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Home › Minerals › Calcium

Other forms of calcium

Also called calcium carbonate, calcium citrate, osteocare.

The best price per 500 mg calcium and per month across 9 UK retailers, and where to buy it cheapest. A unit for comparing, not advice.

Comparing calcium

We count the calcium a label states per serving, whatever the pack size or the serving size, so every product sits on one scale. Calcium comes as carbonate, citrate and other forms, and each form has its own table, because someone buying one would not usually take another as a like-for-like substitute. Products that combine calcium with other ingredients are listed separately, because their price buys more than calcium. 500 mg is our unit for comparing prices, not a dose to take: the label’s directions and a pharmacist decide that.

Prices last checked: . Ranked purely by price per 500 mg calcium — a comparison unit, not a recommendation. We earn commission when you buy through these links; it never affects the order.

Compared at 500 mg. Enter the amount you take to see your own costs.

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Calcium, Other forms: products ranked by price per 500 mg calcium
RankProductPer 500 mg calciumPer monthLastsBuyHow it is worked out
1
Simply Supplements Calcium 1000mg & Vitamin D3 400iu Tablets
Cheapest per doseCalcium 1000mg & Vitamin D3 400iu Tablets180 tablets · 180 servings · 1 g a servingDetails and price historyAdd to my stackalso contains vitamin d3
3p94p12 months£11.29View at Simply Supplements (opens in a new tab)Free delivery from £20.00, otherwise £1.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 180 ÷ 1 per serving = 180
  • In the pack: 180 × 1 g = 180 g
  • £11.29 ÷ 180 g × 500 mg = 3.14p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: vitamin d3. The price counts the calcium only.
What the retailer's listing says
  • amount per serving “Calcium 1000mg”

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2
Myvitamins Calcium & Magnesium Tablets
Best value under 6 months' supplyCalcium & Magnesium TabletsMyprotein · 270 tablets · 90 servings · 800 mg a servingDetails and price historyAdd to my stackalso contains magnesiumclaimed: vegan
8p£2.295 months£10.99View at Myprotein (opens in a new tab)Free delivery over £55.00, otherwise £4.49AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 270 ÷ 3 per serving = 90
  • In the pack: 90 × 800 mg = 72 g
  • £10.99 ÷ 72 g × 500 mg = 7.63p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “270Tablets”
  • units per serving “Consume 3 tablets daily”
  • amount per serving “Calcium ; 800mg ; 100”

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3
ZipVit Calcium 400mg with Magnesium 200mg
Calcium 400mg with Magnesium 200mgZipVit · 360 tablets · 360 servings · 400 mg a servingDetails and price historyAdd to my stackalso contains magnesium
8p£2.299 months£21.99View at ZipVit (opens in a new tab)Free deliveryAmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 360 ÷ 1 per serving = 360
  • In the pack: 360 × 400 mg = 144 g
  • £21.99 ÷ 144 g × 500 mg = 7.64p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “200mg - 360”
  • units per serving “Take 1 tablet daily”
  • amount per serving “Calcium ; 400mg ; 50%”

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4
ZipVit Calcium 400mg with Magnesium 200mg
Calcium 400mg with Magnesium 200mgZipVit · 120 tablets · 120 servings · 400 mg a servingDetails and price historyAdd to my stackalso contains magnesium
9p£2.813 months£8.99View at ZipVit (opens in a new tab)Free deliveryAmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 120 ÷ 1 per serving = 120
  • In the pack: 120 × 400 mg = 48 g
  • £8.99 ÷ 48 g × 500 mg = 9.36p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “200mg - 120”
  • units per serving “Take 1 tablet daily”
  • amount per serving “Calcium ; 400mg ; 50%”

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5
Simply Supplements Calcium 400mg & Magnesium 200mg Tablets
Calcium 400mg & Magnesium 200mg Tablets180 tablets · 180 servings · 400 mg a servingDetails and price historyAdd to my stackalso contains magnesium
10p£2.915 months£13.99View at Simply Supplements (opens in a new tab)Free delivery from £20.00, otherwise £1.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 180 ÷ 1 per serving = 180
  • In the pack: 180 × 400 mg = 72 g
  • £13.99 ÷ 72 g × 500 mg = 9.72p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • amount per serving “Calcium 400mg”
  • confirmed values “confirmed from the retailer's own product page, not this listing's text: pack units 180; pack unit type tablet; units per serving 1.0”

