Calcium Supplements in the UK
Calcium is needed for the maintenance of normal bones and teeth. The NHS puts adult needs at 700mg a day. This range covers single-mineral products and combinations with vitamin D3, vitamin K2 or magnesium from BlueBonnet, SOLARAY, Pure Encapsulations and NOW Foods.
Buying guide and FAQs
What to compare
Forms include calcium carbonate, citrate and malate, and the elemental calcium figure is the one to compare. Carbonate is usually taken with food. Tablets, capsules and gummies make up most of the range.
How much calcium is too much?
The NHS says 1,500mg or less a day from supplements is unlikely to cause harm. Higher amounts can cause stomach pain and diarrhoea.
Can I take calcium with iron or medicines?
Calcium can reduce how well iron and some medicines, including thyroid tablets and some antibiotics, are absorbed. Ask a pharmacist about timing.
Also browse: Vitamin D, Vitamin K2 Supplements, Magnesium
All prices are in GBP, with free standard UK delivery.
Food supplements should not replace a varied, balanced diet and a healthy lifestyle. This page is general information, not medical advice. Always read the label, and speak to your doctor or pharmacist if you are pregnant, breastfeeding, taking medication or have a medical condition.
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Vendor:Standard Process Inc.
Standard Process Cal-Amo: Cellular Health & Lung Support, 90 Tablets
Cal-Amo by Standard Process is a cellular health and lung support supplement designed to help maintain proper acid/alkaline balance and healthy respiratory function.Each 90-tablet bottle includes calcium and chloride in a whole-food-based formula. Vegan, gluten-free, dairy-free, and soy-free to fit diverse dietary needs.- £40.20
- £40.20
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Vendor:Douglas Laboratories
Douglas Laboratories Calcium Citrate | 250 mg Elemental Calcium for Bone & Teeth Support | 250 Tablets
Calcium Citrate tablets from Douglas Laboratories deliver 250 mg of elemental calcium per tablet to support the strength and structure of bones and teeth.Calcium is a primary mineral essential for healthy bone density and dental health. This GMP-manufactured, GMO-free formula includes vitamins, minerals, and...- £56.20
- £56.20
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Vendor:Pure Encapsulations
Pure Encapsulations Calcium-D-Glucarate | Cellular Health Support for Liver, Lungs, Breast & Colon | 60 Capsules
OverviewPure Encapsulations Calcium-D-Glucarate is a patented glucaric acid form designed to support the body’s natural cleansing processes and cellular function. While individual outcomes vary, this supplement fits into a thoughtful wellness routine, offering a balanced blend of detox-like support, metabolic nuance, and tissue health....- £88.80
- £88.80
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Vendor:OsteoShield
OsteoShield Peak Health Research — Bone & Joint Formula with Vitamin D3, K2 & Aquamin | 60 Capsules
OsteoShield Peak Health Research: A Triple Action Bone & Joint Formula OsteoShield Peak Health Research offers a plant-based calcium and mineral blend designed to support bone strength, joint flexibility, and daily stability. This formula pairs calcium with Aquamin minerals, Vitamin D3, and Vitamin K2...- £80.00
- £80.00
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Vendor:Metagenics
Metagenics Bone Builder Extra Strength – MCHC Calcium & Phosphorus for Strong Bones
Overview Metagenics Bone Builder Extra Strength combines microcrystalline hydroxyapatite concentrate (MCHC) with core minerals to offer a balanced, bone-friendly profile for everyday use. This formula is designed to fit smoothly into most wellness routines and aims to complement healthy lifestyle habits. While results may...- £44.23
- £44.23
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Vendor:LILICARE
2 Pack Plant-Based Calcium Gummies 600mg + D3 K2 Mg Zn – Vegan, Sugar-Free | LILICARE
Meet the next generation of calcium gummies LILICARE 2 Pack Plant-Based Calcium Gummies bring together a plant-sourced calcium from sustainably grown red marine algae. This calcium source naturally carries 70+ trace minerals and a honeycomb-like structure that researchers associate with improved absorption in the...- £60.50
- £60.50
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Vendor:Natural Factors
Natural Factors Calcium Citrate 90 Tablets for Strong Bones & Teeth
Calcium citrate is very well absorbed, particularly if taken on an empty stomach and may be the preferred form of calcium, especially for those with low stomach acid. Studies show that mineral citrates have superior absorption, especially when taken on an empty stomach. Calcium...- £21.69
- £21.69
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Vendor:DIAOLAI
Calcium Citrate Gummies 1000mg - Vitamin D3 & K2 - Peach Flavor - 60 Gummies
Strong Bones & Teeth Support: Each serving delivers 1000mg of highly absorbable Calcium Citrate, combined with Vitamin D3 & K2 to enhance calcium absorption and direct it to bones and teeth—helping maintain density and strength. Vitamin D3 & K2 for Absorption: Unlike ordinary calcium...- £25.98
- £25.98
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Vendor:Nutricost
Nutricost myHMB Capsules 1,500MG Calcium HMB Monohydrate – 60/120 Capsules
