Calcium Ascorbate Anhydrous
Calcium Ascorbate Anhydrous is a buffered, non-acidic form of vitamin C (ascorbic acid) combined with calcium. It is commonly used as a dietary supplement to support immune function, antioxidant protection, and collagen synthesis, while also providing supplemental calcium. This form is often preferred by individuals who experience gastrointestinal sensitivity with regular ascorbic acid.
A buffered, stomach-friendly vitamin C supplement combined with calcium for immune support and general wellness.
Key facts at a glance
- RxNorm
- 1307765
- Generic
- Calcium Ascorbate Anhydrous
- Class
- pin-variant
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Used as a vitamin C dietary supplement for antioxidant support, immune function maintenance, and collagen synthesis. May benefit individuals with sensitive stomachs who cannot tolerate regular ascorbic acid, and those seeking combined vitamin C and calcium supplementation.
Provides bioavailable vitamin C (ascorbic acid) which acts as an antioxidant and is essential for various enzymatic reactions in the body, including collagen synthesis and immune cell function. The calcium component is also absorbable and contributes to daily calcium intake.
As a dietary supplement rather than a prescription medication, it is generally well-tolerated. Individuals with kidney disease, hypercalcemia, or those on specific medications should consult a healthcare provider before use. Doses exceeding 2,000mg daily may cause digestive discomfort in some users.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy