Vitamin D3
Our Vitamin D3 (cholecalciferol), is the preferred and most bioavailable form of vitamin D, provides 2500IU to support immune health, muscle function and strong bones. Every batch of Blue Star Nutraceuticals® Vitamin D3 is certified by Informed Sport®, one of the most respected anti-doping testing programs in the world.
Vitamin D3
Our Vitamin D3 (cholecalciferol), is the preferred and most bioavailable form of vitamin D, provides 2500IU to support immune health, muscle function and strong bones. Every batch of Blue Star Nutraceuticals® Vitamin D3 is certified by Informed Sport®, one of the most respected anti-doping testing programs in the world.
- 3RD PARTY LAB TESTED
- PhD FORMULATED
Discover Vitamin D3
- 2500IUVitamin D3
- Informed Sport® Certified
- PhD Formulated
Vitamin D3 to Support Immune Health, Muscle Function, Strong Bones
-
A Practical Dose The standard recommended intake for vitamin D is designed primarily to prevent deficiency not necessarily to support optimal vitamin D status. Blue Star® Vitamin D3 provides 2,500 IU per softgel, designed to help support healthy vitamin D levels. -
Premium Cholecalciferol Blue Star Nutraceuticals® Vitamin D3 delivers premium cholecalciferol, the same form naturally produced by the body from sunlight to help support bone health, immune function, muscle performance, and overall wellness.
-
Coconut Oil - No Seed Oil Coconut oil is a preferred carrier for fat soluble vitamins, such as Vitamin D3, because they are faster and easier absorbed. Coconut oil is stable and more resistant to oxidation.
What’s Inside
Every Blue Star Nutraceuticals® formula starts with one question: What does it take to get real results? That’s why every ingredient inside—every dose, every compound—is carefully selected, precisely measured, and backed by science. Developed by PhDs. Trusted by athletes. Built to work.
AT A GLANCE
Combat
Vitamin D3 Deficiency
The Risk of Developing Osteoporosis
Poor immune system
What Vitamin D3 Does For You
-
Supports Strong Bones & Teeth Vitamin D helps your body absorb and utilize calcium and phosphorus, two essential minerals required for the development and maintenance of healthy bones and teeth. -
Supports Immune Health Vitamin D helps support normal immune system function and assists your body's natural defense mechanisms year-round. -
Supports Muscle Function Vitamin D receptors are found throughout muscle tissue. Maintaining healthy vitamin D levels helps support normal muscle function, mobility, and physical performance. -
Supports Everyday Wellness From training and recovery to work, family, and daily life, maintaining healthy vitamin D status helps support overall health and well-being.
The Science Behind
Vitamin D3
THE DETAILS
Purity. Confidence. Highly Bioavailable. Real Everyday Support.
Vitamin D is one of the most important nutrients in the body, yet many adults fail to get enough from sunlight and diet alone. Modern indoor lifestyles, seasonal changes, northern climates, and limited sun exposure can all make it difficult to maintain healthy vitamin D levels year-round. Blue Star Nutraceuticals® Vitamin D3 provides 2,500 IU of premium Vitamin D3 (cholecalciferol), the same form naturally produced by the body in response to sunlight, to help support the systems that keep you performing at your best every day.
-
-
-
- Informed Sport Certified
-
- Coconut Oil
-
- No Seed Oils
-
- PhD Formulated
-
- 3rd Party Lab Tested
How Vitamin D3 Works
-
01 First Activation (Liver) In the liver, cholecalciferol undergoes its first chemical transformation (hydroxylation) to become calcifediol (25-hydroxyvitamin D). This is the circulating, inactive storage form of the vitamin. -
02 Final Activation (Kidneys) Calcifediol travels to the kidneys, where it undergoes a second transformation to become calcitriol (1,25-dihydroxyvitamin D). Calcitriol is the highly potent, fully active hormone form of Vitamin D. -
03 Gene Regulation via Receptors ctive calcitriol circulates through the body and binds to Vitamin D Receptors (VDR) located inside almost every type of human cell. Once bound, it acts like a switch, directly influencing how certain genes express themselves. -
04 Calcium and Bone Homeostasis Its primary genetic instruction is telling the intestines to actively absorb calcium and phosphorus from your diet. It then regulates how these minerals are deposited into the skeleton to build and maintain strong bone density. -
05 Immune and Systemic Modulation Because VDRs are present throughout the immune system, active Vitamin D3 also binds to T-cells and macrophages, helping to modulate immune responses, reduce chronic inflammation, and support overall cellular health.
Vitamin D3 FAQs
Got something on your mind?
There’s a good chance you’ll find what you’re looking for right here
Ask A Question
BUILD YOUR STACK
Goes great with Vitamin D3
Explore Your Goals
*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.
VERIFIED
User Reviews
4.90