Best Calcium Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 20, 2026

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Calcium supplements are a popular choice for those who want to maintain strong and healthy bones. These supplements are designed to provide the body with the necessary amount of calcium, which is essential for bone growth and maintenance. Calcium supplements come in different forms, including tablets, capsules, and chewable tablets, making it easy for people to choose the one that best suits their needs. They are also available in different strengths, so users can choose the right dosage that fits their individual requirements. Calcium supplements are widely available in health food stores and online, making it easy for people to get the amount of calcium they need to maintain optimal bone health.

At a Glance: Our Top Picks

CITRACAL Slow Release 1200 Calcium Supplement Cover #TOP 1
CITRACAL Slow Release 1200 Calcium Supplement
ftb score rating icon 9.9
Nature's Bounty Calcium Magnesium Zinc Caplets Cover #TOP 2
Nature's Bounty Calcium Magnesium Zinc Caplets
ftb score rating icon 9.8
Caltrate 600 Plus D3 Calcium and Vitamin D Supplement Tablets - 200 Count Cover #TOP 3
Caltrate 600 Plus D3 Calcium and Vitamin D Supplement Tablets - 200 Count
ftb score rating icon 9.6

Top 10 Calcium Supplements

CITRACAL Slow Release 1200 Calcium Supplement

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CITRACAL Slow Release 1200 Calcium Supplement Cover
Citracal Slow Release- Calcium 1200 mg with Vitamin D3, Magnesium, Calcium Supplement, Bone Health Support, Take Once Daily Caplet, 185 Count

Defy bone aging with CITRACAL Slow Release 1200 Calcium Supplement, a sugar-free blend of 1200 mg of Calcium Carbonate and Citrate per serving that helps support bone health. This supplement also contains 1000 IU Vitamin D3 and 80 mg of magnesium per serving to absorb dietary calcium efficiently. The Slo-Cal Technology slowly and continuously releases small amounts of calcium and vitamin D3, making it easy to absorb and gentle on the stomach. Highly recommended by doctors and pharmacists, CITRACAL Slow Release 1200 is perfect for adults looking to achieve optimal bone health.

What We Like
Easy to swallow coating
Gentle on stomach
Reasonable price
No chalky aftertaste
Well-packaged and reliable
What We Don't Like
Large tablet size

Nature's Bounty Calcium Magnesium Zinc Caplets

Nature's Bounty Calcium Magnesium Zinc Caplets Cover
Nature's Bounty Calcium Magnesium & Zinc Caplets, Immune & Bone Health, Daily Supplement, 1000mg Calcium, 400mg Magnesium, 600 IU Vitamin D, Gluten Free, 100 Caplets

Nature's Bounty Calcium Magnesium Zinc Caplets provide essential minerals for bone support, promote a calm and relaxed mood, and include Vitamin D3 for immune support. These caplets are gluten-free, sugar-free, and contain no artificial flavor or sweetener, ensuring quality, purity, and potency. Trust in the dedication to quality, consistency, and scientific research of Nature's Bounty Calcium Magnesium Zinc Caplets to provide a potent mineral supplement of unrivaled excellence.

What We Like
Joint pain relief
Better sleep quality
Improved energy levels
Affordable price
High-quality ingredients
What We Don't Like
Large tablet size
Possible mild digestive issues
#TOP 3

Caltrate 600 Plus D3 Calcium and Vitamin D Supplement Tablets - 200 Count

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Caltrate 600 Plus D3 Calcium and Vitamin D Supplement Tablets - 200 Count Cover
Caltrate 600 Plus D3 Calcium and Vitamin D Supplement Tablets, Bone Health Supplements for Adults - 200 Count

Caltrate 600 Plus D3 Calcium and Vitamin D Supplement Tablets come in a 200 count bottle and offer the highest level of vitamin D3 per tablet among leading calcium supplement brands, with 600 mg calcium and 20 mcg of vitamin D3 per tablet. They help support strong bones and everyday activities like muscle contractions, blood clotting and nerve function, while maximizing calcium absorption. Simply take one to two tablets daily or use as directed by your physician.

What We Like
Easy to swallow
Includes Vitamin D3
No aftertaste
High calcium dosage
Recommended for adults 60
What We Don't Like
Unusual pink color
Large tablet size for some
#TOP 4

Nature's Bounty Calcium Carbonate & Vitamin D3, 120 Softgels

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Nature's Bounty Calcium Carbonate & Vitamin D3, 120 Softgels Cover
Nature's Bounty Calcium 1200 mg with 1000 IU Vitamin D3 - Bone Health Softgels, Calcium and Vitamin D Supplement, Gluten Free, 2 Softgels per Day, 120 ct (Pack of 1)

Nature's Bounty Calcium Carbonate & Vitamin D3 contains 1200mg of calcium and 1000IU of vitamin D3 per softgel. The product helps to support bone health, neuromuscular health, and immune system. The supplements are gluten-free, wheat-free, dairy-free, and have no artificial flavors. Nature's Bounty ensures the quality of the product by testing it for purity and potency throughout the manufacturing process.