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6
Myvitamins Calcium & Magnesium Tablets
Calcium & Magnesium TabletsMyprotein · 90 tablets · 30 servings · 800 mg a servingDetails and price historyAdd to my stackalso contains magnesiumclaimed: vegan
10p£3.1248 days£4.99View at Myprotein (opens in a new tab)Free delivery over £55.00, otherwise £4.49AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 90 ÷ 3 per serving = 30
  • In the pack: 30 × 800 mg = 24 g
  • £4.99 ÷ 24 g × 500 mg = 10.4p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “90Tablets”
  • units per serving “Consume 3 tablets daily”
  • amount per serving “Calcium ; 800mg ; 100”

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7
Simply Supplements Chewable Calcium & Magnesium Tablets
Chewable Calcium & Magnesium Tablets120 tablets · 120 servings · 400 mg a servingDetails and price historyAdd to my stackTropicalalso contains magnesium
13p£3.843 months£12.29View at Simply Supplements (opens in a new tab)Free delivery from £20.00, otherwise £1.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 120 ÷ 1 per serving = 120
  • In the pack: 120 × 400 mg = 48 g
  • £12.29 ÷ 48 g × 500 mg = 12.8p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • amount per serving “chewable Calcium 400mg and Magnesium 200mg tablets”
  • confirmed values “confirmed from the retailer's own product page, not this listing's text: pack units 120; pack unit type tablet; units per serving 1.0”

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8
Together Health Calcium
Calcium60 capsules · 30 servings · 608 mg a servingDetails and price historyAdd to my stackclaimed: vegan
27p£8.2236 days£9.99View at Together Health (opens in a new tab)Free delivery over £11.00, otherwise £1.00AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 608 mg = 18.2 g
  • £9.99 ÷ 18.2 g × 500 mg = 27.4p per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “2 capsules provide on average (NRV)”
  • units per serving “2 capsules provide on average (NRV)”
  • amount per serving “Calcium 608 mg 76%”
  • confirmed values “confirmed from the retailer's own product page, not this listing's text: form id other; amount per serving 608.0; amount unit mg; amount refers to elemental; pack units 60; pack unit type capsule; units per serving 2.0”

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9
Nature's Best Vitamin C powder as Calcium Ascorbate - 250 Powder by Nature's Best - Powdered Vitamin C to Support Immune System
Vitamin C powder as Calcium Ascorbate - 250 Powder by Nature's Best - Powdered Vitamin C to Support Immune System250 g · 250 servings · 103 mg a servingDetails and price historyAdd to my stackalso contains vitamin cclaimed: veganclaimed: vegetarian
31p£9.2952 days£15.95View at Lamberts Healthcare (Nature's Best) (opens in a new tab)Free delivery over £20.00, otherwise £2.50AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 250 ÷ 1 per serving = 250
  • In the pack: 250 × 103 mg = 25.8 g
  • £15.95 ÷ 25.8 g × 500 mg = 31p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: vitamin c. The price counts the calcium only.
What the retailer's listing says
  • pack units “Specifications: 250 Powder”
  • amount per serving “plus 100mg of calcium”
  • confirmed values “confirmed from the retailer's own product page, not this listing's text: form id buffered; amount per serving 897.0; amount unit mg; amount refers to elemental; units per serving 1.0; pack units 250; pack unit type gram; calcium.amount per serving 103.0; calcium.amount unit mg; calcium.amount refers to elemental”

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10
Thorne Calcium (formerly DiCalcium Malate)
Calcium (formerly DiCalcium Malate)Healf · 120 capsules · 120 servings · 250 mg a servingDetails and price historyAdd to my stack
37p£11.052 months£22.09View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 120 ÷ 1 per serving = 120
  • In the pack: 120 × 250 mg = 30 g
  • £22.09 ÷ 30 g × 500 mg = 36.8p per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “120 caps”
  • servings stated “Servings Per Container: 120”
  • units per serving “Serving Size: 1 Capsule”
  • amount per serving “Calcium (as DimaCal Dicalcium Malate) ; 250 mg”

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11
Higher Nature True Food® Icelandic Seaweed Calcium
True Food® Icelandic Seaweed CalciumHigher Nature · 60 capsules · 30 servings · 520 mg a servingDetails and price historyAdd to my stack
38p£11.4931 days£11.95View at Higher Nature (opens in a new tab)Free delivery over £40.00, otherwise £3.90AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 520 mg = 15.6 g
  • £11.95 ÷ 15.6 g × 500 mg = 38.3p per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “60 Capsules”
  • units per serving “Two capsules typically provide”
  • amount per serving “Calcium (from Icelandic seaweed) ; 520mg”

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12
Higher Nature True Food Icelandic Seaweed Calcium
True Food Icelandic Seaweed CalciumHigher Nature · W-Wellness · 60 capsules · 60 servings · 260 mg a servingDetails and price historyAdd to my stack
38p£11.4931 days£11.95View at W-Wellness (opens in a new tab)Free delivery from £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 60 ÷ 1 per serving = 60
  • In the pack: 60 × 260 mg = 15.6 g
  • £11.95 ÷ 15.6 g × 500 mg = 38.3p per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “Contains: 60 capsules”
  • amount per serving “Each capsule provides 260mg of calcium”

