Clinically Studied

Vitamin D3 (Cholecalciferol)

2000 IU · High-absorption softgels
The Sunshine Vitamin Your Body Depends On

Vitamin D3 helps your body absorb calcium, supports strong bones and muscles, and plays a key role in immune balance, mood and overall wellbeing.

High Absorption
Immune Support
Bone & Muscle
Mood & Energy
GR
Medically Reviewed By
Dr. Gouthaman R ✓ Verified
MD, Community Medicine
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87%
Better Absorption
than Vitamin D2
2x
More Effective at
Raising Vitamin D
200+
Biological Functions
Supported
100%
Daily Value in
Just 1 Softgel
Non-GMO
Gluten Free
Soy Free
3rd-Party Tested
Why It Matters

Key Benefits

Vitamin D3 supports nearly every system in your body. Explore the evidence behind each benefit in our medical library.

Bone & Teeth Strength
Supports calcium deposition in bone for density, structure, and long-term skeletal health.
Understanding bone density
Immune Support
Helps regulate immune cell activity, supporting your body's natural defense response.
Vitamin D and immunity
Muscle Function
Vitamin D receptors in muscle tissue support strength, contraction, and recovery.
Muscle health & vitamin D
Mood & Energy
Linked to serotonin regulation and healthy energy, especially in low-sunlight months.
Vitamin D and mood
Calcium Absorption
Enhances intestinal absorption of calcium and phosphorus — the foundation of bone health.
How calcium absorption works
Heart & Vascular Health
Supports healthy cardiovascular function and normal blood pressure regulation.
Heart health & vitamin D
Backed by Science

How Vitamin D3 Works in Your Body

Vitamin D3 isn't active the moment you take it. Your body converts it through a precise two-stage process before it can support calcium balance, immunity, and bone health.

Step 1
Intake
A softgel delivers cholecalciferol (D3) in an oil base for efficient uptake.
Step 2
Absorption
Absorbed in the small intestine and carried into the bloodstream with dietary fat.
Step 3
Activation
The liver and kidneys convert D3 into calcitriol, its biologically active form.
Step 4
Effect
Active D3 signals cells to absorb calcium and supports immune and muscle function.
Full Transparency

Clean Ingredients

No fillers, no hidden additives. Exactly what's inside every softgel — and what isn't.

Supplement Facts
Serving Size: 1 Softgel
60 Servings Per Container
Vitamin D3 (as Cholecalciferol)
2000 IU
50 mcg · 250% Daily Value
Other Ingredients

Extra virgin olive oil, softgel capsule (bovine gelatin, vegetable glycerin, purified water).

Free From
Soy Gluten Dairy Artificial Colors Preservatives GMOs
% Daily Value based on standard adult reference intakes. Values verified per product before publishing.
The Science Rating

Strength of Evidence

We grade every claim by the quality of published research — so you know what's well-established and what's still emerging.

Strong Evidence
Evidence Strength
InsufficientStrong
What the Research Says

The role of Vitamin D3 in calcium absorption and bone health is supported by extensive, high-quality evidence, including randomized controlled trials and systematic reviews.

Evidence for immune and mood support is promising but more variable — these benefits are best described as supportive, not curative. We report this honestly rather than overstating.

GR
Medically Reviewed By
Dr. Gouthaman R Verified
MD, Community Medicine
Last reviewed
June 2026
Use Responsibly

Safety & Usage

Clear guidance on how to take this product safely — and when to check with your doctor first.

Dosage & Directions
  • Take 1 softgel daily with a meal containing fat for best absorption.
  • Do not exceed the recommended daily dose unless advised by a doctor.
  • Best taken in the morning; consistency matters more than timing.
Precautions
  • Consult your doctor before use if pregnant or breastfeeding.
  • Not recommended for those with high blood calcium (hypercalcemia).
  • Keep out of reach of children. Store in a cool, dry place.
Interactions
  • May interact with certain heart, diuretic, or steroid medications.
  • Discuss with your doctor if taking other calcium or vitamin D supplements.
  • Tell your physician about all supplements before any procedure.
This information is not medical advice. It is provided for general educational purposes and does not replace consultation with a qualified healthcare professional. Always speak with your doctor before starting any supplement, especially if you have a medical condition, are pregnant or nursing, or take prescription medication.
Backed by Research

References

Every claim on this page is grounded in published science. Review our sources below.

View Scientific References6 sources · peer-reviewed & authoritative
1
NIH
Vitamin D — Health Professional Fact Sheet
National Institutes of Health, Office of Dietary Supplements · 2024
View source
2
Meta-analysis
Vitamin D supplementation and bone mineral density: a systematic review
The Lancet · 2022
View source
3
Journal
Cholecalciferol vs ergocalciferol: comparative bioavailability
American Journal of Clinical Nutrition · 2021
View source
4
Journal
Vitamin D and immune function: an overview
Proceedings of the Nutrition Society · 2020
View source
References last reviewed June 2026. All sources verified by our medical review team prior to publication.
Common Questions

Frequently Asked Questions

Everything you need to know before adding Vitamin D3 to your routine.

How much should I take daily?
One softgel (2000 IU) daily is suitable for most adults. If your doctor has recommended a different dose based on blood testing, follow their guidance.
When will I notice results?
Vitamin D works gradually. Blood levels typically rise over 6–8 weeks of consistent use; benefits to bone and immune health build over months.
Should I take it with food?
Yes. Vitamin D is fat-soluble, so taking it with a meal containing some fat improves absorption noticeably.
Is this suitable for vegetarians?
This softgel uses bovine gelatin, so it is not vegetarian. We're working on a plant-based capsule option — check back soon.
Can I take it with other supplements?
Generally yes, and it pairs well with calcium and vitamin K2. If you already take a multivitamin, check the combined vitamin D total with your doctor.
What if I miss a dose?
Simply take it the next day. There's no need to double up — vitamin D is stored in the body, so occasional missed doses won't undo your progress.
Want the full picture?
Read our complete medical guide to Vitamin D3 — benefits, science, dosing and more.
Read the full guide
Verified Customer Reviews

What Customers Say

4.8
★★★★★
Based on 124 reviews
582%
412%
34%
21%
11%
TK
Trisha K. Verified Purchase
2 weeks ago
★★★★★
Noticeable difference in energy
My vitamin D levels were low and my doctor suggested supplementing. After about 6 weeks I genuinely feel more energetic. The softgels are small and easy to take.
Helpful· 18 found this helpful
AS
Arjun S. Verified Purchase
1 month ago
★★★★☆
Good quality, clear labelling
Appreciate that the supplement facts and sourcing are transparent — that's why I chose this over cheaper options. Knocked one star only because I'd love a vegetarian capsule.
Helpful· 9 found this helpful
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Complete Your Routine

Pairs Well With

Supplements that work synergistically with Vitamin D3, based on how these nutrients support each other in the body.

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The healthy fats improve D3 absorption and support heart and brain health.
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