Vitamin D-3 125 mcg (5,000 IU) — 90 Capsules
LifeSource Vitamins Vitamin D-3 delivers high-potency cholecalciferol (D3) in easy-to-take capsules, thoughtfully formulated to support healthy calcium absorption, bone strength, muscle function, and everyday immune wellness as part of a healthy active lifestyle.
- Supports healthy calcium absorption and utilization*
- Supports bone strength and mineralization*
- Supports healthy muscle function*
- Formulated to support everyday immune wellness*
Who May Benefit Most
- Adults seeking higher-potency support for bone and immune wellness*
- Those with limited sun exposure or dietary gaps*
- Active individuals or families supporting overall wellness*
- Anyone working with a clinician to maintain healthy vitamin D levels*
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy
Produced in FDA-registered, GMP-certified facilities.
See Our 3rd Party Testing →
⭐ Trusted by customers nationwide with over 7,000 5-star reviews
Why Choose LifeSource Vitamins?
- Family-owned and operated since 1992
- Independently 3rd-party tested for identity, purity, potency & label accuracy
- Produced in FDA-registered, GMP-certified facilities
- Commitment to quality, purity, and customer satisfaction
- Helping customers support their wellness goals since 1992
Vegetarian • Gluten-Free
Key Ingredients
- Vitamin D3 (Cholecalciferol) — 125 mcg (5,000 IU) per capsule*
Wellness Research Highlights
Key research highlighting the role of this ingredient in supporting wellness.*
✓ Supports healthy calcium absorption and bone strength* — Vitamin D3 plays a key role in helping the body utilize calcium effectively. Holick MF. Vitamin D Deficiency. New England Journal of Medicine (2007)
✓ Helps maintain normal immune function* — Adequate Vitamin D levels are linked to healthy immune responses. NIH ODS Vitamin D Fact Sheet
Suggested Use
Take 1 capsule daily or as recommended by your healthcare professional. Consult your physician before use if pregnant, nursing, taking medications, or have a medical condition.*
Product Specifications
• Serving Size: 1 Capsule • Servings Per Container: 90
• Key Active(s): Vitamin D3 (Cholecalciferol) 125 mcg (5,000 IU)
Frequently Asked Questions
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When is the best time to take this? With a meal containing fat for best absorption.*
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Can I take this with other supplements? Generally well-tolerated — consult your healthcare professional.*
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How long until I may notice benefits? Results vary and consistency matters.*
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Is this gluten-free? Yes, this formula is gluten-free and vegetarian.*
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What is the source of Vitamin D3? Lanolin-derived cholecalciferol.*
Often Paired With
Recommended Reading
- Vitamin D Deficiency and Heart Failure Risk → Read Article
- Vitamin D Deficiency in the United States: Who Is at Risk? → Read Article
- Vitamin D: New Studies on Benefits for Brain Health → Read Article
LifeSource Vitamins — Proudly American — Since 1992
Have questions? Call us at 800.567.8122 or email info@lifesourcevitamins.com
*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.
LifeSource Vitamins Vitamin D-3 125 mcg (5,000 IU) supports healthy calcium balance, bone strength, muscle function, and immune wellness. 3rd-party tested.*
