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THORNE

THORNE Vitamin D-5000 Vitamin D3 Capsules

  • Item Form: Capsule
  • Dosage Form: Capsule
  • Primary Supplement Type: Vitamin D
  • Diet Type: Gluten Free

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A 5,000 IU vitamin D3 capsule with NSF Certified for Sport testing, the clearest reason to choose this over a cheaper vitamin D3 is competing under anti-doping rules or wanting that level of batch testing.

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ASIN: B0797HQFGTModel: Vitamin D-5,000Category: Vitamin D Supplements

Overview

Thorne Vitamin D-5,000 is a 60-capsule vitamin D3 supplement dosed at 5,000 IU per capsule and NSF Certified for Sport, a distinction that matters for athletes subject to drug testing.

The NSF Certified for Sport label means each batch is tested for banned substances and checked against its label claims, setting it apart from most vitamin D3 products that carry no such screening. At 60 capsules, the bottle runs roughly two months at one capsule daily.

  • 5,000 IU vitamin D3 per capsule
  • NSF Certified for Sport tested
  • Gluten, dairy, soy and shellfish free
  • 60 capsules, about a two-month supply

Who it's for

Aimed at athletes and anyone under sport drug-testing rules who still wants a high-dose vitamin D3, plus buyers who value third-party certification generally. Less relevant to someone with no need for sport certification who just wants the lowest cost 5,000 IU option.

Pros and cons

Pros
  • NSF Certified for Sport batch testing
  • 5,000 IU vitamin D3 per capsule
  • Gluten free, dairy free, soy free and shellfish free
  • Roughly a two-month supply at 60 capsules
Cons
  • Two-month supply is shorter than larger multi-hundred count bottles from other brands
  • Sport certification typically raises the price versus uncertified options
  • Capsule only, no liquid or gummy alternative in this listing

Performance notes

The 5,000 IU dose works the same as other high-potency vitamin D3 products, but the NSF Certified for Sport program adds batch testing for banned substances and label-accuracy verification that most supplements skip. That testing is the practical difference buyers are paying for here, not a different form of vitamin D.

Specifications

BrandTHORNE
ModelVitamin D-5,000
Dimensions & fit
Item Weight0.04 poundslower than 82% of 52 vitamin d supplements
Item Dimensions1.7 × 1.7 × 3 inches
Capacity & performance
Age Range DescriptionAdult
Included components
Unit Count60
Other details
Item FormCapsule
Dosage FormCapsule
Primary Supplement TypeVitamin D
Diet TypeGluten Free
FlavorUnflavored
Product BenefitsSupports Bone & Joint Heart & Vessels Immune Sports Performance*
Container TypeBottle
Number Of Items1
Specific Uses For ProductBone Health & Immune Support
Allergen InformationDairy Free, Fish Free, Shellfish Free, Soy Free

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Frequently asked questions

What does NSF Certified for Sport mean on Thorne Vitamin D-5,000?

It means the product is third-party tested for banned substances and checked against its label claims, a standard commonly used by athletes subject to drug testing.

How many capsules are in the Thorne D138 bottle?

The bottle contains 60 capsules, roughly a two-month supply at one per day.

Is Thorne Vitamin D-5,000 free of common allergens?

It is listed as gluten free, dairy free, soy free and shellfish free.