Ascorbic Acid / Calcium Ascorbate
Ascorbic Acid/Calcium Ascorbate is a combination supplement providing Vitamin C in both standard and buffered forms. The buffered calcium ascorbate formulation is gentler on the stomach, making it suitable for individuals who experience gastrointestinal discomfort with standard ascorbic acid. This supplement is used to treat or prevent vitamin C deficiency and support overall immune health, antioxidant function, and collagen synthesis.
A buffered vitamin C supplement that provides antioxidant support with reduced stomach irritation compared to standard ascorbic acid.
Key facts at a glance
- RxNorm
- 816394
- Generic
- Ascorbic Acid / Calcium Ascorbate
- Class
- multi-ingredient
- 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.
Prevention and treatment of vitamin C deficiency, support of immune function, antioxidant supplementation, and support of connective tissue health. Often used by individuals requiring high-dose vitamin C who are sensitive to acidic formulations.
Ascorbic acid (Vitamin C) is an essential water-soluble vitamin that acts as an antioxidant, supports immune cell function, and is required for collagen synthesis and iron absorption. Calcium ascorbate provides the same benefits while delivering calcium alongside, with reduced acidity.
Generally well-tolerated with minimal side effects. High doses may cause digestive upset or kidney stones in susceptible individuals. May interact with certain medications including blood thinners and chemotherapy drugs. Consult a healthcare provider before use if pregnant, breastfeeding, or taking other medications.
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