LifeSource Vitamins
Rated 5.0 out of 5
16 Reviews

Oyster Shell Calcium w/ Magnesium & Vitamin D-3 - 2 Sizes / 100 & 200 Tabs

Original Price: $11.99   Current Price: $11.99
  • Supports strong, healthy bones and bone density*
  • Supports calcium absorption and utilization*
  • Supports muscle function and relaxation*
  • Supports healthy nerve function and signaling*
  • Supports daily wellness and active lifestyles*
  • Provides 1,000 mg of calcium per serving*
  • Includes magnesium and vitamin D3 for nutritional support*
  • 3rd-Party Tested  -  Trusted Since 1992
Count
  • Free Standard Shipping on Order $34+

Purchase options
Recurring Subscription

Pairs well with:

Product Details

Oyster Shell Calcium + Magnesium + Vitamin D — Supports Strong Bones & Healthy Muscle Function*

LifeSource Vitamins Oyster Shell Calcium + Magnesium + Vitamin D combines naturally derived oyster shell calcium with magnesium and vitamin D₃. This synergistic formula is thoughtfully designed to support strong bones, calcium absorption, and healthy muscle function as part of a healthy daily routine.*

✅ Family-Owned Since 1992
✅ GMP-Certified Facilities
✅ 3rd-Party Tested

⭐ Trusted by over 100,000 customers with over 7,000 5-star reviews

Key Benefits

  • Supports strong, healthy bones and bone density*
  • Supports calcium absorption and utilization*
  • Supports healthy muscle function and relaxation*
  • Provides synergistic mineral support for skeletal wellness*
  • Convenient combination formula for daily use*

Key Ingredients

  • Oyster Shell Calcium (Calcium Carbonate) — Provides bioavailable calcium to support bone structure and strength.*
  • Magnesium — Supports bone formation, vitamin D metabolism, and normal muscle function.*
  • Vitamin D₃ — Helps the body absorb calcium and supports bone mineralization.*

Who May Benefit Most

  • Adults seeking daily support for bone health and strength*
  • Individuals wanting to support healthy calcium absorption*
  • Those looking to maintain normal muscle function*
  • Active individuals or those with increased mineral needs*
  • Anyone preferring a synergistic mineral combination formula*
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy Produced in FDA-registered, GMP-certified facilities. See Our Testing Results →

Why Trust LifeSource Vitamins

Since 1992, LifeSource Vitamins has remained committed to providing high-quality supplements made with carefully selected ingredients and rigorously tested for identity, purity, potency, and label accuracy. As a family-owned company, we believe you deserve transparency, consistency, and products you can trust to support your wellness goals.

Wellness Research & Education
LifeSource Vitamins evaluates wellness research and educational resources from respected organizations including the National Institutes of Health (NIH), Mayo Clinic, Harvard Health, Johns Hopkins Medicine, Cleveland Clinic, Mount Sinai, and other trusted health resources.
  • Research has explored the roles of calcium, magnesium, and vitamin D in supporting bone health.*
  • Studies have evaluated vitamin D’s contribution to calcium absorption.*
  • Research has explored magnesium’s role in bone formation and muscle function.*

Suggested Use

Adults take 2 tablets daily with food and water, or as directed by your healthcare professional. For best absorption of calcium carbonate, take with meals and consider splitting larger daily amounts. If pregnant, nursing, taking medications, or have a medical condition (especially kidney issues), consult your physician.*

Product Specifications

  • Form — Tablets
  • Quantity — 100 Tablets per bottle
  • Active Ingredients — Oyster shell calcium (carbonate), magnesium, vitamin D₃
  • Free From — Gluten, dairy, soy, artificial colors/preservatives*
  • Quality — 3rd-Party Tested for Identity, Purity, Potency & Label Accuracy
Often Paired With

Phone: 800-567-8122 | Email: info@lifesourcevitamins.com

LifeSource Vitamins — Proudly American — Since 1992

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Oyster Shell Calcium + Magnesium + Vitamin D supports strong bones, calcium absorption & muscle function. Synergistic mineral formula. 3rd-Party Tested. LifeSource Vitamins | Trusted Since 1992.*

Customers consistently praised this calcium supplement with magnesium and vitamin D-3 for effectively filling nutritional gaps. Shoppers noted "great value" with competitive pricing and appreciated the oyster shell calcium formulation. Long-term customers reported using it for years with "great help" for bone health. Fast shipping was mentioned positively.

  • This really fills the gap for calcium intake.
  • Been taking this for years. Great help.
  • Can't go wrong with the price.
Shipping (positive)Calcium (positive)Vitamins (positive)Supplement (positive)Price (positive)
  • 5 stars: 16 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
J
John P.
Oyster Calcium

I track my foods/minerals/vitamins closely and wwas coming up short on calcium. This really fills the gap.

J
Jackie M.
n/a

n/a

Thank you so much for the 5 Stars Jackie. Have an amazingly blessed week!

K
Karl h.
Seems pretty solid

Can't go wrong with the price. And i was so happy to see that they carried the oyster shell calcium. By the way, calcium intake recommendations are about 1000mg a day for nearly everyone. Women and the aged need more. Better to start supplementing sooner than later.

J
James C.
Great source of Calcium

Been taking this for years. Great help.

K
Kenneth C.
Excellent Products

I have used Lifesource vitamins for many years. I do not believe you can find a better multivitamin.

F
FRANKIE S.
n/a

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Thank you, Frankie, for taking the time to share your 5 star rating of Calcium - Oyster Calcium w...

C
Cyndi W.
Cyndi White

You are wonderful - have many supplements we buy.

K
Karyn R.
5 Star Oyster Calcium

Great product!

M
Marilynn B.
Oyster Calcium

5 Stars

D
Deborah C.
5 Stars

Everything about this company is 5+ and has been for many many years for me!!!

G
Guest
Oyster Calcium

5 Stars

A
Amy S.
5 Stars

5 Stars, Great Product! Quick Shipping!

R
Rebecca B.
5 Stars

Lifesource Vitamins - Awesome product.

W
Wendellyn R.
Oyster Calcium

5 Stars - Love this product.

P
PENNY S.
Low

I was low on all these now they've come up enough doctor said to not take:)

R
ROBERT M.
Oyster Calcium

ORDER - CAME TWO DAYS LATER; THAT'S GOOD SERVICE

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