Nutricost myHMB Capsules deliver 1,500MG of calcium HMB per serving in a convenient capsule. Key features: May enhance athletic performance: Incorporating HMB into your regimen may assist in optimizing physical performance and endurance during intense training sessions. Convenient capsule form: Easy-to-swallow capsules offer a...- £25.92
- £25.92
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Vendor:Vazatisi
Vazatisi Calcium Magnesium Zinc Gummies with Vitamin D3 & B12 – Peach Flavor, 60 Count
Vazatisi Calcium Magnesium Zinc Gummies with Vitamin D3 and B12. This advanced formula delivers a calcium, magnesium, zinc complex with magnesium glycinate and magnesium citrate for high bioavailability and absorption. In addition, it includes phosphorus, sodium, and vitamins D3, B12, B6, and B9 to...- £25.98
- £25.98
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Vendor:Adora
Adora Calcium Supplement Disk – Organic Dark Chocolate, 30 Count | 500 mg Calcium
Organic Adora Calcium Supplement Disk in dark chocolate. Each disk delivers 500 mg calcium, 250 IU vitamin D3, 40 mg magnesium, and only 30 calories. Kosher by OU, gluten-free, trans-fat free, and made with all-natural premium milk chocolate. 30-count package.- £28.98
- £28.98
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Vendor:Caltrate
Caltrate 600 Plus D3 Minerals Calcium & Vitamin D Tablets – 120 ct
Caltrate 600 Plus D3 Plus Minerals calcium and vitamin D supplement tablets support bone strength and flexibility. Each tablet delivers 600 mg calcium carbonate and 20 mcg vitamin D3 to maximize calcium absorption.In addition to calcium, this bone health supplement includes essential minerals—zinc, copper...- £24.48
- £24.48
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Vendor:Caltrate
Caltrate 600 Plus D3 Minerals - Calcium & Vitamin D Tablets, 165 Count
Caltrate 600 Plus D3 Plus Minerals Calcium and Vitamin D Supplement Tablets provide bone strength with 600 mg calcium carbonate and 20 mcg vitamin D3 per tablet, plus zinc, copper and manganese to support collagen production for resilient bones. Take one tablet daily with...- £30.00
- £30.00
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Vendor:SOLARAY
Solaray Calcium Citrate 1000mg – Chelated Calcium for Bone Health | Vegan
Solaray Calcium Citrate 1000mg delivers bioavailable, chelated calcium to support strong bones and healthy teeth. Gentle on digestion and vegan-friendly, this calcium supplement is made in a GMP-certified facility with a 60-day money-back guarantee. Eco-friendly packaging helps reduce your carbon footprint while maintaining quality.- £24.66
- £24.66
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Vendor:Caltrate
Caltrate Chewables 600+D3 Plus Minerals Calcium and Vitamin D Supplement - Sugar Free, Cherry, Orange & Fruit Punch, 90 Count
Caltrate Chewables 600+D3 Plus Minerals provides 600 mg of calcium carbonate and 20 mcg of vitamin D3 per chewable, with zinc, copper and manganese to support bone strength and flexibility. Sugar free and available in Cherry, Orange and Fruit Punch flavors. Take one chewable...- £30.00
- £30.00
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Vendor:Nature's Bounty
Nature's Bounty Calcium 1200 mg + Vitamin D3 1000 IU Softgels – Bone Health, 120 ct
Nature's Bounty Calcium Plus Vitamin D3 1000 IU Softgels support bone and immune health. Each serving delivers 1200 mg calcium and 1000 IU vitamin D3 to aid calcium absorption and neuromuscular health. Gluten-free and free from dairy or wheat, these softgels are crafted without...- £15.71
- £15.71
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Vendor:NOW Foods
NOW Foods Bone Meal Powder, 1 lb (454 g) – Calcium & Phosphorus Supplement
NOW Foods Bone Meal Powder provides a natural source of calcium and phosphorus to support bone health. This 1 lb (454 g) container offers premium bone meal powder from NOW Foods for dietary supplementation. Now Foods Calcium and phosphorus source 1 lb (454 g)...- £42.98
- £42.98
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Vendor:BariatricPal
BariatricPal Easy Swallow Calcium Citrate 600mg + D3 | 30-Day Supply
Support bone health with BariatricPal Easy Swallow Calcium Citrate 600 mg plus 750 IU vitamin D3. Coated, small tablets designed for bariatric patients, offering enhanced absorption and gentle digestion. Gluten free. 180 tablets per bottle, take 3 tablets twice daily for a 30-day supply.- £40.98
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Vendor:Caltrate
Caltrate Chewables 600+D3 Plus Minerals – Sugar Free, 60 Count
Caltrate Chewables 600+D3 Plus Minerals is a sugar-free calcium and vitamin D3 supplement with essential minerals to support bone strength, flexibility, and collagen production. Each tablet contains 600 mg calcium carbonate and 20 mcg vitamin D3 to maximize absorption. Flavors include Cherry, Orange, and...- £19.40
- £19.40
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Vendor:Doctor's BEST
Doctors Best Calcium Bone Maker Complex | Broad Spectrum Bone Health
Bone Health Requires Multiple Nutrient Inputs. The popular literature would have us believe that by taking calcium supplements we can keep our bones strong into old age. But the medical literature tells a different story: calcium taken by itself does not reliably conserve bone...- £28.02
- £28.02
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