What Is Calcium Ascorbate?
Calcium Ascorbate is a buffered form of Vitamin C that combines ascorbic acid (vitamin C) with calcium. This combination makes it less acidic and easier on the stomach than traditional vitamin C supplements. It provides the same immune-boosting and antioxidant benefits but with an added dose of calcium—supporting bone, joint, and cellular health at the same time.
At aiherba.com, we provide GMP-certified calcium ascorbate powder produced under strict quality control in our factory-direct facility in Shaanxi, China. Our team at Shaanxi Zhonghong Investment Technology Co., Ltd. specializes in bulk plant extract manufacturing, dietary supplement ingredients, and customized specifications for cosmetics, food, and pharmaceutical applications.
📧 Contact: sales@aiherba.com | info@aiherba.com | liaodaohai@gmail.com
Key Specifications
- English Name: Calcium Ascorbate
- Synonym: Buffered Vitamin C
- Specification: ≥99% purity (HPLC)
- Appearance: White crystalline powder
- CAS Number: 5743-28-2
- Solubility: Water-soluble
- Standard: GMP / ISO / Food-grade / Cosmetic-grade
- Packaging: 25kg/drum (customized packaging available)
- Lead Time: 5–7 working days
Ingredients and How It Works
Each serving of calcium ascorbate delivers:
- Vitamin C (ascorbate) — supports immunity, collagen production, and antioxidant protection.
- Calcium — contributes to bone strength, muscle function, and nerve signaling.
Calcium ascorbate works by releasing vitamin C slowly in the body, helping maintain higher plasma vitamin C levels for longer. This makes it ideal for individuals who are sensitive to acidic vitamin C forms or have gastrointestinal issues.
Top Benefits and Efficacy
- Gentle on the Stomach:
The calcium buffer neutralizes acidity, making it ideal for people prone to acid reflux or stomach irritation. - Supports Immune Defense:
Vitamin C enhances the activity of white blood cells and helps reduce the duration of colds and infections. - Promotes Collagen Formation:
Essential for healthy skin, cartilage, bones, and wound healing. - Powerful Antioxidant Action:
Neutralizes free radicals and oxidative stress, slowing down cellular aging. - Bone Health Support:
Provides an additional source of calcium, promoting stronger bones and teeth. - Improved Iron Absorption:
Vitamin C enhances non-heme iron uptake, reducing the risk of anemia. - Enhanced Energy and Metabolism:
Plays a role in carnitine synthesis, helping convert fat into usable energy. - Better Vitamin C Retention:
Buffered forms like calcium ascorbate stay longer in the bloodstream compared to regular ascorbic acid. - Ideal for Sensitive Users:
Suitable for individuals who experience gastric discomfort from acidic supplements. - Dual Nutrient Advantage:
Combines two essential nutrients — calcium and vitamin C — for comprehensive health support.
How to Take Calcium Ascorbate
- Recommended Dose: 500–1000 mg daily (split doses for better absorption).
- Best Time to Take: With meals for improved calcium absorption.
- Form: Powder, capsule, or tablet.
- Mixability: Fully water-soluble, suitable for beverages, functional foods, and dietary supplements.
💡 Tip: Avoid taking calcium ascorbate at the same time as high-dose vitamin D or iron supplements—space them out by 2 hours for optimal absorption.
Who Should Take It?
- Adults seeking immune and antioxidant support
- Individuals with sensitive stomachs
- Seniors needing extra calcium for bone density
- Pregnant women (consult your doctor first)
- Athletes exposed to oxidative stress or fatigue
Possible Side Effects and Precautions
Calcium ascorbate is generally recognized as safe (GRAS). However, excessive intake (over 2000 mg/day of vitamin C) may cause mild bloating or diarrhea.
Avoid high doses if you have:
- Kidney stones
- Calcium metabolism disorders
- Severe renal impairment
Always consult a healthcare provider before starting any supplement regimen, especially during pregnancy or medication use.
Applications Across Industries
✅ Cosmetics: Used in serums, creams, and lotions for brightening and anti-aging effects.
✅ Dietary Supplements: Common ingredient in immune and bone support formulations.
✅ Functional Foods & Beverages: Natural antioxidant and preservative.
✅ Pharmaceuticals: API ingredient for immune health and antioxidant therapy.
We provide free sample herbal extracts, customized specifications, and bulk orders for OEM API suppliers and private label brands worldwide.
Why Choose Shaanxi Zhonghong (aiherba.com)?
- 🌿 28 Years of Experience: Trusted herbal extract manufacturer and dietary supplement raw material supplier.
- 🧪 Professional QC Lab: HPLC, UV, GC, and microbial testing according to USP, EP, and FCC standards.
- 🏭 Factory-Direct Supply: GMP, ISO, and Halal-certified production lines.
- 🌍 Global Export Experience: Europe, North America, Southeast Asia, and Australia.
- ⚙️ Customized Formulas: OEM/ODM services for capsules, powders, and beverages.
- 🧴 Free Sample Service: Available for serious B2B buyers.
Frequently Asked Questions (FAQ)
1. Is Calcium Ascorbate natural or synthetic?
It’s semi-synthetic — made by combining natural vitamin C with calcium.
2. Can I take calcium ascorbate before a colonoscopy?
No, avoid all vitamin C supplements before the procedure as they can interfere with colon visualization.
3. Does it help iron absorption?
Yes, vitamin C improves non-heme iron absorption from plant-based foods.
4. Can pregnant women take calcium ascorbate?
Yes, under medical guidance. It supports immune and collagen health during pregnancy.
5. Where can I buy Calcium Ascorbate in bulk?
From Shaanxi Zhonghong Investment Technology Co., Ltd., a GMP-certified manufacturer and supplier in China. Visit aiherba.com.
References
- NIH: Vitamin C Fact Sheet
- PubMed: Buffered Vitamin C and Gastrointestinal Tolerance
- FDA GRAS Notice: Calcium Ascorbate Safety
Final Thoughts
Calcium Ascorbate offers a gentle, effective, and dual-benefit way to get your daily vitamin C. Whether you’re formulating a cosmetic product, dietary supplement, or functional beverage, this ingredient stands out for its stability, bioavailability, and user tolerance.
For bulk purchase, OEM customization, or free samples, contact:
📧 sales@aiherba.com | info@aiherba.com | liaodaohai@gmail.com
🌐 www.aiherba.com
Your trusted organic plant extract supplier and GMP-certified herbal ingredient manufacturer in China.