LifeSource Vitamins
Rated 4.62 out of 5
8 Reviews

Vitamin C Superior C 500 mg - Threonic Acid - Enhanced Buffered Bioavailable Vitamin C - 2 Sizes

Original Price: $19.99   Current Price: $19.99
  • Supports healthy immune function*
  • Provides antioxidant activity & cellular wellness*
  • Supports collagen formation & healthy skin*
  • Supports healthy aging & vitality*
  • Supports healthy circulation & cardiovascular wellness*
  • Features Transport C-PLUS® enhanced buffered vitamin C blend*
  • Includes alpha lipoic acid, citrus bioflavonoids, rose hips & rutin*
  • 3rd-Party Tested - Trusted Since 1992*
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Recurring Subscription

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Product Details

Superior C 500 mg with Rose Hips & Bioflavonoids — 1 Veg Capsule

LifeSource Vitamins Superior C 500 mg is an advanced, comprehensive formula that combines buffered Vitamin C with Transport C-PLUS®, alpha lipoic acid, citrus bioflavonoids, rose hips, acerola, and rutin. This synergistic blend is designed to support healthy immune function, provide powerful antioxidant protection, and promote collagen synthesis more effectively than standard Vitamin C alone.*

✅ Family-Owned Since 1992
✅ Made in the USA
✅ Third-Party Tested

⭐ Trusted by customers nationwide with over 7,000 5-star reviews

Key Benefits

  • Supports Immune Wellness* — Helps maintain healthy immune system function and daily defenses.*
  • Provides Antioxidant Protection* — Neutralizes free radicals and supports cellular wellness.*
  • Supports Collagen Formation* — Essential for collagen synthesis and healthy skin & tissue.*
  • Enhanced Formula* — With bioflavonoids, rose hips, and alpha lipoic acid for comprehensive support.*

Who May Benefit Most

  • Adults seeking enhanced daily immune and antioxidant support*
  • Those looking to support healthy collagen production and skin health*
  • Individuals wanting a buffered, advanced Vitamin C formula*
  • Anyone preferring a synergistic blend with bioflavonoids and rose hips*

Key Ingredients

  • Vitamin C (as Threonic Acid Enhanced Buffered Calcium Ascorbate) — 500 mg per capsule — Advanced form formulated to support immune wellness, antioxidant protection, and collagen synthesis.*
  • Transport C-PLUS® Blend — Includes Alpha Lipoic Acid and enhanced ascorbate for better support.*
  • Citrus Bioflavonoid Complex, Rose Hips, Acerola & Rutin — Synergistic plant compounds traditionally paired with Vitamin C.*
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy Produced in FDA-registered, GMP-certified facilities. See Our 3rd Party Testing →

Why Trust LifeSource Vitamins?

  • Family-Owned and Operated Since 1992
  • Serving Customers Nationwide Since 1992
  • More Than 7,000 Verified 5-Star Reviews (4.8–4.9 average)
  • Made in the USA in FDA-registered, GMP-certified facilities
  • Independently Third-Party Tested for Identity, Purity, Potency & Label Accuracy
  • Non-GMO • Gluten-Free • Family-Owned Company

Our Quality Promise
Since 1992, LifeSource Vitamins has remained committed to providing high-quality supplements made with carefully selected ingredients and rigorously tested for identity, purity, potency, and label accuracy. As a family-owned company, we believe you deserve transparency, consistency, and products you can trust to support your wellness goals.

Wellness Research & Education

LifeSource Vitamins evaluates wellness research and educational resources from respected organizations including the National Institutes of Health (NIH), Mayo Clinic, Harvard Health, Johns Hopkins Medicine, Cleveland Clinic, Mount Sinai, and other trusted health resources.

  • Supports healthy immune function — Vitamin C is a key nutrient that accumulates in immune cells and helps support normal immune function.
  • Provides antioxidant protection — Helping to neutralize free radicals and protect cells from oxidative stress.
  • Supports collagen formation — Essential for the production of collagen, important for healthy skin, blood vessels, and connective tissue.

Suggested Use

As a dietary supplement, adults take one (1) vegetarian capsule daily with meals, or as directed by your healthcare professional.*

Product Specifications

• Serving Size: 1 Vegetarian Capsule
• Servings Per Container: 100
• Vitamin C (as Threonic Acid Enhanced Buffered Calcium Ascorbate): 500 mg (556% Daily Value)
• Calcium (from Buffered Calcium Ascorbate): 60 mg (5% Daily Value)
• Transport C-PLUS® Blend, Alpha Lipoic Acid, Citrus Bioflavonoids, Rose Hips, Acerola & Rutin
• Vegetarian • Non-GMO • Gluten-Free

Customer Reviews

This product is backed by LifeSource Vitamins' commitment to quality and customer satisfaction, supported by over 7,000 five-star reviews across our product catalog.

— Verified LifeSource customers.

Often Paired With

Explore More Vitamin C Products →

Recommended Reading

Questions? Call us at 800-567-8122 or email info@lifesourcevitamins.com

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Supports immune wellness, antioxidant protection, and collagen formation with Superior C 500 mg with Rose Hips. Family-Owned & Trusted Since 1992.*

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