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Calcium ascorbate offers a gentler, buffered form of vitamin C, making it a preferred choice for individuals sensitive to acidic supplements. Choosing the right calcium ascorbate supplement ensures you receive effective vitamin C benefits without digestive discomfort. Researching key product features will help you find a high-quality option that meets your wellness goals.
PURE, BUFFERED VITAMIN C POWDER: Supplies calcium ascorbate C, a buffered form of vitamin C that is bioavailable and non-acidic
ANTIOXIDANT PROTECTION*: A highly effective antioxidant that can help maintain healthy tissues by neutralizing free radicals generated during normal metabolism and exposure to environmental stressors*
CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Non-GMO, Vegan/Vegetarian, Nut Free, Made without Gluten, Dairy Free, Egg Free, Kosher
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
Calcium Ascorbate Powder: Buffered, less acidic form of vitamin C paired with calcium, widely used in immune-focused and antioxidant-focused wellness routines and supplement stacks.
Unflavored Easy-Mixing Powder: Fine, white powder, 1g servings, dissolves into water, juice, or smoothies for flexible, routine-friendly daily use, no capsules to swallow.
Vegan and Gluten Free: Single-ingredient calcium ascorbate, no flavors or proprietary blends, a clean base that pairs easily with other vitamins and minerals in your routine.
Made in a cGMP-Compliant Facility: Manufactured in a facility that follows current Good Manufacturing Practices (cGMP) for consistent, carefully produced supplements you can rely on.
Calcium Ascorbate Powder: Buffered, less acidic form of vitamin C paired with calcium, widely used in immune-focused and antioxidant-focused wellness routines and supplement stacks.
Unflavored Easy-Mixing Powder: Fine, white powder, 1g servings, dissolves into water, juice, or smoothies for flexible, routine-friendly daily use, no capsules to swallow.
Vegan and Gluten Free: Single-ingredient calcium ascorbate, no flavors or proprietary blends, a clean base that pairs easily with other vitamins and minerals in your routine.
Made in a cGMP-Compliant Facility: Manufactured in a facility that follows current Good Manufacturing Practices (cGMP) for consistent, carefully produced supplements you can rely on.
POWERFUL IMMUNITY BOOSTER: our Calcium Ascorbate powder is an easily absorbable form of essential nutrients: vitamin C, buffered with calcium (mined from the earth) that serves to fortify your body’s immune system, helping you and your family stay...
BE ACTIVE, STAY ACTIVE: highly soluble antioxidants support the production of carnitine, collagen, and certain neurotransmitters, vital to supporting optimal energy production, healthy looking skin, tissue repair, and brain health—PLUS calcium to...
ESSENTIAL NUTRIENTS IN OUR MOST BUFFERED FORM: pH 7.3. Each ½ tsp serving supplies 1760 Mg of pharmaceutical-grade vitamin c and 180 Mg of calcium
YOU’LL BE HAPPY IT’S MISSING: vegan, gluten-free and made without GMOs, milk, soy, eggs, yeast, wheat, rose hips, peanuts, tree nuts, fish, crustacean shellfish, animal products, fillers, binders, excipients, lubricants, starch, sweeteners, colorings...
Foundation for Wellness: Incorporate balance into your daily routine with our Calcium Ascorbate powder, a valuable source of calcium designed to complement wellness-focused lifestyles. This essential mineral supports your commitment to maintaining...
Daily Wellness Support: Elevate your routine with our Calcium Ascorbate powder, a balanced blend of calcium and Vitamin C that offers everyday nutritional support. This buffered form of Vitamin C is formulated to fit seamlessly into your wellness plan...
Easy-to-Use Convenient Form: Simplify your daily routine with our Calcium Ascorbate powder. No capsules required—just mix it into water, juice, or your favorite smoothie for quick, easy nutrition. Its versatile form fits effortlessly into any lifestyle...
Produced in a cGMP-Compliant Facility: Manufactured in a facility that follows current Good Manufacturing Practices (cGMP), ensuring a consistent and reliable product. This reflects our commitment to quality and care in every step of the process.
