We selected the top 10 of calcium supplement in 2021 for you after viewed and analyzed tons of reviews from main online market. Take a look at the following product ranking and description.

24944 Reviews Scanned

NO. 1


365 Everyday Value, Cal-Mag-Zinc with Vitamin D3, 180 ct

  • 365 by Whole Foods Market products give you that dance-down-the-aisles feeling, virtual aisles too! Our huge range of choices with premium ingredients at prices you can get down with makes grocery shopping so much more than tossing the basics in your cart.
NO. 2


Citracal Maximum Plus Highly Soluble, Easily Digested, 630 mg Calcium Citrate With 1000 IU Vitamin D3, Bone Health Supplement for Adults, Caplets, 180 Count

  • DEFY BONE AGING: Citracal Maximum Plus is a sugar free calcium supplement, providing 630 mg of calcium per serving to help support bone health* as part of your overall wellness and fitness regimen; just 2 caplets twice a day
  • IMPORTANCE OF CALCIUM: This essential mineral is needed for bone health*; Maximum Plus is made with Calcium Citrate
  • MAXIMUM STRENGTH: Contains 630 mg of Calcium Citrate with 1000 IU of vitamin D3 per serving that helps absorb dietary calcium*; also contains essential minerals – zinc, copper and manganese to support bone health*
  • GENTLE ON THE STOMACH: Take Citracal Maximum Plus with or without food; it’s easy on the stomach and easily absorbed
  • #1 CALCIUM BRAND RECOMMENDED: Citracal is the #1 Doctor & Pharmacist recommended calcium brand
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.
NO. 3


GreenPeach Liquid Calcium for Kids – Organic Calcium Magnesium Supplement – Vegetarian, Kosher Calcium Citrate with Vitamin D3 Kids Calming Supplement – No Sugar or Artificial Flavors (2-Pack)

  • GREENPEACH LIQUID CALCIUM FOR KIDS – Organic Calcium Magnesium Supplement – Vegetarian, Kosher Calcium Citrate with Vitamin D3 Kids Calming Supplement – No Sugar or Artificial Flavors
  • UNLIKE OTHER CHILDREN’S CALCIUM VITAMINS – that taste terrible or are LOADED WITH SUGAR, our calcium with Vitamin D3 is lightly sweetened with STEVIA and features a delicious, pure ORANGE flavor that even the pickiest eaters love. So your little ones can get their DAILY CALCIUM intake without the sugar – which can lead to tooth decay.
  • HELP YOUR KID RELAX – Is your child worried? Nervous? Restless? Calcium may have a direct effect on your kiddo’s behavior and QUALITY OF SLEEP. One spoonful a day of our calcium and magnesium supplement may help SOOTHE NERVES and restlessness before bed – for better FOCUS and more balanced, CONSISTENT ENERGY during the day.
  • NO ARTIFICIAL FLAVORS, COLORS or PRESERVATIVES – Our liquid calcium with Vitamin D3 and magnesium supplements are made with ingredients that are safe, effective, and good for the body, meaning ZERO SUGAR, GLUTEN, SOY, YEAST, GMOs, CHEMICALS, or ARTIFICIAL COLORS or FLAVORS. This calcium Vitamin D supplement is MADE IN THE USA with locally sourced ingredients.
  • AT GREENPEACH, YOUR WELLNESS IS OUR PASSION – Created by a MOM with a background in supplement formulation, GreenPeach was born when we couldn’t find supplements for our own kids that didn’t contain sugar or chemicals. We believe Mother Earth offers all the nutrients needed to MAINTAIN THE BODY NATURALLY – so we created our own supplements that come STRAIGHT FROM THE SOURCE. If for any reason you aren’t happy with your Vitamin D and calcium vitamins, please REACH OUT so we can make it right.
NO. 4


Amazon Elements Calcium plus Vitamin D, Calcium 500mg with D2 600IU, Vegan, 65 Tablets (2 month supply) (Packaging may vary), Supports Strong Bones and Immune Health

  • Calcium supplement made using algae harvested from Icelandic sea beds, plus vitamin D2
  • 65 tablets, a 2 month supply (taken daily at listed serving size), Supports Strong Bones and Immune Health*
  • No artificial colors, flavors or chemical preservatives
  • Vegan and gluten free
  • Made in a Good Manufacturing Practices (GMP) facility
  • Alexa voice shopping enabled: to place your next order, just say, “Alexa, reorder Amazon Elements Calcium”
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.
NO. 5


Sundown Calcium 1200mg with Vitamin D3 25mcg Softgels for Immune Support, Non-GMO Dairy-Free, Gluten-Free, 170 Count

