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
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Oyster Shell Calcium (Calcium Carbonate) — Provides bioavailable calcium to support bone structure and strength.*
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Magnesium — Supports bone formation, vitamin D metabolism, and normal muscle function.*
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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
Frequently Asked Questions
Q: Why combine calcium, magnesium, and vitamin D?
A: These nutrients work synergistically to support bone health, calcium absorption, and muscle function.*
Q: When is the best time to take this product?
A: Take with meals for better absorption of calcium carbonate. Splitting the daily dose can also help.*
Q: Is this product 3rd-party tested?
A: Yes, every batch is independently tested for identity, purity, potency, and label accuracy (including heavy metals).*
Q: Is it suitable for daily use?
A: Yes, it is formulated for daily mineral support as part of a balanced wellness routine.*
Recommended Reading
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.*
