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Rating the very best calcium dietary supplements of 2023

Simply drink milk for robust bones, proper? Generally it’s not fairly that easy.

Calcium is without doubt one of the most vital minerals in your weight loss plan. It’s been clinically confirmed to enhance bone energy, particularly when taken together with vitamin D.

If you need a greater shot at stronger bones, our analysis workforce has ranked the very best choices available on the market, plus gone in-depth on the advantages and unintended effects of calcium supplementation.


Final up to date: December 21, 2022
Calcium dietary supplements thought-about: 30
Hours of analysis: 48
Consultants reviewed: 15
Scientific papers referenced: 19

1.  Citracal Calcium +D3 Gradual Launch


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Citracal is a uncommon chook amongst dietary supplements: it’s cost-effective, lab-verified, and easy.

Citracal’s sluggish launch method means you are taking the dosage as soon as per day.  Different calcium dietary supplements have to be divided up into smaller doses all through the day; in any other case, the calcium passes by means of your physique too shortly and never all of it’s absorbed.

The sluggish launch formulation obviates this drawback.

The complement makes use of a binder referred to as hydroxypropyl methyl cellulose to attain this sluggish launch impact.  Although it’s a protracted and technical chemical identify, it’s a unhazardous plant-derived compound that kinds a gel when it comes into contact with water.

This slows the speed at which calcium is launched from the pill into your digestive tract.

Citracal makes use of a mix of calcium carbonate and calcium citrate to offer the mineral supply of calcium, and likewise gives 1000 IU of vitamin D per capsule alongside 80 mg of magnesium, which makes up 20% of your beneficial each day consumption.

Its easy, efficient formulation makes this complement a boon for anybody searching for an easy, no-nonsense calcium complement to take each day.

2.  Bluebonnet Calcium Citrate and Vitamin D3

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The calcium complement formulation from Bluebonnet is ideal for the minimalist: it incorporates only a few extraneous components.

In truth, other than its acknowledged vitamin and mineral content material (250 mg of calcium, 200 IU of vitamin D), Bluebonnet Calcium Citrate incorporates solely 5 different components, and all of them are binders or stabilizers to maintain the tablets intact.

Due to the simplicity of the pill design, it’s an extremely versatile possibility.

3.  Kirkland Signature Calcium Citrate Magnesium and Zinc

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Kirkland’s calcium providing may be essentially the most cost-effective calcium complement available on the market.  Its formulation employs calcium citrate to ship the promised calcium, in addition to magnesium oxide and zinc oxide for the opposite three minerals included within the tablets.

Every pill gives 250 mg of calcium, 40 mg of magnesium, and 5 mg of zinc. It’s a strong combo that’s nice for individuals who need different hint minerals alongside calcium.

4.  GNC Calcium Plus 1000

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GNC’s calcium complement is simple and no-nonsense: every caplet incorporates 333 mg of calcium, 266 IU of vitamin D, and 166 mg of magnesium.

GNC Calcium Plus is an efficient alternative in the event you’re primarily searching for a strong dosage of calcium and vitamin D at a low value per-dose, with none further frills like plant-derived calcium, a slow-release method, or different minerals like zinc.

5.  New Chapter Bone Power Calcium

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New Chapter Bone Power is fairly normal, save for its calcium sourcing. The calcium in New Chapter Bone Power is derived from algae—most dietary supplements use a mineral supply, both calcium citrate or calcium carbonate. It’s a pleasant characteristic if you need naturally-sourced calcium.

6.  Nature Made Calcium with Vitamin D

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Nature Made Calcium incorporates 600 mg of calcium and 400 IU of vitamin D, together with a number of binders and stabilizers in every softgel.

Notably, this complement additionally contains a few of the similar binders utilized in Citracal’s prolonged launch formulation—it’s doubtless that this product additionally has a slow-release impact, which is what permits it to have extra calcium per pill than different dietary supplements.

7.  Swanson Calcium Citrate and Vitamin D

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The calcium and vitamin D providing from Swanson Well being Merchandise is one other one for the simplistic camp.  Every pill incorporates 310 mg of calcium and 200 IU of vitamin D.  The one different components are vegetable-based binders and stabilizers.

If you’re searching for zinc or magnesium alongside your calcium and vitamin D, you’re out of luck, however the excellent news is that Swanson’s calcium complement sources all of its calcium from calcium citrate, which is a extra readily-absorbed type of calcium than calcium carbonate, which is utilized in another dietary supplements.

8.  Solgar Calcium Magnesium with Vitamin D3

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The calcium/magnesium complement by Solgar is a minimalist-style complement, even right down to the packaging.

