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Calcium Supplements

Choose the best Calcium Supplement for you based on independent lab-tested ratings. Calcium citrate, calcium carbonate, Vitamin D calcium and more.

Origins Nutra Bone Strength | Unbox Health Lab Ratings, Reviews

Origins Nutra Bone Strength

Contains Calcium, Vit-D, Vit-K2 & Magnesium | Claims per capsule: 300mg Calcium, 5mcg Vit-D, 25mcg Vit-K2, 22mg Magnesium

Carbamide Forte Calcium & Vitamin D3 | Unbox Health Lab Ratings, Reviews

Carbamide Forte Calcium & Vitamin D3

Contains Calcium, Vit-D, Vit-K2, Magnesium & Zinc | Claims per capsule: 250mg Calcium, 7.5mcg Vit-D, 27.5mcg Vit-K2, 27.5mg Magnesium, 6.6mg Zinc

Fast&Up Reload Essential Electrolytes | Lime and Lemon flavour | Unbox Health Lab Ratings, Reviews

Fast&Up Reload Essential Electrolytes | Lime and Lemon flavour

Previously Rated:

Tablet Form | Low dosage of Sodium & Potassium | Contains Sodium, Potassium, Chloride, Calcium, Magnesium, Vitamin C, Vitamin B12

Enerzal Energy Drink Powder | Orange Flavour | Unbox Health Lab Ratings, Reviews

Enerzal Energy Drink Powder | Orange Flavour

Previously Rated:

Powder Form | Low dosage of Sodium & Potassium | Contains Sodium, Potassium, Chloride, Calcium, Magnesium

HealthyHey Nutrition Bonemax - Calcium with Magnesium, Vitamin D3 & Vitamin K2 | Unbox Health Lab Ratings, Reviews

HealthyHey Nutrition Bonemax - Calcium with Magnesium, Vitamin D3 & Vitamin K2

Previously Rated:

Contains Calcium, Vit-D, Vit-K2 & Magnesium | Claims per capsule: 271mg Calcium, 7.5mcg Vit-D, 27.5mcg Vit-K2, 5.26mg Magnesium

More Lab-Tested Categories

Iron Supplements | Unbox Health Lab Ratings, Reviews

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Magnesium Supplements | Unbox Health Lab Ratings, Reviews

Vitamin K2 Supplements | Unbox Health Lab Ratings, Reviews

Vitamin D Supplements | Unbox Health Lab Ratings, Reviews

How We Rate Calcium Supplements

As of Jun 2026, Unbox Health has lab tested and rated 5 products in the Calcium Supplements category.

We buy every product from the open market, with no brand involvement. Every product is tested at up to 3 NABL-accredited labs. Products are then rated D to A+, based on the following dimensions: their label accuracy, their toxicity and their nutritional profile (in the case of food products). All lab reports are published.

Read the full methodology for how we rate Calcium Supplements here.

FREQUENTLY ASKED QUESTIONS

What is the Recommended Dietary Allowance for Calcium Supplements?

The RDA (Recommended Dietary Allowance) of Calcium established by ICMR is 1000mg per day for adults, and 1200mg per day for lactating women. On Unbox Health, Calcium dosage brackets are defined based on the Calcium content (total per capsule) claimed on a product's label: Low (0-200mg), Medium (200-400mg), High (400+ mg).

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Best Calcium Supplements in India | Lab Test Ratings