What We Like
Effective calcium absorption
Includes vitamin D3
Good value
Consistent quality
Easy to swallow softgels
What We Don't Like
Large pill size
May be hard to swallow
#TOP 5

Viactiv Calcium +Vitamin D3 Supplement Soft Chews

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Viactiv Calcium +Vitamin D3 Supplement Soft Chews Cover
Viactiv Calcium +Vitamin D3 Supplement Soft Chews, Caramel, 60 Chews - Calcium Dietary Supplement for Bone Health

Viactiv Calcium +Vitamin D3 Supplement Soft Chews are a delicious and enjoyable way to get the daily recommended calcium you need to strengthen healthy bones and teeth. With up to 2/3 less sugar than the leading calcium gummy, you can enjoy the caramel or milk chocolate flavors while getting the nutrients you need. Each chew is individually wrapped for convenience, making it easy to take on the go. If you've enjoyed calcium chews, supplements, or gummies before, you'll love incorporating Viactiv into your routine.

What We Like
Delicious candy-like flavors
Easy to chew texture
Pill-free calcium intake
Includes vitamin D3
Gentle on sensitive teeth
What We Don't Like
Contains added sugar
May be too tasty
#TOP 6

Generic Nature Calcium 750 mg with D3 and K

Generic
Generic Nature Calcium 750 mg with D3 and K Cover
Nature Calcium 750 mg with D3 and K for Bone Health – 300 Tablets

The Generic Nature Calcium Supplement is designed to support your bone health with 750 mg of calcium per tablet. It includes Vitamin D3, which helps your body absorb calcium better, making the supplement more effective for maintaining strong bones. You can take one or two tablets daily with water and a meal, offering an easy and convenient way to add bone-supporting nutrients to your routine. Made in the USA from quality global ingredients, this supplement is gluten-free and contains no artificial colors or flavors, ensuring a natural and wholesome choice for your health needs.

What We Like
Supports strong bones
Includes Vitamin D3 for absorption
Easy daily dosing
Gluten-free, no artificial additives
Made in the USA
#TOP 7

Citracal Petites Calcium Supplement

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Petites
Citracal Petites Calcium Supplement Cover
Citracal Petites- Calcium Citrate with Vitamin D3, Bone Health Support, Calcium Supplement for Ages 12+, 375 Count (Packaging May Vary)

Citracal Petites is a convenient calcium supplement designed to support your bone health. Each serving delivers 400 mg of calcium, essential for maintaining strong bones, especially as you age. With the addition of Vitamin D3, these caplets help your body absorb calcium more effectively, enhancing its benefits. Their smaller size makes them easier to swallow, whether taken with or without food, which is perfect for those who struggle with larger pills. Recommended by doctors and pharmacists, Citracal Petites is a reliable choice for anyone aged 12 and up looking to improve their overall wellness.

What We Like
Smaller, easier-to-swallow tablets
Gentle on the stomach
Includes vitamin D3
Good absorption and digestion
Large bottle, great value
What We Don't Like
Tablets not very small
#TOP 8

Caltrate Minis 600 Plus D3 Plus Minerals - 150 Count

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Caltrate Minis 600 Plus D3 Plus Minerals - 150 Count Cover
Caltrate Minis 600 Plus D3 Plus Minerals Calcium and Vitamin D Supplement Tablets, Bone Health and Mineral Supplement for Adults - 150 Count

Caltrate Minis 600 Plus D3 Plus Minerals is a calcium and vitamin D3 supplement that supports bone strength and flexibility. This 150-count bottle contains key essential minerals like zinc, copper, and manganese to help support collagen production, which facilitates more resilient bones. With 600 mg calcium carbonate and 40 mcg of vitamin D3 per two mini tablets, it has the most vitamin D3 to help your body maximize calcium absorption. These bone supplements are 35% smaller than the leading small calcium supplement, making them easy to swallow. Take two tablets daily with food or as directed by a physician.

What We Like
Small pill size
Easy to swallow
Convenient daily dosage
Good absorption
Available online
What We Don't Like
Occasional swallowing difficulty
Somewhat high price

New Chapter Calcium Supplement with Vitamin K2 + D3 + Magnesium - 120 Count

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New Chapter Calcium Supplement with Vitamin K2 + D3 + Magnesium - 120 Count Cover
New Chapter Calcium Supplement - Bone Strength Plant-Based USDA Organic Calcium with Magnesium, Vitamin D3+K2, for Bone Health & Joint Mobility, Heart Support, 905 mg dose - 120 Slim Tablets

Get 3-in-1 benefits with the New Chapter Calcium Supplement. Sourced from Red Marine Algae, it is rich in bone-nourishing calcium, magnesium, and 70+ trace minerals, making it different from regular calcium carbonate supplements sourced from limestone rock. The slim calcium tablets have a slow and steady release and are formulated with vitamin D3 for better absorption and vitamin K2 to direct calcium to your bones where you need it most. It not only supports bone density and creation but also heart and joint health. This organic, non-GMO, gluten-free, and kosher supplement is easy to swallow and offers clinical-strength organic plant calcium.

