No, the vitamin D does come from lanolin oils which is from lamb's wool (aka, sheep).

THORNE - Vitamin D3 Supplement - Supports Healthy Bones, Teeth, Muscles, Cardiovascular & Immune Function* - Gluten, Dairy & Soy-Free - 1,000 IU - 90 Capsules

THORNE - Vitamin D3 Supplement - Supports Healthy Bones, Teeth, Muscles, Cardiovascular & Immune Function* - Gluten, Dairy & Soy-Free - 1,000 IU - 90 Capsules

Q: Has this product been tested by any 3rd party labs for contaminants? I don't see it on labdoor or consumerlabs.com

In case it’s helpful, here is a bit of information I can offer. My naturopath cited several studies/research showing that Thorne products contained exactly what the product label stated. Many other brands that were included in the study contained far less of the nutrients listed. I wish I’d written down the research and testing sources. As I recall they were university-supported nutrition research studies. He has been very clear about his faith in Thorne and Vital Nutrients brands, stating one can even take lower dosages to save cost, because the product will contain exactly what is stated on the bottle. In other words, a product that is 200mg within a Thorne product may be comparable to another brand that claims to contain 300 or 500mg. He also feels strongly that Thorne products offer higher bioavailability. I’m not a scientist - but in case it helps, I wanted to offer his opinion. He’s a naturopath with decades of experience and patients remain with him for life. He hasn’t had room for new patients for ten years. He’s just that good! So, I trust his evidence and opinion. But again- I’m not a scientist :-)

Q: Is this product vegetarian? Thorne Vitamin D 5,000?

Thorne Research - Vitamin D-5000 - Vitamin D3 Supplement is considered vegetarian. However, it is not vegan since the Vitamin D is sourced from lanolin oils which is from lamb's wool.

Q: Do thorne products contain any gelatin or beef derivatives?

This product is derived from lanolin (from sheep's wool), so it is not labeled as vegan. However, it does not contain any gelatin or beef derivatives.

Product ID: 57522901

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Details

Brand
THORNE
Item Form
Capsule
Primary Supplement Type
Vitamin D3
Diet Type
Gluten Free
Flavor
Unflavored

💊1,000 IU potent D3 dose

🦴Supports bone & teeth health

🛡️Boosts immune & heart function

Frequently Bought Together

THORNE Vitamin D3 Supplement - Supports Healthy Bones, Teeth, Muscles, Cardiovascular & Immune Function* - Gluten, Dairy & Soy-Free - 1,000 IU - 90 Capsules

Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism* - with Magnesium Glycinate - 90 Capsules

THORNE Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health, Blood Cell Function, Healthy Sleep & Methylation* - Gluten, Dairy & Soy-Free - 60 Capsules

Description

🦸‍♂️ Elevate your wellness game with Thorne Vitamin D3—because champions don’t settle for less.

CLEAN PURE ALWAYS - Gluten, dairy, and soy-free with rigorous third-party certification—no compromises on quality or safety.
TRUSTED BY CHAMPIONS - Endorsed by 100+ professional sports teams and U.S. National Teams, join the ranks of high performers who rely on Thorne.
SUPERIOR ABSORPTION FORMULA - Cholecalciferol (D3) ensures faster, more effective uptake than standard D2 supplements—because your body deserves the best.
CLINICALLY POTENT 1 000 IU DOSE - Maximize your daily vitamin D with a scientifically backed strength that fuels bone density and muscle performance.
IMMUNE CARDIOVASCULAR POWERHOUSE - Fortify your defenses and heart health with a supplement trusted by elite athletes and healthcare pros alike.

Thorne Vitamin D3 delivers a potent 1,000 IU dose of cholecalciferol, scientifically proven to enhance calcium absorption for stronger bones and teeth, while supporting muscle strength, immune defense, and cardiovascular health. Free from gluten, dairy, and soy, this third-party certified supplement is trusted by professional athletes and healthcare practitioners for purity and performance.

Have a Question? See What Others Asked

Is this vegan?

Has this product been tested by any 3rd party labs for contaminants? I don't see it on labdoor or consumerlabs.com

Is this product vegetarian? Thorne Vitamin D 5,000?

Do thorne products contain any gelatin or beef derivatives?

Reviews

S**R

Excellent Vitamins D

I’ve been using Thorne Vitamin D for a few months now, and I can truly feel the difference in my energy, mood, and overall health. The quality is top-notch, and I trust Thorne for their clean, science-backed ingredients. It’s easy to take, gentle on the stomach, and I love that it’s tested for purity. Highly recommend this to anyone looking to support their immune system and maintain healthy vitamin D levels—especially if you don’t get much sun!

27.07.2025

A**R

Good brand

Good quality

20.09.2025

T**R

Great vitamin D option

Good product. Easy to take.

31.07.2025

M**Z

Easy pull to swallow

Highly recommend for anyone looking for a simple, effective daily vitamin!Energy: Provides a noticeable boost—feel more energized throughout the day.Gentle on the stomach: No upset stomach or digestive issues.Easy to take: Small, easy-to-swallow capsules with virtually no taste.Effective dosage: 1000 IU, exactly what my doctor recommended for daily use.Absorption: Seems well absorbed, I feel the benefits consistently.

20.09.2025

A**S

Good product

Good product.

10.08.2025

D**Y

Good brand

For the most part we don't have issues. Sometimes there is nothing in the capsule which is super annoying. Most of our supplements are Thorne.

21.01.2025

D**K

Great!

I like these capsules because they are small and easy to swallow!

2.08.2025

M**S

The most reliable vitamin brand we use as a family!

We've tried so many brands, honestly, for different supplements. I've found that simply going to the grocery store and grabbing the first one you see is not the answer. Absorbancy is so key! We now use Thorne supplements for four different vitamins, and are very pleased with the effectiveness, and the consistency in packaging and capsule quality. You get what you pay for when it comes to supplements, and these are such a great value.

26.01.2025

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