Best OverallCalcium Supplements
PrimeMD Calcium 600mg with Vitamin D3 K2 5000IU, 120ct
- Form
- Not specified
- Supplement Type
- Not specified
- Diet
- Not specified
- Count
- Not specified
Calcium Supplements
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Top brands in calcium supplements
Caltrate
Nature Made
Now
Citracal
Nature's Bounty
21st Century
ALGAECAL
Solgar
Nutricost
THORNE
Pure Encapsulations
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Best Overall
Calcium Supplements
Nature Made Calcium Magnesium Zinc with D3 300 Tablets
A solid pick if the goal is combining calcium, magnesium, zinc and D3 into one daily tablet rather than separate supplements.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 300
Calcium Supplements
Citracal Maximum Plus Calcium Citrate with D3 120 Count
A gentle, well-absorbed calcium with vitamin D for people who want bone support without timing doses to meals. Two caplets twice a day is a lot of pill-taking for some.
- Form
- Not specified
- Supplement Type
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- Diet
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- Count
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Popular PickCalcium Supplements
Nature Made Calcium 600 mg with Vitamin D3 Tablets 220 Count
A calcium and vitamin D3 combination tablet sized as a 220 count bottle, aimed at people wanting sustained bone support without frequent reordering.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 220
Calcium Supplements
Nature's Bounty Calcium Magnesium & Zinc Caplets 100 Count
A combined calcium, magnesium, zinc and vitamin D caplet in a 100-count bottle, useful if you want bone and immune support minerals from one product instead of several.
- Form
- Tablet
- Supplement Type
- Calcium Magnesium Zinc
- Diet
- Gluten Free
- Count
- 100
Calcium Supplements
Caltrate 600 Plus D3 Calcium and Vitamin D 200 Tablets
A combined calcium and vitamin D tablet built around bone strength, in a large 200 count bottle for adults on a daily bone health routine.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Plant Based
- Count
- 200
Calcium Supplements
Citracal Slow Release 1200 Calcium with D3 Caplets 185 Count
A once-daily slow-release calcium caplet bundling vitamin D3 and magnesium, built for people who do not want to split doses through the day.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 185
Calcium Supplements
Nature's Bounty Calcium 1200 mg with D3 120 Softgels
A 1200 mg calcium and 1000 IU D3 softgel dosed twice daily, sized for a two-month supply per bottle.
- Form
- Softgel
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 120
Calcium Supplements
Citracal Slow Release 1200 Calcium with D3 Caplets 80 Count
A once daily, slow release 1200mg calcium caplet with D3 and magnesium built in, aimed at straightforward bone health support.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 80
Calcium Supplements
NATURELO Bone Strength Calcium Supplement 120 Capsules
A combination bone-support capsule that bundles calcium with D3, K2, magnesium and zinc, useful for buyers who want fewer bottles on the shelf rather than a single-nutrient product.
- Form
- Capsule
- Supplement Type
- Calcium
- Diet
- Gluten Free, Vegan
- Count
- 120
Calcium Supplements
Nature's Bounty Calcium Carbonate and Vitamin D 250 Tablets
A large-format calcium and vitamin D3 tablet for anyone maintaining a daily bone-health routine and wanting to avoid reordering often.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 250
Calcium Supplements
Citracal Petites Calcium Citrate with D3 375 Count
A calcium citrate option in a smaller caplet for people who want calcium and vitamin D3 without needing to time doses around food.
- Form
- Tablet
- Supplement Type
- Vitamin D3
- Diet
- Gluten Free
- Count
- 375
Calcium Supplements
21st Century Calcium 600 mg Tablets 400 Count
For a plain calcium carbonate tablet with a long supply, this delivers the basics without added extras.
- Form
- Not specified
- Supplement Type
- Not specified
- Diet
- Not specified
- Count
- Not specified
Calcium Supplements
Caltrate 600 Plus D3 Plus Minerals 165 Tablets
A large-count calcium and vitamin D tablet from an established supplement line, sensible for buyers who already know they tolerate calcium tablets and want fewer reorders.
- Form
- Tablet
- Supplement Type
- Calcium, Vitamin D
- Diet
- Gluten Free
- Count
- 165
Calcium Supplements
Pure Encapsulations Calcium Citrate 180 Capsules
A 180 capsule calcium citrate supplement, useful mainly for buyers who already know they want the citrate form specifically over calcium carbonate.
- Form
- Not specified
- Supplement Type
- Not specified
- Diet
- Not specified
- Count
- Not specified
Calcium Supplements
New Chapter Bone Strength Take Care Plant Calcium Tablets
A plant based calcium tablet for buyers who specifically want algae-sourced calcium over standard mined forms.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free, Kosher, Vegetarian
- Count
- 120
Calcium Supplements
Nature's Bounty Calcium Plus Vitamin D3 Tablets 300 Count
This bulk-format calcium and D3 tablet from an established brand suits daily long-term use rather than short-term supplementation.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 300
Calcium Supplements
Nature Made Calcium 500 mg with Vitamin D3 Tablets 130 Count
A standard calcium plus D3 tablet at a common 500mg dose, suited to anyone building a basic bone-support routine.
- Form
- Tablet
- Supplement Type
- Calcium
- Diet
- Gluten Free
- Count
- 130
Calcium Supplements
Caltrate 600 Plus D3 Calcium Soft Chews Chocolate Truffle
A chocolate flavored calcium and D3 chew that trades the large tablet format for something easier to take daily, though the 60 count runs out quickly at a typical two-chew serving.
