Vitamin D-1,000
Vitamin D-1,000 scores 97/100 (A grade). Strengths: All ingredients have Grade A evidence.
Score Breakdown
Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Vitamin D3 | 25 mcg |
Certifications & Testing
Other Ingredients
Hypromellose (derived from cellulose) capsule, Leucine, Microcrystalline Cellulose, Silicon Dioxide, Vitamin E (d-Alpha-Tocopherol)
Recommended Use
Take 1 capsule one to three times daily or as recommended by your health-care practitioner.
Warnings
ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS There are no known adverse interactions or contraindications at publication date.
Frequently Asked Questions
What is Thorne Vitamin D-1,000's Formulate score?
Thorne Vitamin D-1,000 scores 97 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.
What's in Thorne Vitamin D-1,000?
Each serving contains Vitamin D3 (25 mcg). Serving size: 1 Capsules. 180 servings per container.
How do I take vitamin d-1,000?
Take 1 capsule one to three times daily or as recommended by your health-care practitioner.
Is Thorne Vitamin D-1,000 third-party tested?
Thorne lists the following certifications and testing for this product: NSF Certified for Sport, Gluten Free, Dairy Free, Soy Free, Thorne Verified, Natural Flavors, Natural Colors, GMP Certified.
Related Supplements
Track vitamin d-1,000 in your stack
The Formulate desktop app lets you build a personalized supplement stack, flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.