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Updated: 06 Apr 2026

10 Best Calcium Supplements Gluten-free

#1 Best Pick
21st Century Calcium Supplement, 600 mg, 400 Count

21st Century Calcium Supplement, 600 mg, 400 Count

Brand: 21st Century
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  • Compare active ingredients to Caltrate 600
  • Support for bone health
  • High in calcium
  • No added sugar, yeast, preservatives or artificial flavors
  • Gluten free
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#2 Best Value
Calcium | 1200mg | with Vitamin D3 | 300 Tablets | Vegetarian, Non-GMO, and Gluten Free | by Carlyle

Calcium | 1200mg | with Vitamin D3 | 300 Tablets | Vegetarian, Non-GMO, and Gluten Free | by Carlyle

Brand: Carlyle
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  • CALCIUM + D3: Add this duo of nutrients to your daily vitamin routine with advanced coated caplets
  • VEGETARIAN FORMULA: Provides 1200 mg per serving of Calcium (as Carbonate) plus Vitamin D3
  • ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
  • CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Lactose, Artificial Flavor, Artificial Sweetener and Non-GMO
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#3 Budget Pick
Best Naturals Calcium Citrate with Vitamin D-3 240 Tablets (240 Count (Pack of 2))

Best Naturals Calcium Citrate with Vitamin D-3 240 Tablets (240 Count (Pack of 2))

Brand: Best Naturals
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  • 3rd Party Lab Tested for Purity & Quality.
  • 240 Tablets of Calcium Citrate per Bottle.
  • Non-GMO & Gluten-Free.
  • Proudly Made in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
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#4 Top Choice
Absorbable Calcium + D3 | 1200 mg | 240 Softgels | 5000 IU Vitamin D3 | Non-GMO, Gluten Free Supplement | by Horbaach

Absorbable Calcium + D3 | 1200 mg | 240 Softgels | 5000 IU Vitamin D3 | Non-GMO, Gluten Free Supplement | by Horbaach

Brand: Horbäach
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  • ESSENTIAL VITAMINS AND MINERALS: Calcium and Vitamin D are two vital nutrients
  • POTENT MINERAL: Horbaach's Absorbable Calcium plus D3 is great for high absorption
  • STRONG SUPPORT: This complex is scientifically designed to support any routine or active lifestyle
  • HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, Flavoring & NON-GMO
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#5 Popular Choice
Pure Nutrition Ultra Calcium Citrate 1000mg Highly absorbable Calcium Supplement with Calcium Citrate Malate, Vitamin D, Zinc and Magnesium - 1 Tablet Daily (90 Veg Tabs) Non-GMO | Gluten-Free

Pure Nutrition Ultra Calcium Citrate 1000mg Highly absorbable Calcium Supplement with Calcium Citrate Malate, Vitamin D, Zinc and Magnesium - 1 Tablet Daily (90 Veg Tabs) Non-GMO | Gluten-Free

Brand: PURE NUTRITION NATURAL TREASURES
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  • Every tablet of 1250mg provide 1000 mg Calcium Citrate Malate, 50 mg Moringa, 50 mg Magnesium oxide and 400 IU Vitamin D
  • Contains 1000mg of Calcium Citrate Malate which is highly soluble and highly absorbable calcium
  • Calcium Citrate Malate is one of the most bioavailable forms of Calcium Helps maintain calcium levels. Helps in mineralization and collagen synthesis.
  • Recommended Dosage - 1 Tablet daily after Meal.
  • 100% vegetarian supplement made with natural and NON GMO ingredients
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#6 Top Pick
Pure Nutrition Ultra Calcium Citrate | 1250mg Tablet | Highly absorbable Calcium Supplement with Calcium Citrate Malate, Vitamin D, Magnesium and Zinc | Non-GMO | Gluten-Free | 120 Veg Tabs

Pure Nutrition Ultra Calcium Citrate | 1250mg Tablet | Highly absorbable Calcium Supplement with Calcium Citrate Malate, Vitamin D, Magnesium and Zinc | Non-GMO | Gluten-Free | 120 Veg Tabs

Brand: PURE NUTRITION NATURAL TREASURES
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  • Every tablet of 1250mg provide 1000 mg Calcium Citrate Malate, 50 mg Moringa, 50 mg Magnesium oxide and 400 IU Vitamin D
  • Contains 1000mg of Calcium Citrate Malate which is highly soluble and highly absorbable calcium. Calcium Citrate Malate is one of the most bioavailable forms of Calcium
  • Helps maintain calcium levels. Helps in mineralization and collagen synthesis.
  • Bone Health - Calcium citrate malate with other minerals helps with strong bone structure and healthy bone functions. Not just bone health, these calcium tablets help with heart and muscle health to make you keep going.
  • 4 Months Supply - Take 1 tablet daily after a meal or as directed by your health care professional. If for any reason, you’re not satisfied with one of our products, we will gladly accept returns for a full product refund.
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#7 Top Pick
Best Naturals Calcium Magnesium with Vitamin D3 1500mg Serving 180 Tablets (180 Count (Pack of 2))

Best Naturals Calcium Magnesium with Vitamin D3 1500mg Serving 180 Tablets (180 Count (Pack of 2))

Brand: Best Naturals
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  • 3rd Party Lab Tested for Purity & Quality.
  • 1500 mg of Cal-Mag per Serving - 180 Tablets per Bottle.
  • Non-GMO & Gluten-Free.
  • Proudly Made in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
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#8 Top Pick
Nutricost Calcium D-Glucarate 500mg, 120 Capsules - Gluten Free, Non-GMO, Vegetarian Friendly

Nutricost Calcium D-Glucarate 500mg, 120 Capsules - Gluten Free, Non-GMO, Vegetarian Friendly

Brand: Nutricost
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  • 500mg of Calcium D-Glucarate Per Serving
  • 60mg of Calcium Per Serving
  • 1 Serving, Just 1 Easy-To-Take "Veggie" Capsule
  • Non-GMO, Gluten Free, Vegetarian Friendly
  • Made in a GMP Compliant, FDA Registered Facility
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#9 Top Pick
Calcium 1200 mg with Vitamin D3 | 240 Softgels | Absorbable Calcium Supplement | Bone Support Formula | Non-GMO, Gluten Free | by Piping Rock

Calcium 1200 mg with Vitamin D3 | 240 Softgels | Absorbable Calcium Supplement | Bone Support Formula | Non-GMO, Gluten Free | by Piping Rock

Brand: PipingRock
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  • Superior quality nutrition at the best value
  • Designed to support your healthy lifestyle goals
  • Devoted to Purity, Potency and Safety!
  • Non-GMO and Gluten Free
  • Laboratory Tested, using Trusted Ingredients
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#10 Top Pick
Best Naturals Calcium Magnesium Potassium - 120 Tablets - Non-GMO & Gluten Free

Best Naturals Calcium Magnesium Potassium - 120 Tablets - Non-GMO & Gluten Free

Brand: Best Naturals
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  • 3rd Party Lab Tested for Purity & Quality
  • Contains 500 mg of Calcium, 500 mg of Magnesium, and 99 mg of Potassium per serving - 60 Servings - 120 Tablets
  • Non-GMO & Gluten-Free.
  • Proudly Made in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish.
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