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Thorne

Vitamin D-5,000

Vitamin D, in its D3 form, is more potent and better absorbed form than its D2 form. Thorne’s vitamin D supplements contain no lactose and no preservatives. NSF Certified for Sport®

NSF Certified for Sport
$16.00$20.00save $4.00
Free shipping
On orders over $150
Practitioner grade
Direct from the manufacturer
Member pricing
Up to 20% under retail

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

Product insights

  • Thorne Vitamin D-1,000 provides 1,000 IU of vitamin D3 (cholecalciferol), the more bioactive form of vitamin D, ensuring efficient absorption and utilization in the body.
  • Vitamin D3 plays a crucial role in calcium absorption in the gut and helps maintain adequate serum calcium concentrations, which are essential for bone health and muscle function.
  • Vitamin D3 supports immune function by modulating the activity of immune cells and promoting a balanced immune response.
  • The lactose-free and preservative-free formulation of Thorne's Vitamin D-1,000 caters to individuals with sensitivities and aligns with a clean supplement approach.

Suggested use

From the manufacturer
Take 1 capsule one to three times daily or as recommended by a health-care practitioner.

What it supports

6 benefits
  • Supports healthy bones and teeth.
  • Promotes muscle strength and function.
  • Enhances calcium absorption.
  • Supports cardiovascular health.
  • Promotes healthy immune function.
  • Supports healthy brain function.

What's in it

Per serving
Ingredient
Amount
% Daily Value
Vitamin D (as Vitamin D3) (5,000 IU)
125 mcg
**
Other ingredients: Microcrystalline Cellulose, Hypromellose (derived from cellulose) capsule, Leucine, Silicon Dioxide, Vitamin E (d-Alpha Tocopheryl).
** Daily Value not established.

The research

3 cited studies
1.
Vitamin D and Bone Health

Research indicates vitamin D is essential for calcium absorption and bone mineralization, contributing to the prevention of osteoporosis and fractures.

2.
Vitamin D and Immune Function

Studies suggest vitamin D plays a significant role in modulating immune responses and may help reduce the risk of infections.

3.
Vitamin D and Muscle Function

Research demonstrates vitamin D's involvement in muscle protein synthesis and muscle strength, particularly in older adults.