SuppHelper
search
Home›Supplements›Mineral›Calcium›Calcium 500 mg with Vitamin D3 Nature's Bounty
Product Image

Calcium 500 mg with Vitamin D3

Nature's Bounty
4.8
★ ★ ★ ★ ★
(1232 ratings)
Calcium 500 mg
Product Image
Score 88

A highly affordable and effective combination of oyster shell calcium (500mg) and Vitamin D3 for robust bone and nail support.

Quantity: 300 Tablet(s) • (300 servings)
Goals:
flag Bone Health
flag Nail Health

leaderboard Score 88

A highly affordable and effective combination of oyster shell calcium (500mg) and Vitamin D3 for robust bone and nail support.

Dose: 600mg, Quantity: 250

insightsAnalysis

This product delivers 500mg of elemental calcium from oyster shell (calcium carbonate) along with 20mcg of Vitamin D3 (Cholecalciferol). This pairing is highly effective, as Vitamin D3 is crucial for the body to properly absorb and utilize calcium, making it a synergistic blend for supporting bone density and nail strength.

Its exceptional affordability, combined with a solid dose of essential nutrients from a popular brand, makes it an outstanding choice for daily calcium supplementation. It's a straightforward and dependable option for comprehensive bone and nail health routines.

thumb_upPros
  • Exceptionally cost-effective at just $0.05 per serving.
  • Provides a good dose of 500mg elemental calcium.
  • Includes essential Vitamin D3 (20mcg) for optimal calcium absorption.
  • From Nature's Bounty, a widely recognized and trusted brand.
  • Very high customer satisfaction with over a thousand reviews.
thumb_downCons
  • Calcium carbonate is best absorbed when taken with food due to its reliance on stomach acid.
  • Tablets may be large for some individuals.
warningWarnings
  • Best taken with food to improve absorption.
  • Consult a professional if taking medications that may interact with calcium or Vitamin D.
flagReport analysis
$17.19($0.05 per serving)
Vitacost
$ 17.19
iHerb
$ 17.40
flagReport prices

Ingredients

IngredientAmount per serving
Vitamin D
10 mcg
Calcium
500 mg
Sodium
10 mg
grain_off Gluten Free person Adults 18–50 free_breakfast Dairy Free Sugar Free
flagReport overview

Categories

Calcium 90
This product is an outstanding performer in the calcium collection due to its effective combination of elemental calcium and vital Vitamin D3, all delivered at an extremely accessible price point.
storefront View products

Goals

flag Bone Health 90
The combination of 500mg calcium and a significant dose of Vitamin D3 provides excellent support for bone health. This synergy promotes optimal calcium absorption and contributes to maintaining bone density.
flag Nail Health 90
With a substantial calcium dose and Vitamin D3 for superior absorption, this product offers very strong support for promoting robust and healthy nails. Calcium is a key structural component for nail integrity.
inventory_2Recommended products
85 Value

Calcium Magnesium Zinc + D3

21st Century
4.7
★★★★★
(108794 ratings)
This product offers a comprehensive blend of calcium (carbonate), D3, magnesium, and zinc—all essential for robust bone health—at an extremely low price per serving, providing excellent multi-mineral support for the value.
Other sellers (2)
75 Value

Calcium (Carbonate Aspartate & Citrate) 500 mg

Swanson Premium Brand
4.8
★★★★★
(391 ratings)
By combining different calcium forms, including the more absorbable citrate, this alternative offers improved bioavailability over pure calcium carbonate at a very competitive price, delivering better bang for your buck.
Other sellers (0)
92 Value

Stronger Bones

Garden of Life Dr. Formulated
4.6
★★★★★
(117 ratings)
Featuring natural eggshell calcium, Vitamin D3, and K2, this supplement provides superior bone health support with high bioavailability. Although its price per serving is higher, the comprehensive and quality ingredients offer significantly better overall value for dedicated bone health.
Other sellers (1)
98 Performance

Calcium Bone Maker Complex with MCH-Cal and VitaMK7

Doctor's Best
4.7
★★★★★
(7547 ratings)
This alternative features MCH-Cal (Microcrystalline Hydroxyapatite), a highly bioavailable and comprehensive calcium source, combined with both Vitamin D3 and K2 for superior bone and cardiovascular health, far surpassing oyster shell calcium.
Other sellers (4)
95 Performance