A easy amber bottle and brown label identifies the product, which consists of small tablets providing 200 mg of calcium every, alongside 100 mg of magnesium and 80 mg of vitamin D.

You’d have to take 5 tablets per day (ideally unfold out all through the day) to achieve 1000 mg of calcium—the Meals and Drug Administration’s beneficial each day consumption.

9.  Rainbow Mild Meals-Based mostly Calcium

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Rainbow Mild gives a average dosage of calcium in a food-based type, offering calcium alongside magnesium, betaine, spirulina, and some different natural components. Sadly, it’s a bit heavy on components, which lands it decrease within the rankings.

10.  Solaray Calcium Magnesium Zinc

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You may time period Solaray’s method to calcium supplementation because the “maximalist” technique.  Every capsule gives a pretty-standard 250 mg of calcium, 125 mg of magnesium, and 6 mg of zinc.

The magnesium is likewise sourced from a wide range of components; magnesium oxide, magnesium citrate, and magnesium amino acid chelate spherical out the magnesium sources.

The zinc is simply from one supply, an amino acid chelate. It’s a very good decide in the event you care rather a lot about a wide range of mineral sources, however most customers will likely be better-suited by different dietary supplements.

Class winners

Finest calcium general: Citracal Calcium +D3 Gradual Launch

Citracal wins big-time on two fronts: first, its calcium and vitamin D dose are improbable. Second, its slow-release formulation means you don’t have to fret in regards to the limits on bioavailability that come together with a typical calcium complement. Thanks to those benefits, it’s the very best general alternative. 

Finest calcium for bone well being: Bluebonnet Calcium Citrate and Vitamin D3

If you wish to comply with the scientifically-validated template for taking calcium for bone well being, Bluebonnet is the best way to go. It’s a easy, no-nonsense calcium complement with strong quantities of each calcium and vitamin D, to spice up absorption. The one draw back? You do have to take it a number of occasions a day for optimum absorption. 

Finest calcium for girls over 50: Citracal Calcium +D3 Gradual Launch

Girls over 50 want excessive doses of each calcium and vitamin D, and the slow-release formulation of Citracal is an effective way to make sure your consumption is excessive with out the difficulty of taking 4 or 5 totally different capsules day by day. 

Finest calcium for higher sleep: Nature Made Calcium with Vitamin D

When taking calcium for sleep, fast absorption is vital for max advantages. The softgel formulation of Nature Made Calcium means the calcium will get absorbed rather more shortly than a pill or conventional capsule. 

Finest calcium complement for osteoporosis: Bluebonnet Calcium Citrate and Vitamin D3

For a similar causes Bluebonnet wins out for bone well being general, it additionally takes the crown for osteoporosis: this complement follows the template established by high-quality scientific analysis in the case of slowing and reversing the lack of bone density related to osteoporosis. 

Finest calcium complement for males: Kirkland Signature Calcium Citrate Magnesium and Zinc

Insufficient calcium consumption could be a drawback for males, too. Males profit from Kirkland’s calcium complement because of its inclusion of magnesium and zinc—deficiencies in these minerals are fairly frequent in older males, and are related to decrease testosterone ranges (which additionally contribute to poor bone energy).

Who should purchase calcium?

Individuals who will profit from a calcium complement might be positioned into one in all three classes.

Older adults who already know they’ve low bone density. The primary is older adults (significantly ladies) who already know they’ve low bone density. For them, supplemental calcium is a scientifically validated technique to sluggish the speed of bone loss and reduce the chance of fracture.

Center-aged adults who wish to stave off lack of bone energy. The following class of people that can profit from a calcium complement are middle-aged adults who wish to guarantee they keep their already-strong bone density.

For these customers, combining calcium supplementation with common train is an efficient technique to keep robust bones all through maturity.

Adolescent ladies who wish to construct bone density extra quickly. Female youngsters can make the most of the results of calcium to really construct up substantial quantities of bone density.

Partially because of the hormonal modifications that occur throughout puberty, ladies who don’t have ample calcium consumption won’t enhance their bone density as a lot throughout puberty, and the hole between calcium-deficient and calcium-sufficient ladies by way of bone density lasts for the remainder of their lives.

How we ranked

Since calcium is without doubt one of the hottest dietary supplements available on the market, we began with a discipline of dozens of potential merchandise for our rankings.

Optimum calcium dose. First, we regarded for dietary supplements that offered sufficient calcium for optimum dosing all through the day. We eradicated something with lower than 200 mg of calcium, and gave robust choice to dietary supplements with 250 mg or extra per pill.

