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600+D3

21st Century
4.8
★ ★ ★ ★ ★
(7354 ratings)
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Score 78

A calcium carbonate tablet with Vitamin D3, providing core nutrients for bone and nail health.

How scoring works
scaleQuantity:75 Tablet(s) • (75 servings)
track_changesGoals:

leaderboard Score 78

A calcium carbonate tablet with Vitamin D3, providing core nutrients for bone and nail health.

How scoring works
Also available as 3 options
400 servings 1 Tablet(s) • 400 Tablet(s) • 400 servings $11.99 ($0.02 per serving) 400 servings Calcium 600 mg • 400 Tablet(s) • 400 servings $13.99 ($0.03 per serving) 75 servings 1 Tablet(s) • 75 Tablet(s) • 75 servings $4.99 ($0.06 per serving)
$4.99($0.06 per serving)
iHerb
$ 4.99
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psychologyAnalysis

This supplement provides 600mg of elemental calcium from calcium carbonate, along with 20mcg (800 IU) of Vitamin D3 (cholecalciferol) in a tablet form. Calcium carbonate is a common and cost-effective source of calcium, best absorbed when consumed alongside a meal.

The inclusion of Vitamin D3 is crucial, as it significantly enhances the body's ability to absorb calcium from the digestive tract and utilize it for maintaining strong bones and nails. This product is a straightforward and accessible option for those looking to boost their calcium and Vitamin D intake.

thumb_upPros
  • Provides a good dose of elemental calcium (600mg).
  • Includes beneficial Vitamin D3 (800 IU) for calcium absorption.
  • Very economical price per serving.
  • Simple and direct formulation for core bone health.
thumb_downCons
  • Calcium carbonate is best absorbed with food.
  • Tablet size might be large for some individuals.
  • Does not include other bone-supporting minerals like magnesium.
warningWarnings
  • Take this supplement with a meal to ensure optimal absorption of calcium carbonate.
  • Consult a healthcare professional if you have a history of kidney stones or other medical conditions.
  • Avoid taking calcium supplements concurrently with certain medications that might be affected by calcium.
scienceNutrient quality
80 Highest impact

The nutrient quality is good, offering a respectable dose of calcium carbonate and a beneficial amount of Vitamin D3. This pairing effectively supports calcium absorption and utilization for bone health.

visibilityIngredient transparency
90 Highest impact

The product clearly lists the amounts of Vitamin D3 (as cholecalciferol) and calcium (as calcium carbonate). This provides clear and simple transparency regarding its key ingredients.

workspace_premiumValue for money
90 Highest impact

This product offers exceptional value for money, combining a solid dose of calcium and Vitamin D3 at an incredibly low price per serving. It's a highly economical choice for daily supplementation.

thumb_upCustomer satisfaction
85 Highest impact

With a high volume of positive reviews, this product demonstrates very good customer satisfaction. Its affordability and effectiveness for core bone health likely contribute to its widespread appeal.

storefrontBrand
60 Moderate impact

21st Century is known for producing very budget-friendly supplements. They provide basic, essential vitamins and minerals at a highly competitive price point.

flagReport analysis
track_changesGoals
flagBone Health
Impact
Highest effect
The combination of 600mg calcium and 800 IU Vitamin D3 offers good support for bone health. Calcium is essential for building and maintaining bone density, and Vitamin D3 plays a critical role in its proper utilization.
View goal →
flagNail Health
Impact
High effect
Adequate intake of both calcium and Vitamin D is important for overall mineral balance in the body, which can contribute to the strength and healthy appearance of nails. This product helps ensure these foundational nutrients are present.
View goal →
scienceIngredients
IngredientAmount per serving
Vitamin D3
20 mcg
Calcium
600 mg
grain_off Gluten Free person Adults 18–50
flagReport overview
Calcium 82
This product is a strong contender within the 'Calcium' collection, providing a substantial dose of calcium along with essential Vitamin D3. It's an effective and accessible way to meet daily calcium requirements.
scienceView ingredientinventory_2View products
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