What We Like
Plant-based, algae-derived calcium
Easy to swallow tablets
Includes vitamin D, K, magnesium
Improves bone density
No aftertaste or stomach upset
What We Don't Like
Higher price than regular calcium
Shorter supply per bottle
#TOP 10

Pure Encapsulations Calcium Supplement

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Pure Encapsulations Calcium Supplement Cover
Pure Encapsulations Calcium (Citrate) - Supplement for Bone, Teeth, Colon, and Cardiovascular Health Support* - with Premium Calcium Citrate - 180 Capsules

Get a highly absorbable calcium supplement to support your cardiovascular health, colon health, and bone support with Pure Encapsulations Calcium (Citrate). This product is made with premium ingredients sourced from trusted suppliers, without any unnecessary binders, fillers or preservatives. The citrate forms of calcium are highly bioavailable, providing better absorption of calcium for better health. What's more, this supplement is gluten-free, free from artificial colors, flavors, sweeteners, and coatings, and does not contain GMOs.

What We Like
High purity and quality
No fillers or additives
Easy to swallow capsules
Gentle on stomach
Pharmaceutical grade formulation
What We Don't Like
Low calcium per serving
Higher price point
Buying Guide Image

Frequently Asked Questions (FAQs)

Calcium supplements have been linked to an increased risk of colon polyps and kidney stones. Studies have shown that these supplements can contribute to the formation of small growths in the large intestine and the accumulation of calcium in the kidneys, which can become cancerous and lead to kidney stones. Due to these risks, calcium supplements are no longer recommended as a primary source of calcium.

2. Is there a downside to calcium supplements?

Yes, there can be downsides to taking calcium supplements. Some common side effects include constipation, severe diarrhea, and abdominal pain. Calcium carbonate, in particular, is associated with gastrointestinal side effects like constipation, flatulence, and bloating. It's essential to be aware of these potential side effects and consult with a healthcare professional before starting any calcium supplement regimen.

3. Why shouldn't you take calcium and vitamin D together?

There is a potential risk associated with taking calcium and vitamin D supplements together. A recent study found that this combination might increase the risk of having a stroke. The study, published in the Annals of Internal Medicine, reviewed the effects of various supplements on human health. It's important to discuss the potential risks and benefits of combining calcium and vitamin D supplements with a healthcare professional.

Editor's Notes

During our calcium supplement research, we found 24 calcium supplement products and shortlisted 10 quality products. We collected and analyzed 489,892 customer reviews through our big data system to write the calcium supplements list. We found that most customers choose calcium supplements with an average price of $18.34.

The calcium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of calcium supplements, including CITRACAL, Nature's Bounty, Caltrate, Viactiv, New Chapter. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.

Calcium Supplements Comparison Table

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Brand CITRACAL Nature's Bounty Caltrate Nature's Bounty Viactiv Generic CITRACAL Caltrate New Chapter Pure Encapsulations
Flavor Unflavored Calcium Magnesium Zinc Unflavored Unflavored Caramel Unflavored Unflavored Fruity Unflavored Unflavored
Primary Supplement Type Calcium Calcium Magnesium Zinc Calcium Calcium Calcium Calcium Vitamin D3 Calcium, Vitamin D Calcium Calcium
Unit Count 185 Count 100 Count 200 Count 120 Count 60 Count 300.0 Count 375 Count 150 Count 120.0 Count 180.00 Count
Item Form Caplets Caplet Tablets Softgel Soft Chews Tablet Caplet Tablet Tablet Capsule
Item dimensions L x W x H 2.88 x 2.88 x 5.25 inches - - 2.85 x 2.85 x 5.25 inches - - 3.06 x 3.06 x 5.5 inches 2 x 2 x 2 inches 8.5 x 5.5 x 3 inches -
Diet Type Gluten Free - - Gluten Free - - Gluten Free Plant Based Gluten Free, Kosher, Vegetarian -
Product Benefits Bone Health,Health - - Bone & Joint Support - - Bone & Joint Support Bone Health, Muscle Growth Bone & Joint Support -
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.4
ftb score rating icon 9.2
ftb score rating icon 9.2
ftb score rating icon 9.1
ftb score rating icon 9.1
ftb score rating icon 8.9
ftb score rating icon 8.7
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