Raw Calcium

Garden of Life Vitamin Code
4.6
★★★★★
(4266 ratings)
Derived from plant-based algae, this calcium is known for its excellent bioavailability and comes with a full spectrum of natural co-factors like D3, K2, and magnesium, offering a much more holistic and effective bone health solution.
Other sellers (2)
90 Performance

Calcium + Vitamin D

Swisse Ultiboost
4.6
★★★★★
(1270 ratings)
With calcium citrate, a form that is generally better absorbed and less dependent on stomach acid than calcium carbonate, along with Vitamin D, this alternative provides a more efficient delivery of calcium to the body.
Other sellers (0)
75 Budget

Calcium 500 + D3

21st Century
4.8
★★★★★
(4202 ratings)
This alternative offers the exact same specifications (500mg oyster calcium + D3) as the original but at a remarkably lower price per serving (2 cents), representing better economic value.
Other sellers (0)
75 Budget

Calcium 500+D3

21st Century
4.8
★★★★★
(5226 ratings)
Very similar to other 21st Century oyster calcium with D3 products, this one is also significantly cheaper at 2 cents per serving, providing comparable benefits to the Nature's Bounty product for less cost.
Other sellers (2)
78 Budget

600+D3

21st Century
4.8
★★★★★
(7310 ratings)
Providing a higher elemental calcium dose (600mg) along with Vitamin D3 at an incredibly low price of 2 cents per serving, this calcium carbonate option offers a superior quantity of active ingredients for less money.
Other sellers (1)
85 Value

Calcium Magnesium Zinc + D3

21st Century
4.7
★★★★★
(108794 ratings)
This product offers a comprehensive blend of calcium (carbonate), D3, magnesium, and zinc—all essential for robust bone health—at an extremely low price per serving, providing excellent multi-mineral support for the value.
Other sellers (2)
75 Value

Calcium (Carbonate Aspartate & Citrate) 500 mg

Swanson Premium Brand
4.8
★★★★★
(391 ratings)
By combining different calcium forms, including the more absorbable citrate, this alternative offers improved bioavailability over pure calcium carbonate at a very competitive price, delivering better bang for your buck.
Other sellers (0)
92 Value

Stronger Bones

Garden of Life Dr. Formulated
4.6
★★★★★
(117 ratings)
Featuring natural eggshell calcium, Vitamin D3, and K2, this supplement provides superior bone health support with high bioavailability. Although its price per serving is higher, the comprehensive and quality ingredients offer significantly better overall value for dedicated bone health.
Other sellers (1)
98 Performance

Calcium Bone Maker Complex with MCH-Cal and VitaMK7

Doctor's Best
4.7
★★★★★
(7547 ratings)
This alternative features MCH-Cal (Microcrystalline Hydroxyapatite), a highly bioavailable and comprehensive calcium source, combined with both Vitamin D3 and K2 for superior bone and cardiovascular health, far surpassing oyster shell calcium.
Other sellers (4)
95 Performance

Raw Calcium

Garden of Life Vitamin Code
4.6
★★★★★
(4266 ratings)
Derived from plant-based algae, this calcium is known for its excellent bioavailability and comes with a full spectrum of natural co-factors like D3, K2, and magnesium, offering a much more holistic and effective bone health solution.
Other sellers (2)
90 Performance

Calcium + Vitamin D

Swisse Ultiboost
4.6
★★★★★
(1270 ratings)
With calcium citrate, a form that is generally better absorbed and less dependent on stomach acid than calcium carbonate, along with Vitamin D, this alternative provides a more efficient delivery of calcium to the body.
Other sellers (0)
flagReport alternatives

SuppHelper

Compare supplements smarter. Science-backed, user-rated, updated daily.

Explore

  • Compare Supplements
  • Health Goals
  • Stacks

Legal

  • Privacy Policy
  • Terms of Use
  • Medical Disclaimer

Stay in the Loop

© 2025 SuppHelper. All rights reserved.