Essential daily vitamin D3 for bone, muscle, and immune support‡
Thorne’s Vitamin D-1,000 provides 1,000 IU of high-quality vitamin D3 (cholecalciferol) to support strong bones, healthy muscle function, and overall immune and cardiovascular wellness. Formulated without lactose or preservatives, this easily absorbed vitamin D3 helps maintain optimal levels for daily wellness in individuals with limited sun exposure.‡
Why You’ll Love It
Supports healthy teeth, bones, and muscle strength‡
Promotes cardiovascular and immune system function‡
Enhances calcium absorption and retention‡
Formulated with vitamin D3 for superior absorption compared to D2‡
Contains no lactose or preservatives
Third-party tested for purity and label accuracy
What Makes It Unique
Delivers a gentle daily dose of vitamin D3 (1,000 IU) for maintenance support
Ideal for individuals with low sun exposure or higher nutrient needs
Verified through independent testing for contaminants and potency accuracy
Designed to support everyday wellness without artificial additives
Vitamin D3 (Cholecalciferol)
1,000 IU per capsule
Take 1 capsule daily or as recommended by your healthcare professional.
To guarantee purity and product integrity, every item is shipped directly from the manufacturer’s own facility, never from bulk distributors or third-party storage. Shipping is always free, and your order never changes hands unnecessarily.
Because each brand fulfills its own orders, delivery times may vary. We partner with best-in-class wellness brands, each with their own shipping schedules, and you’ll receive tracking as soon as your order is on its way.
Take the Formulai Quiz to activate personalized, science-backed insights on every product — helping you shop smarter and with confidence.
Shop Direct from Trusted Brands
Shop products that ship straight from our vetted brands. No third-party middleman involved.
Rewards That Reinforce Good Habits
Earn points every time you shop and turn consistency into savings.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
Choosing a selection results in a full page refresh.
