin C Antioxidant Supplement

Stomach-friendly vitamin C for immune support*

Help Support the Maintenance of Good Health

High vitamin C intake is sometimes associated with stomach upset. Ultra Potent-C 1000 is a proprietary, patented vitamin C formula that features a buffered delivery system designed to help prevent this. Preliminary scientific research suggests that vitamin C in the form of Ultra Potent-C may result in improved uptake of the vitamin by white blood cells when compared to regular ascorbic acid.*

Metagenics Ultra C 1000 includes high-quality:

  • Vitamin C (calcium ascorbate, niacinamide ascorbate, ascorbic acid, sodium ascorbate, magnesium ascorbate, ascorbyl palmitate, potassium ascorbate)
  • L-Lysine (L-lysine HCl)
  • Citrus Bioflavonoids (Citrus sinensis L., Citrus reticulata) fruit extract standardized to 45% hesperidin
  • D-Ribose
  • Xylitol
  • L-Cysteine (L-cysteine HCl)
  • L-Glutathione


  • Vitamin C antioxidant
  • Each tablet contains 1,000 mg of gentle, stomach-friendly vitamin C
  • An excellent source of the antioxidant vitamin C
  • Buffered delivery system helps prevent the potential stomach upset
  • HELPS with the maintenance of good health, wound healing, connective tissue formation and maintenance of bones, cartilage, and teeth.
  • IDEAL for adult looking for a powerful vitamin C supplement packed with antioxidants.
  • EFFECTIVE – Ultra C 1000 includes high-quality Vitamin C, L-Lysine, Citrus Bioflavonoids, D-Ribose, Xylitol, L-Cysteine and L-Glutathione, for maximum efficiency.
  • TRUSTWORTHY – Ultra C 1000 is a licensed Natural Health Product by Health Canada. NPN: 80033880
  • This product is non-GMO and gluten-free.


  • An antioxidant for the maintenance of good health.
  • Helps in wound healing and connective tissue formation.
  • Helps in the development and maintenance of bones, cartilage, and teeth.

Label & Supplement Facts

Ingredient Amount % Daily Value
Serving Size 1 Tablet  
Servings Per Container 90  
Vitamin C 1,000 mg  1,111%
Niacin 70 mg  438%  
Calcium 40 mg  3% 
Sodium 10 mg  <1%
L-Lysine 33 mg  ** 
Citrus Bioflavonoid Complex
 [standardized to 45% (14.4 mg) full spectrum bioflavonoids]
32 mg  **
Tetrasodium Pyrophosphate 14 mg  **
Alpha D-Ribofuranose 13 mg  **
Xylitol 9 mg  **
L-Cysteine 8 mg  **
L-Glutathione 5 mg  **

**Daily Value not established.


Ultra Potent-C® (calcium ascorbate, niacinamide ascorbate, ascorbic acid, sodium ascorbate, magnesium ascorbate, L-lysine HCl, ascorbyl palmitate, citrus bioflavonoid complex, potassium ascorbate, tetrasodium pyrophosphate, alpha D-ribofuranose, L-cysteine HCl, xylitol, and L-glutathione), microcrystalline cellulose, croscarmellose sodium, hydroxypropylcellulose, coating (hypromellose, medium-chain triglycerides, and hydroxypropylcellulose), silica, magnesium stearate (vegetable), and niacinamide.


This product is non-GMO, gluten-free and vegetarian.


Take one tablet up to two times daily or as directed by your healthcare practitioner.

About the brand

At Metagenics we are also committed to supporting our global community and doing our part for a sustainable future. Our products are MADE IN USA in our ZERO WATER FOOTPRINT facility of Gig Harbor. All our campus water is treated and sent back to the Puget Sound. 

Beyond industry standards, every product made by Metagenics is tested for purity, potency and consistency. You can look up the quality test results of your Ultra C 1000 supplement thanks to the Metagenics Canada TruQuality online tool.


Keep out of the reach of children.

Keep tightly closed in a cool, dry place.

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