Vitamin D3
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
extra virgin Olive Oil, Gelatin, Medium Chain Triglycerides, Glycerin, purified Water, Rosemary extract
Recommended Use
Read the entire label and follow the directions carefully prior to use. Directions: Take one (1) softgel daily with food, or as recommended by a healthcare practitioner. 1 daily
Warnings
Caution: Individuals consuming more than 2,000 IU/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Do not exceed 10,000 IU per day unless recommended by your doctor. Vitamin D supplementation is not recommended for individuals with high blood calcium levels. Warnings: Keep out of reach of children. Do not exceed recommended dose. Do
Frequently Asked Questions
What is Life Extension Vitamin D3's Formulate score?
Life Extension Vitamin D3 scores 94 out of 100 (grade A) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Life Extension Vitamin D3 worth it?
Life Extension Vitamin D3 scores 94/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Life Extension Vitamin D3?
Each serving contains Vitamin D3 (125 mcg). Serving size: 1 Softgel(s). 60 servings per container.
How do I take vitamin d3?
Read the entire label and follow the directions carefully prior to use. Directions: Take one (1) softgel daily with food, or as recommended by a healthcare practitioner. 1 daily
Who makes Vitamin D3?
Vitamin D3 is made by Life Extension. See Formulate's full grade and product lineup for Life Extension on its brand page.
Is Life Extension Vitamin D3 third-party tested?
Life Extension lists the following certifications and testing for this product: Non GMO LE Certified, Gluten-Free.
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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.