Vitamin D-3 125 mcg (5,000 IU) — 120 & 240 Softgels
LifeSource Vitamins Vitamin D-3 delivers high-potency cholecalciferol (D3) from lanolin in easy-to-take softgels, 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*
✅ Family-Owned Since 1992
✅ Made in the USA
✅ Third-Party Tested
⭐ Trusted by customers nationwide with over 7,000 5-star reviews
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*
Key Ingredients
- Vitamin D3 (Cholecalciferol from Lanolin) — 125 mcg (5,000 IU) per softgel*
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy
Produced in FDA-registered, GMP-certified facilities.
See Our 3rd Party Testing →
Why Trust LifeSource Vitamins?
- Family-Owned and Operated Since 1992
- Serving Customers Nationwide Since 1992
- More Than 7,000 Verified 5-Star Reviews (4.8–4.9 average)
- Made in the USA in FDA-registered, GMP-certified facilities
- Independently Third-Party Tested for Identity, Purity, Potency & Label Accuracy
- Non-GMO • Gluten-Free • Family-Owned Company
Our Quality Promise
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.
✓ Supports healthy calcium absorption and bone strength* — Vitamin D3 plays a key role in helping the body utilize calcium effectively.
✓ Helps maintain normal immune function* — Adequate Vitamin D levels are linked to healthy immune responses.
Suggested Use
Take 1 softgel daily with a meal, or as directed by your healthcare professional.*
Product Specifications
• Serving Size: 1 Softgel • Servings Per Container: 120 or 240
• Key Active: Vitamin D3 (Cholecalciferol from Lanolin) 125 mcg (5,000 IU)
Customer Reviews
This product is backed by LifeSource Vitamins' commitment to quality and customer satisfaction, supported by over 7,000 five-star reviews across our product catalog.
— Verified LifeSource customers.
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? Individual experiences vary and consistent use is recommended.*
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Is this gluten-free? Yes, this formula is gluten-free and Non-GMO.*
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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
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. Family-Owned Since 1992, 3rd-Party Tested.*