Formulations with key co-nutrients. Calcium uptake is linked strongly to the presence of different micronutrients, most notably vitamin D, magnesium, and vitamin Okay.

Due to this hyperlink, we additionally required that the entire merchandise that made the ultimate rankings have no less than a few of these very important vitamins which might be required on your physique to benefit from the calcium you are taking. To make the highest 5, a product needed to supply no less than 200 IU of vitamin D.

We primarily based this on analysis that demonstrates that calcium supplementation is simpler when accompanied by no less than 800 IUs per day of vitamin D supplementation.

Correct dosages. Subsequent, we examined which dietary supplements really contained the label-claimed quantities of calcium and, when obtainable, vitamin D.

We used outcomes from unbiased laboratory testing to match how dietary supplements stacked up, and lower the dietary supplements whose precise micronutrient content material was vastly totally different than what was claimed on the label.

Total complement composition. Lastly, we regarded on the different components within the complement. Have been the capsules vegan-friendly? Did they comprise a number of fillers and binders?

As all the time, we had a robust choice for a clear, easy ingredient design, and ranked these dietary supplements extremely. Our high performer, Citracal, stood out for its progressive sluggish launch design that mitigates the necessity to take calcium a number of occasions per day.


Q: How do you are taking calcium dietary supplements for greatest absorption?

A: Calcium supplementation might be difficult to get proper, as a result of your physique’s capacity to really take up calcium is restricted by a variety of components.

First amongst these is saturation of your physique’s calcium absorption capability. Typically, you don’t wish to take one massive, single dose of calcium per day, as a result of a lot of it’ll move by means of your system with out getting absorbed.

To resolve this, take your calcium three or 4 separate occasions through the day. Moreover, make sure that your calcium complement has vitamin D in it as effectively—this vitamin is crucial for correct utilization of calcium in your physique.

Lastly, to keep away from disrupting your iron metabolism, strive to not take your calcium complement concurrently meals which might be excessive in iron.

Q: What are the very best calcium dietary supplements for osteoporosis?

A: For osteoporosis, you wish to search for three major traits in a calcium complement. First, you need the supply of calcium to be calcium citrate, not calcium carbonate.

For wholesome younger and center aged adults, calcium carbonate is ok, however as a result of abdomen acidity decreases as you become older, a calcium citrate primarily based complement might be simpler to digest and take up.

The opposite two traits to look out for are the calcium content material and the vitamin D content material: you desire a complement that makes it simple to get no less than 1200 mg of calcium per day, and 800 IUs of vitamin D per day. These dosage suggestions come from massive, well-designed scientific research on treating and stopping osteoporosis.

You’ll discover that every one of our high ranked calcium dietary supplements, together with Citracal, Bluebonnet, and Kirkland Signature, verify all of those packing containers.

Q: Is calcium citrate higher than calcium carbonate?

A: Calcium carbonate is a typical type of calcium utilized in dietary supplements. It has the advantages of being cheap, although it depends on abdomen acid to make the calcium biologically obtainable.

Calcium citrate could be a higher supply of calcium as a result of it doesn’t require abdomen acid to develop into bioavailable and doesn’t neutralize the acidity of your abdomen. Whereas each the citrate and carbonate types of calcium are helpful, citrate has a slight edge, significantly for older adults.

Q: How will you get calcium with out dairy?

A: Vegans, vegetarians, and other people with both a milk allergy or lactose intolerance face a a lot increased danger of calcium deficiency, as a result of dairy is the largest supply of calcium in most individuals’s’ diets.

There are different meals, like almonds, kale, beans, and broccoli, which might be excessive in calcium as effectively, besides, it’s nonetheless not a foul concept to take no less than a vitamin D complement, if not a full on calcium and vitamin D complement for max calcium absorption.

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In sum, there’s robust proof that taking a calcium and vitamin D complement might help hold your bones robust and scale back your danger of osteoporosis and bone fractures as you become older.  That is vital as you method your fifties, whether or not you’re a man or a girl.

Search for a high-quality calcium complement, ideally that makes use of calcium citrate as its mineral supply, and undoubtedly verify to verify your complement features a substantial quantity of vitamin D as effectively.

In case your aim is to stop bone loss, you’ll get the very best outcomes with doses of no less than 1200 mg of calcium and no less than 800 IU of vitamin D per day.

To make sure you’re preserving your bones as robust as attainable, add weight-bearing train like strolling, jogging, or weight lifting to your each day routine, as calcium supplementation is simplest when mixed with an train routine.

For BodyNutrition‘s #1 calcium complement advice, click on right here.

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