Ultra Potent-C® Powder – Buffered Vitamin C for Immune & Antioxidant Support
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Estimated Delivery:May 13 - May 17
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Free Shipping: On all orders over $50
Pick-up: Available in 2-4 business days

Ultra Potent-C® Powder – Buffered Vitamin C for Immune & Antioxidant Support
Ultra Potent-C® Powder – Buffered Vitamin C for Immune & Antioxidant Support
Product Overview
Ultra Potent-C® Powder by Metagenics, available at Rock Ridge Pharmacy, delivers a clinically studied, high-potency vitamin C formula in a gentle, buffered powder form. Ideal for individuals who prefer a drinkable option, this formula supports immune function, antioxidant defense, and collagen production, while helping to reduce stomach discomfort often associated with high-dose vitamin C.
Each serving provides over 1,000 mg of vitamin C along with key cofactors like bioflavonoids, L-lysine, glutathione, and niacin to support cellular health and absorption. Preliminary research suggests that Ultra Potent-C® is absorbed more effectively by white blood cells than regular ascorbic acid.*
Ultra Potent-C® Powder – Key Benefits
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Delivers 1,088 mg of buffered vitamin C per serving
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Designed to support immune function and antioxidant protection
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Gentle on the stomach with a non-acidic, buffered formula
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Includes bioflavonoids, glutathione, lysine, and other cofactors
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Mixes easily in warm water for convenient daily use
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Non-GMO and gluten-free
Ingredients & Nutritional Profile
Serving Information
Serving Size: 1/4 Rounded Teaspoon (1.95 g)
Servings Per Container: Approx. 122
Nutrient Breakdown
Ingredient | Amount Per Serving | % Daily Value |
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Vitamin C (Ultra Potent-C® blend) | 1,088 mg | 1,209% |
Niacin | 84 mg | 525% |
Calcium | 50 mg | 4% |
Magnesium | 8 mg | 2% |
Sodium | 15 mg | 1% |
Xylitol | 192 mg | * |
L-Lysine | 40 mg | * |
Citrus Bioflavonoid Complex | 38 mg | * |
Tetrasodium Pyrophosphate | 16 mg | * |
Alpha D-Ribofuranose | 15 mg | * |
L-Cysteine | 11 mg | * |
L-Glutathione | 5 mg | * |
*Daily Value not established
Other Ingredients
Ultra Potent-C® blend: calcium ascorbate, ascorbic acid, niacinamide ascorbate, xylitol, sodium ascorbate, magnesium ascorbate, L-lysine HCl, ascorbyl palmitate, citrus bioflavonoids, potassium ascorbate, tetrasodium pyrophosphate, alpha D-ribofuranose, L-cysteine HCl, L-glutathione
Does Not Contain
Gluten, GMOs, artificial preservatives, or synthetic sweeteners
How to Take Ultra Potent-C® Powder
Dosage: Mix a rounded 1/4 teaspoon in 4–6 oz of warm water and stir well
Frequency: Take once daily, or as directed by your healthcare provider
Best Time to Take: With food or between meals for immune and antioxidant support
Who Should Avoid It?
Consult your healthcare practitioner if you are pregnant, nursing, or taking medications. Keep out of reach of children.
Frequently Asked Questions (FAQs)
1. How is Ultra Potent-C® Powder different from regular vitamin C powders?
It contains a patented blend of buffered vitamin C and cofactors to enhance absorption and reduce stomach upset.
2. Is it easy to mix?
Yes. Just stir 1/4 teaspoon into warm water—it dissolves quickly and tastes mild.
3. Can it support daily immunity and recovery?
Yes. It supports white blood cell activity, antioxidant defense, and overall immune health.*
4. Is this safe for sensitive stomachs?
Yes, the buffered formula is gentler than acidic forms of vitamin C.
5. Can it be used in a vitamin regimen?
Absolutely. It’s ideal for daily use and compatible with most supplement routines.
Why Buy from Rock Ridge Pharmacy?
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Trusted source of pharmacist-approved clinical-grade supplements
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Fast, secure shipping and expert customer care
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Immune and wellness support tailored to your lifestyle
Order Ultra Potent-C® Powder Today – Only at Rock Ridge Pharmacy
Enjoy high-dose immune support in a gentle, easy-to-mix powder. Get the antioxidant and collagen benefits of vitamin C—without the discomfort.
Available now – Shop confidently at Rock Ridge Pharmacy!