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Updated: 14 Apr 2026

10 Best Calcium Supplements

#1 Best Pick
21st Century Calcium Supplement, 600 mg, 400 Count

21st Century Calcium Supplement, 600 mg, 400 Count

Brand: 21st Century
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  • Compare active ingredients to Caltrate 600
  • Support for bone health
  • High in calcium
  • No added sugar, yeast, preservatives or artificial flavors
  • Gluten free
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#2 Best Value
NOW Calcium Hydroxyapatite,120 Capsules

NOW Calcium Hydroxyapatite,120 Capsules

Brand: NOW
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  • No features listed
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#3 Budget Pick
Cal-Sup Tab X 60

Cal-Sup Tab X 60

Brand: Cal
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  • CAL SUP is a chewable calcium supplement which assists in strengthening bones, treating osteoporosis and preventing calcium deficiency. Other Benefits: -Suitable for those who have difficulty swallowing large tablets.-Available in a refreshing spearmint flavour.-Sugar Free-Gluten Free-Lactose Free-Preservative Free-No artificial colouring-Low sodium Ingredients:Calcium carbonate BP 1250mg equivalent to 500mg elemental Calcium Directions:2 tablets daily. Tablets may be chewed, crushed, sucked or
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#4 Top Choice
Blackmores Total Calcium Magnesium + D3 | Supports Bone Health & Muscle Function | 200 Tablets

Blackmores Total Calcium Magnesium + D3 | Supports Bone Health & Muscle Function | 200 Tablets

Brand: Blackmores
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  • Product Type: Health Personal Care
  • Package Quantity: 1
  • Assists With Calcium Deficiency Through Daily Maintenance
  • Blackmores Is AustraliaS Most Trusted Vitamin And Supplement Brand As Voted By Australians In The 2009-2017 Readers Digest Most Trusted Survey
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#5 Popular Choice
Nature's Own Calcium, Magnesium and Vitamin D Tablets 120 - Dietary Supplement - Maintains Bone Health and Strength - Supports Calcium Absorption and Muscle Function

Nature's Own Calcium, Magnesium and Vitamin D Tablets 120 - Dietary Supplement - Maintains Bone Health and Strength - Supports Calcium Absorption and Muscle Function

Brand: Nature's Own
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  • SUPPORTS BONE HEALTH and STRENGTH: Our calcium and magnesium supplement helps to maintain bone density and health
  • SUPPORTS MUSCLE FUNCTION: When magnesium intake is inadequate, Nature's Own Calcium, Magnesium and Vitamin D3 tablets help to support healthy muscle function
  • SUPPORTS CALCIUM ABSORPTION: Works to support calcium absorption A diet deficient in calcium can lead to osteoporosis Calcium may help prevent osteoporosis when dietary intake is inadequate
  • No added gluten, lactose, artificial colours, artificial flavours, artificial sweeteners, artificial preservatives, or dairy products
  • RECOMMENDED ADULT DOSAGE: Take 2 tablets twice daily with food or as recommended by your healthcare provider
  • Always read the label and follow the directions for use See product warnings below
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#6 Top Pick
Cal 600 Calcium Supplement 120 Tablets

Cal 600 Calcium Supplement 120 Tablets

Brand: Cal 600
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  • High potency calcium supplement formulated to strengthen bone and tissue
  • Reduce the risk of osteoporosis which is common in women later in life
  • Contains 1500mg of calcium carbonate equivalent to 600mg of elemental calcium
  • Helps enhance/promote bone mineralisation
  • Maintain/support bone mass/density/integrity
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#7 Top Pick
600mg Calcium Supplement Tablets, 120 count

600mg Calcium Supplement Tablets, 120 count

Brand: Cal-Care 600mg x 120 tabs
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  • Providing 600 mg of elemental calcium in each tablet
  • Essential for the maintenance of strong and healthy bone
  • Helps build and maintain strong bones
  • Calcium is also required for a number of vital bodily functions
  • Maximise bone strength in our youth and to reduce bone loss
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#8 Top Pick
Caltrate Bone And Muscle Health Tablets, Multi 100 Count (Pack of 1)

Caltrate Bone And Muscle Health Tablets, Multi 100 Count (Pack of 1)

Brand: Caltrate
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  • Supports healthy bones
  • Supports healthy muscles
  • Minerals to maintain bone strength & flexibility
  • Vitamin D to optimise calcium absorption
  • Supports muscle strength
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#9 Top Pick
Swisse Ultiboost Calcium + Vitamin D - Supports Absorption Of Dietary Calcium - 150 Tablets

Swisse Ultiboost Calcium + Vitamin D - Supports Absorption Of Dietary Calcium - 150 Tablets

Brand: Swisse
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  • Helps maintain bone and teeth health.
  • Contains a naturally derived source of vitamin D3.
  • Assists with osteoporosis prevention when dietary intake is inadequate.
  • Helps maintain bone density in ageing individuals.
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#10 Top Pick
Ostelin Calcium & Vitamin D3 Tablets 250 - Supports Bone Density - Supports Healthy Bone Development in Teens - Maintains Healthy Immune System & Muscle Function

Ostelin Calcium & Vitamin D3 Tablets 250 - Supports Bone Density - Supports Healthy Bone Development in Teens - Maintains Healthy Immune System & Muscle Function

Brand: Ostelin
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  • BONE GROWTH: Assists with healthy bone development in teens*
  • SUPPORTS MUSCLE FUNCTION: Maintains healthy muscle function
  • IMMUNE SUPPORT: Maintains healthy immune system function
  • NO ADDED: Gluten, lactose, artificial colours, artificial flavours, artificial sweeteners, or dairy products
  • Always read the label and follow the directions for use. See product warnings below
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