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13
WeightWorld Calcium & Vitamin D3 Gummies for Kids
Calcium & Vitamin D3 Gummies for KidsWeightWorld · 45 servings · 320 mg a servingDetails and price historyAdd to my stackalso contains vitamin d3
57p£17.1829 days£16.49View at WeightWorld (opens in a new tab)Free delivery over £35.00, otherwise £1.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 45 (as stated on the label)
  • In the pack: 45 × 320 mg = 14.4 g
  • £16.49 ÷ 14.4 g × 500 mg = 57.3p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: vitamin d3. The price counts the calcium only.
What the retailer's listing says
  • servings stated “Servings per Container: 45”
  • units per serving “Serving Size: 2 Gummies”
  • amount per serving “Calcium (as Tricalcium Phosphate) ; 320 mg”

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14
Pure Encapsulations Calcium (MCHA)
Calcium (MCHA)Healf · 180 capsules · 180 servings · 250 mg a servingDetails and price historyAdd to my stackclaimed: vegetarian
73p£21.833 months£65.50View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 180 ÷ 1 per serving = 180
  • In the pack: 180 × 250 mg = 45 g
  • £65.50 ÷ 45 g × 500 mg = 72.8p per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “180 caps”
  • servings stated “Servings Per Container: 180”
  • units per serving “Serving Size: 1 capsule”
  • amount per serving “(Bovine) ; 250 mg ; 31%”

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15
Thorne Calcium-Magnesium Malate
Calcium-Magnesium MalateHealf · 240 capsules · 240 servings · 100 mg a servingDetails and price historyAdd to my stackalso contains magnesium
73p£21.8648 days£34.97View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 240 ÷ 1 per serving = 240
  • In the pack: 240 × 100 mg = 24 g
  • £34.97 ÷ 24 g × 500 mg = 72.9p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “240 caps”
  • servings stated “Servings Per Container: 240”
  • units per serving “Serving Size: 1 Capsule”
  • amount per serving “Calcium (as Calcium Malate) ; 100 mg”

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16
Cytoplan Organic Wholefood Calcium
Organic Wholefood CalciumW-Wellness · 60 capsules · 60 servings · 200 mg a servingDetails and price historyAdd to my stackTesting claimed on labelclaimed: veganclaimed: vegetarian
75p£22.4924 days£17.99View at W-Wellness (opens in a new tab)Free delivery from £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 60 ÷ 1 per serving = 60
  • In the pack: 60 × 200 mg = 12 g
  • £17.99 ÷ 12 g × 500 mg = 75p per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “Contains: 60 capsules”
  • amount per serving “provides 200mg of elemental calcium per capsule”

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17
Momentous Calcium
CalciumHealf · 60 servings · 250 mg a servingDetails and price historyAdd to my stack
77p£22.9930 days£22.99View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 60 (as stated on the label)
  • In the pack: 60 × 250 mg = 15 g
  • £22.99 ÷ 15 g × 500 mg = 76.6p per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • servings stated “Servings Per Container: 60”
  • units per serving “Serving Size: 1 Capsule”
  • amount per serving “Calcium (as Dicalcium Malate) ; 250 mg ; 31%”

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18
Pure Encapsulations Calcium (MCHA)
Calcium (MCHA)W-Wellness · 180 capsules · 60 servings · 750 mg a servingDetails and price historyAdd to my stackalso contains phosphorus (as mchc)claimed: vegetarian
82p£24.623 months£73.85View at W-Wellness (opens in a new tab)Free delivery from £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 180 ÷ 3 per serving = 60
  • In the pack: 60 × 750 mg = 45 g
  • £73.85 ÷ 45 g × 500 mg = 82.1p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: phosphorus (as mchc). The price counts the calcium only.
What the retailer's listing says
  • pack units “180 capsules”
  • servings stated “Servings per container 60”
  • units per serving “Serving size 3 capsules”
  • amount per serving “Calcium (as MCHC) (bovine) ; 750 mg”

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19
Inessa Calcium & Magnesium
Calcium & MagnesiumHealf · 90 capsules · 90 servings · 165 mg a servingDetails and price historyAdd to my stackalso contains magnesium
82p£24.7330 days£24.48View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 90 ÷ 1 per serving = 90
  • In the pack: 90 × 165 mg = 14.9 g
  • £24.48 ÷ 14.9 g × 500 mg = 82.4p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “90 caps”
  • units per serving “Each capsule typically contains”
  • amount per serving “Natural Marine Calcium from Lithothamnion Calcareum seaweed ; 165mg”