  • IMMUNE SYSTEM SUPPORT — Calcium with Vitamin D3 helps your immune system stay strong and ready for action(3)
  • STRONG BONES, TEETH, JOINTS — Calcium forms the building blocks that keep your bones, teeth and joints working properly; vitamin D3 aids calcium absorption(3)
  • REDUCE RISK OF OSTEOPOROSIS — Adequate calcium and vitamin D throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis.(3)
  • ESSENTIAL SUNSHINE VITAMIN — Limiting your UV/sun exposure makes it hard for your body to produce Vitamin D; this clean health supplement satisfies your body’s need for this essential nutrient(3)
  • NERVE & MUSCLE FUNCTION — supports good nerve and muscle health so you can maintain your active lifestyle(3)
  • CLEAN(1) HEALTH SUPPLEMENT— Non-GMO(2) and free of artificial flavors; gluten-free, wheat-free, dairy-free, lactose-free
  • THIRD PARTY TESTED — Sundown products are always third-party tested for safety, quality and purity. We are a proudly American company with millions of happy customers since 1977
NO. 6


NATURELO Bone Strength – Plant-Based Calcium, Magnesium, Potassium, Vitamin D3, VIT C, K2 – GMO, Soy, Gluten Free Ingredients – Whole Food Supplement for Bone Health – 240 Vegetarian Capsules

NO. 7


Solaray Calcium Citrate Capsules, 1000mg, 120 Count

  • Essential: Calcium helps support healthy bones, teeth & cardiovascular, muscle & nerve function
  • Bioavailable: Calcium chelated to citric acid and formulated for those with low stomach acid
  • Formulated for You: Hard-to-find formula w/out Vitamin D for those who receive ample in diet
  • Trusted Brand: Manufactured in our own facility; Non-GMO, Vegan & Lab Verified
NO. 8


Kirkland Signature Calcium 500 mg with D3, 240 Adult Gummies

  • Support strong bones, teeth and a healthy immune system.
  • Support healthy muscle contraction and nerve function.
  • Have 500 mg of Calcium and 1000 IU (20 µg) of Vitamin D3 per serving
  • May reduce the risk of Osteoporosis.*
  • Available in crisp and delicious orange and cherry flavors.
NO. 9


Caltrate Bone Health 600+D3 to help maximize calcium absorption, Calcium and Vitamin D Supplement Tablet, 600 mg – 120 Count

  • Each box contains 120 tablets of Caltrate 600 + D3 to support strong, healthy bones. (1)
  • No other calcium supplement has more vitamin D3 to help maximize calcium absorption. (1,2)
  • Trust Caltrate, the expert in calcium, to help replenish the calcium & help provide the vitamin D3 your body uses every day. (1)
  • Sufficient calcium & vitamin D as part of a healthy diet may reduce the risk of osteoporosis. (1)
  • Caltrate is the #1 selling brand of calcium supplements in the United States. (2)
NO. 10


21st Century Calcium Supplement, 600 mg, 75 Count

  • Compare active ingredients to Caltrate 600
  • Support for bone health
  • High in calcium
  • No added sugar, yeast, preservatives or artificial flavors
  • Gluten free
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.

Which is the best site to purchase the calcium supplement?

There are numerous online retail stores and platforms to buy the calcium supplement. Besides Amazon.com, you have a lot of other choices to buy calcium supplement. But currently, Amazon is still your best option to buy calcium supplement. It has a better price, better shipping service, and reliable after-sale service. You can easy to get a refund or item exchange if anything goes wrong with your order.

But on Amazon.com, you will still find a lot of calcium supplement to choose to buy. How to pick up a good one from them? Firstly, you should figure out your needs for the calcium supplement. Then, you should check the seller’s reliability. Finally, you must find out and read the true reviews of the calcium supplement on Amazon.com. We’ve also put together a list of related questions you may want to know :

  • Which is the best calcium supplement to buy?
  • What is the average price of buying a calcium supplement?
  • Is there any cheap but high-quality calcium supplement to buy from the Internet?
  • Where to find the direct supplier or manufacturer to buy the calcium supplement?

Of course, you will have other questions about buying the calcium supplement. So before purchasing the calcium supplement from anywhere, you should try your best to get the most information about the product. In nowadays big-data times, you can find them all over the Internet.

Online sources to know deeply about the calcium supplement :

  • Rating web sites
  • Word of mouth communication
  • Product views
  • Word of mouth communication
  • Online Forums
  • Celebrity evaluation video

What’s the most recommended calcium supplement to buy in 2021?

Here we list the top-rated and the best-selling calcium supplement on Amazon.com. Among them, you can choose the most suitable one. Your need for this product, your budget, your favorite color/size/shape, and many other factors will decide which is the best calcium supplement for you. Generally, we recommend you buying the calcium supplement at neither too cheap nor too expensive price, and its review rating score must be higher than 4.7.

Our selection of calcium supplement is the best collection in 2021. It includes the latest calcium supplement, the best price of calcium supplement, the most-featured of calcium supplement, and the top-rated calcium supplement. So no matter what kind or type or style of calcium supplement you need, you will find it in the post here. 

Why choose to buy calcium supplement from our list :

Reliability Only selects calcium supplement from well-known brands or reliable sellers on Amazon  
Reasonable Price Excludes the high price and the bottom price of calcium supplement in our list
Good Review Our listed calcium supplement are all with a high customer rating score ≥4.7
Comprehensive Information All calcium supplement in our list are with detailed product description and specification
Timeliness Updates the collection list of calcium supplement regularly to bring new items and remove the outdated ones

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