- Form
- Chewable
- Supplement Type
- Calcium, Vitamin D
- Diet
- Gluten Free
- Count
- 60
Calcium Supplements
Viactiv Calcium + Vitamin D Soft Chews Caramel
A caramel calcium chew with vitamin D and K included, useful as a simple daily bone-support habit rather than a clinical-strength dose.
- Form
- Chewable
- Supplement Type
- Calcium
- Diet
- Plant Based
- Count
- 60
Calcium Supplements
Bariatric Advantage Calcium Citrate Chewy Bites 500 mg
Purpose built for bariatric patients, this chewy calcium citrate bite trades pill size for a chewable format without giving up the citrate form that absorbs more readily.
- Form
- Gummy
- Supplement Type
- Bariatric Calcium Citrate Chewy Bites 500 Mg For Bariatric Surgery Patients
- Diet
- Gluten Free
- Count
- 90
Calcium Supplements
Caltrate 600+D3 Plus Minerals Calcium Chewables 155 Count
A sugar-free, multi-flavor chewable combining calcium, vitamin D3 and added minerals for bone and joint support, in a large 155-count bottle.
- Form
- Chewable
- Supplement Type
- Calcium, Vitamin D
- Diet
- Gluten Free
- Count
- 155
Calcium Supplements
Nature's Way Alive! Chewable Calcium Gummies with D3
A chewable calcium and vitamin D3 gummy in two flavors, convenient for anyone who finds standard calcium tablets hard to take.
- Form
- Gummy
- Supplement Type
- Calcium, Vitamin D3
- Diet
- Gluten Free, Vegetarian
- Count
- 60
Calcium Supplements
Country Life Target Mins Calcium Magnesium Potassium
A straightforward multi-mineral tablet pairing 1000mg calcium with 500mg magnesium, suited to buyers who prefer one combined pill over separate calcium and magnesium bottles.
- Form
- Tablet
- Supplement Type
- Potassium
- Diet
- Gluten Free, Vegan
- Count
- 180
As an Amazon Associate I earn from qualifying purchases.
Best calcium supplements
- PrimeMD Calcium 600mg with Vitamin D3 K2 5000IU, 120ct
- Nature Made Calcium Magnesium Zinc with D3 300 Tablets
- Citracal Maximum Plus Calcium Citrate with D3 120 Count
- Nature Made Calcium 600 mg with Vitamin D3 Tablets 220 Count
- Nature's Bounty Calcium Magnesium & Zinc Caplets 100 Count
- Caltrate 600 Plus D3 Calcium and Vitamin D 200 TabletsModel 600 Plus D3
- Citracal Slow Release 1200 Calcium with D3 Caplets 185 CountModel Slow Release 1200
- Nature's Bounty Calcium 1200 mg with D3 120 Softgels
- Citracal Slow Release 1200 Calcium with D3 Caplets 80 CountModel Slow Release 1200
- NATURELO Bone Strength Calcium Supplement 120 Capsules
These 10 calcium supplements have the highest ProductDome scores among the established products in this category, meaning ones with a large volume of owner ratings and strong evidence; on a tie, the product with more rating evidence ranks first. The score combines owner satisfaction, rating volume, demand and data quality from public Amazon listings (updated 3 days ago). We do not test products ourselves.
Frequently asked questions
What are the most popular calcium supplements brands?
Caltrate, Nature Made, Now, Citracal, Nature's Bounty lead this category among the 47 brands that passed our curation checks.
How does ProductDome pick these calcium supplements?
A listing appears only when it has a recorded price, a minimum customer rating, and enough ratings or monthly sales. Generic and unbranded listings are left out, while every real brand stays, including brands sold only on Amazon. The ones that pass are ordered by the ProductDome score, which weighs owner satisfaction, rating volume, demand and data quality.
About calcium supplements
Calcium supplements come as calcium alone or combined with nutrients such as vitamin D, so the choice is between supplementing calcium specifically and adding a broader set of nutrients. Start by deciding how much supplemental calcium you need alongside your food intake, because the amount advertised on the bottle is not necessarily the amount in each tablet, capsule or gummy.
Read the supplement facts panel for the amount of calcium per serving, then check whether the number of pieces required fits your daily routine. The calcium amount is distinct from the weight of the calcium compound, which includes other components. Compare the labeled serving with the amount you intend to supplement, using professional advice if that amount is unclear. For combined formulas, compare every added nutrient with your other supplements to avoid unintended duplication. If directions divide the daily serving across separate occasions, decide whether those timings work with your schedule.
Calcium carbonate and calcium citrate differ in how they fit around meals: carbonate is generally taken with food, while citrate can generally be taken with or without food. Follow the product’s directions, and use that distinction to choose a compound that suits when you expect to take it. The form filter offers Tablet, Capsule and Gummy, but those labels do not tell you the dimensions, texture or directions for taking the actual product. Use the listing to establish whether it must be swallowed, chewed or dissolved, and whether that method suits you; do not assume a tablet can be crushed.
Before buying, check age restrictions and suitability for the intended user. Anyone taking medicines should have a pharmacist check the calcium supplement and added ingredients for compatibility and timing requirements. Read the complete ingredient list for allergens, sweeteners and other ingredients you need to avoid; the calcium source does not describe everything in the finished supplement. Calculate how long the bottle will last from its quantity and the directed daily serving, especially if you plan to buy several bottles together. Review storage instructions, and, if available before purchase, check whether the expiry leaves enough time to finish the supply.
How we list products: every listing here has a recorded price, a minimum customer rating and enough ratings or monthly sales. Generic and unbranded listings are left out; every real brand stays, including brands sold only on Amazon. Products are ordered by the same ProductDome score on every page.Editorial policy