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20
Inessa Calcium & Magnesium
Calcium & MagnesiumW-Wellness · 90 capsules · 90 servings · 165 mg a servingDetails and price historyAdd to my stackalso contains magnesium
84p£25.2430 days£24.99View at W-Wellness (opens in a new tab)Free delivery from £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 90 ÷ 1 per serving = 90
  • In the pack: 90 × 165 mg = 14.9 g
  • £24.99 ÷ 14.9 g × 500 mg = 84.1p per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “Contains: 90 capsules”
  • units per serving “EACH CAPSULE TYPICALLY CONTAINS”
  • amount per serving “Natural Marine Calcium from Lithothamnion Calcareum seaweed 165mg”

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21
Pure Encapsulations Calcium Magnesium (citrate/malate)
Calcium Magnesium (citrate/malate)Healf · 180 capsules · 60 servings · 225 mg a servingDetails and price historyAdd to my stackalso contains magnesiumclaimed: vegetarian
£1.20£35.9827 days£32.38View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 180 ÷ 3 per serving = 60
  • In the pack: 60 × 225 mg = 13.5 g
  • £32.38 ÷ 13.5 g × 500 mg = £1.20 per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: magnesium. The price counts the calcium only.
What the retailer's listing says
  • pack units “180 capsules”
  • servings stated “Servings Per Container: 60”
  • units per serving “Serving Size: 3 capsules”
  • amount per serving “Calcium (as Calcium Citrate/Malate) ; 225 mg”

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22
KIKI Health Ionic Calcium Liquid Concentrate
Ionic Calcium Liquid ConcentrateHealf · 50 ml · 25 servings · 240 mg a servingDetails and price historyAdd to my stack
£1.63£48.7512 days£19.50View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 50 ÷ 2 per serving = 25
  • In the pack: 25 × 240 mg = 6 g
  • £19.50 ÷ 6 g × 500 mg = £1.63 per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “50ml”
  • servings stated “Servings in bottle: 25”
  • units per serving “Serving size: 30 drops (2ml)”
  • amount per serving “Calcium ; 240mg ; 30%”

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23
KIKI Health Ionic Calcium Liquid Concentrate
Ionic Calcium Liquid ConcentrateMyprotein · 50 ml · 25 servings · 240 mg a servingDetails and price historyAdd to my stack
£1.67£50.0012 days£20.00View at Myprotein (opens in a new tab)Free delivery over £55.00, otherwise £4.49AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 50 ÷ 2 per serving = 25
  • In the pack: 25 × 240 mg = 6 g
  • £20.00 ÷ 6 g × 500 mg = £1.67 per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “50ml”
  • servings stated “Servings per bottle: 25”
  • units per serving “30 drops (2ml)”
  • amount per serving “Calcium ; 240mg ; 30%”

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24
Designs For Health Calcium D-Glucarate
Designs for HealthCalcium D-GlucarateHealf · 60 capsules · 30 servings · 150 mg a servingDetails and price historyAdd to my stack
£3.36£100.809 days£30.24View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 150 mg = 4.5 g
  • £30.24 ÷ 4.5 g × 500 mg = £3.36 per 500 mg
  • Amount per serving: stated on the label.
What the retailer's listing says
  • pack units “60 capsules”
  • servings stated “Servings Per Container: 30”
  • units per serving “Serving Size: 2 Capsules”
  • amount per serving “Calcium (from Calcium D-Glucarate USP 1.2 g) ; 150 mg”
  • compound mass “Calcium D-Glucarate USP 1.2 g”

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25
Agent Nateur holi (mane)
holi (mane)Agent Nateur · Healf · 300 g · 30 servings · 200 mg a servingDetails and price historyAdd to my stackUnflavouredalso contains collagen
£6.08£182.5012 days£73.00View at Healf (opens in a new tab)Free delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared.
Show the working
  • Servings: 300 ÷ 10 per serving = 30
  • In the pack: 30 × 200 mg = 6 g
  • £73.00 ÷ 6 g × 500 mg = £6.08 per 500 mg
  • Amount per serving: stated on the label.
  • Also contains: collagen. The price counts the calcium only.
What the retailer's listing says
  • pack units “300g”
  • servings stated “Servings Per Container: 30”
  • units per serving “Serving Size: 10 grams”
  • amount per serving “Calcium ; 200 mg”

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By shop

Each shop's calcium products, with where its cheapest sits in the market.

How we work out these prices

We count the elemental calcium a product provides, not the weight of the whole compound it comes in. If a label states the calcium amount, we use it. If it only gives the compound's weight, we estimate using a published conversion factor and mark the figure “estimated”. If we cannot tell which the number means, the product is left out until it can be confirmed.

Our full method · All calcium forms