Foundation for Wellness: Incorporate balance into your daily routine with our Calcium Ascorbate powder, a valuable source of calcium designed to complement wellness-focused lifestyles. This essential mineral supports your commitment to maintaining...
Daily Wellness Support: Elevate your routine with our Calcium Ascorbate powder, a balanced blend of calcium and Vitamin C that offers everyday nutritional support. This buffered form of Vitamin C is formulated to fit seamlessly into your wellness plan...
Easy-to-Use Convenient Form: Simplify your daily routine with our Calcium Ascorbate powder. No capsules required—just mix it into water, juice, or your favorite smoothie for quick, easy nutrition. Its versatile form fits effortlessly into any lifestyle...
Produced in a cGMP-Compliant Facility: Manufactured in a facility that follows current Good Manufacturing Practices (cGMP), ensuring a consistent and reliable product. This reflects our commitment to quality and care in every step of the process.
ANTIOXIDANT PROTECTION*: NOW C-500 Calcium capsules provide a daily dose of vitamin C, which is necessary for the production of collagen and is therefore also important for skin, bone, and joint health*
CALCIUM ASCORBATE-C WITH BIOFLAVONOIDS: This product supplies calcium ascorbate, a buffered form of vitamin C that is bioavailable and non-acidic; it is enhanced with bioflavonoids, which work synergistically with vitamin C*
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
ULTRA POTENT GENTLE FORMULA: Deliver 1500mg of high-potency Vitamin C per serving. Our buffered formula uses Calcium Ascorbate to neutralize acidity, making it the perfect choice for those with sensitive stomachs who can't tolerate regular ascorbic acid.*
NON-ACIDIC & STOMACH FRIENDLY: Experience the benefits of Vitamin C without the digestive discomfort. This non-acidic buffered Vitamin C is designed for maximum absorption and gastrointestinal comfort, supporting your daily wellness routine easily.*
POWERFUL IMMUNE SYSTEM SUPPORT: Boost your body’s natural defenses. Our Vitamin C capsules provide essential antioxidant protection, helping to fight free radicals and supporting healthy collagen production for skin, joints, and overall vitality.*
HIGH ABSORPTION CALCIUM ASCORBATE: Unlike standard tablets, our buffered capsules ensure better bioavailability. Enhanced with Calcium, this formula provides a steady release of Vitamin C to keep your immune system strong throughout the day.*
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Calcium Ascorbate Mineral Supplements
Form and Purity
Look for supplements that clearly state the form of vitamin C used, ideally ascorbic acid bound with calcium. Purity is paramount; check for products free from artificial fillers, colors, or preservatives. Third-party testing certifications (like USP, NSF, or GMP) can provide added assurance of quality and potency.
Dosage and Absorption
Consider the dosage per serving, ensuring it aligns with your dietary needs or recommendations from a healthcare professional. While calcium ascorbate is generally well-absorbed, some formulations may include bioflavonoids, which can potentially enhance vitamin C absorption. Always check the ingredient list for any added components.
Formulation and Allergens
Many calcium ascorbate supplements are naturally gluten-free and dairy-free, but it's crucial to verify this on the label if you have specific dietary restrictions or allergies. Some products may be formulated as capsules, tablets, or powders, so choose the delivery method that best suits your preference.
Frequently Asked Questions
What is calcium ascorbate?
Calcium ascorbate is a mineral supplement that combines vitamin C (ascorbic acid) with calcium. This buffered form of vitamin C is less acidic than pure ascorbic acid, making it gentler on the stomach for many individuals.
Who should consider calcium ascorbate?
Individuals who experience stomach upset or heartburn from regular vitamin C supplements may benefit from calcium ascorbate. It's also a good option for those looking to supplement both their vitamin C and calcium intake simultaneously.
How should calcium ascorbate be taken?
Calcium ascorbate can typically be taken with or without food, although taking it with a meal might further minimize any potential for stomach discomfort. Follow the dosage instructions on the product label or as advised by your healthcare provider.
Are there any side effects of calcium ascorbate?
When taken as directed, calcium ascorbate is generally well-tolerated. However, like any supplement, excessive intake can potentially lead to mild digestive issues such as diarrhea or stomach cramps. It's always best to adhere to recommended dosages.
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