Vitamin D in liquid form for easy dosing, now with a metered dispenser.

Since 1984, Thorne has set the standard for the exceptional formulation and quality manufacturing of nutritional supplements. Thorne delivers pre...

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Vitamin D in liquid form for easy dosing, now with a metered dispenser.

Since 1984, Thorne has set the standard for the exceptional formulation and quality manufacturing of nutritional supplements. Thorne delivers premium, science-based products, a health diagnostics technology platform, and the latest in medical education. With more than 350 products, Thorne is the most dispensed brand by 30-40 year old health-care practitioners. Thorne is dedicated to improving the health of our community as well as increasing the knowledge of nutritional health and wellness. Since 2012, Thorne has partnered with educational institutes and local charities to donate more than $1M in products and profits.

Thorne products do not contain any unnecessary binders, coatings, disintegrants, fillers, or lubricants (including magnesium stearate) that could impair absorption. Thorne adheres to the FDA's current Good Manufacturing Practices (cGMPs) and has the highest number of NSF Certified for Sport products which tests for more than 200 banned substances for elite athletic competitions.

  • Vitamin D: Good health starts with Vitamin D, which supports healthy bones and muscles, cardiovascular health, and immune function*
  • Absorbable: Formulated with vitamin D3, a more potent and better absorbed form than vitamin D2
  • Easy to take: The liquid form makes supplementation easy to customize for adults and children and can be mixed with food or beverages for ease of use
  • Self-Dispensing Top: To provide accurate and individualized dosing, the bottle includes a self-dispensing top that meters individual drops. Because safety is a Thorne priority, you might experience a delay between drops
  • Trusted: Thorne is trusted by 45,000 health-care professionals and 100+ pro teams and U.S. Olympic teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content

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