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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...
Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
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.
Made with Quality and Integrity: All our supplements are produced with a focus on clarity, consistency, and high standards. Every batch is tested to help ensure quality and peace of mind for wellness-focused consumers.
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: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the USA by a family owned and operated company since 1968
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.
Made with Quality and Integrity: All our supplements are produced with a focus on clarity, consistency, and high standards. Every batch is tested to help ensure quality and peace of mind for wellness-focused consumers.
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...
A TRUSTED SOURCE FOR OVER 43 YEARS: we were founded with the guiding principle that everyone deserves good health, and inspired by the research and recommendations of Linus Pauling, PhD, the world’s first two-time Nobel Laureate and pioneer of Vitamin C...
OUR PROMISE & GUARANTEE: we use only 100% pure pharmaceutical grade calcium ascorbate USP-FCC* (CaC12H14012), which contains no corn residue, plant antigens, or protein impurities, and no additional minerals
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.*
PURE & VEGAN FRIENDLY: Made with non-GMO ingredients in a GMP-certified facility. Our vegan capsules contain no artificial colors or preservatives. Quality you can trust from Innervis Nutrition for your long-term health goals.*
Heart Health: Highly absorbable calcium, which supports cardiovascular health*
Colon Health: Calcium has been associated with supporting colon health; support colon health with these calcium citrate supplements*
Bone Support: Calcium Citrate is a highly bioavailable calcium supplement, providing support for bone, cardiovascular, colon, and joint health*
Pure Quality: Our supplements are made with premium ingredients sourced from trusted suppliers and guided by nutritional experts, then manufactured and tested to verify potency and purity
Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs
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.
Made with Quality and Integrity: All our supplements are produced with a focus on clarity, consistency, and high standards. Every batch is tested to help ensure quality and peace of mind for wellness-focused consumers.
Last update on 2026-07-18 / 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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