THORNE

THORNE - Vitamin D-5000 - Vitamin D3 Supplement - Support Healthy Bones Teeth Muscles Cardiovascular Immune Function -

388+ bought in the past month

$19.00

About this item

  • Vitamin D3 Benefits: Supports healthy teeth and bones by enhancing the absorption of calcium; supports immune function and cardiovascular health*
  • Optimal Absorption: Vitamin D3 (as cholecalciferol) is more potent and better absorbed than vitamin D2 (or ergocalciferol); research shows vitamin D3 is more effective at raising overall vitamin D levels*
  • Vitamin D for Performance: Optimizes muscle strength and cellular repair, especially in athletes who train indoors or lack adequate sun exposure to support the body's natural vitamin D production*
  • NSF Certified for Sport: Tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations
  • Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
$19.00

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Product details

BrandTHORNE
Item FormCapsule
Primary Supplement TypeVitamin-d
Diet TypeGluten Free
FlavorUnflavored

Technical specifications

is_discontinued_by_manufacturerNo
product_dimensions1.7 x 1.7 x 2.97 inches; 0.63 ounces
item_model_numberD138
date_first_availableJanuary 22, 2008
manufacturerThorne Research
best_sellers_rank#680 in Health & Household ( See Top 100 in Health & Household ) #9 in Vitamin D Supplements #76 in Diet & Sports Nutrition

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Customer reviews

4.88,899 ratings

Customers say

Customers find this vitamin D supplement to be of excellent quality with tiny, easy-to-swallow capsules, and appreciate its effectiveness, with one noting it works better than gel caps.

★★★★★

Reliable, Effective, and a Must-Have for Wellness

JoeNovember 6, 2024

If you're looking for a high-quality Vitamin D3 supplement, THORNE Vitamin D-5000 is a fantastic choice that delivers exactly what it promises: a potent dose of Vitamin D3 in an easy-to-take capsule. After incorporating this into my daily routine, I’ve noticed a real difference in my energy levels and overall well-being. Why Vitamin D Matters: Vitamin D3 is crucial for a strong immune system, healthy bones, and mood support, especially if you live in a place with limited sunlight. Many people don’t get enough naturally, especially in the colder months, so supplementing with Vitamin D3 can help fill that gap. THORNE’s D-5000 formula offers 5,000 IU per capsule, which is an ideal potency for most people needing a higher dose. Quality and Ingredients: THORNE is a brand known for its commitment to purity and quality, and they don’t disappoint here. This supplement is free from unnecessary fillers, gluten, dairy, and artificial colors, so it’s a great option for anyone with dietary sensitivities or those looking to avoid extras. I appreciate that THORNE follows rigorous testing protocols and is NSF Certified, so I can trust I’m getting a clean and potent product. Ease of Use: The capsules are small and easy to swallow, which is a bonus for anyone who struggles with larger pills. Plus, with a single daily capsule, it’s convenient and fits into my morning routine without any hassle. I usually take it with breakfast, and it doesn’t cause any stomach upset even without food. Results: After a few weeks of taking THORNE’s D-5000 consistently, I noticed a difference in my energy levels, especially in the afternoons when I usually hit a slump. My mood has also felt more balanced, which can be tough to achieve during the darker winter months. Regular blood tests confirmed that my Vitamin D levels have improved, and my doctor has given me the green light to continue with this supplement. Pros: High potency (5,000 IU) in a single daily capsule Pure formula with no unnecessary fillers or allergens Trusted brand with NSF certification Noticeable improvement in energy, mood, and overall wellness Cons: Higher potency may be too strong for those who don’t need a large dose (check with your doctor) Slightly more expensive than some other brands, but worth it for the quality Needs to be taken consistently for best results Pro Tip: For optimal absorption, take THORNE Vitamin D-5000 with a meal that includes healthy fats (like avocado, nuts, or olive oil). Since Vitamin D is fat-soluble, it’s absorbed best when paired with dietary fats. Bottom Line: THORNE Vitamin D-5000 is a supplement you can feel confident about taking every day. With a potent, clean formula from a trusted brand, it’s a reliable choice for anyone needing a boost in their Vitamin D levels. If you’re looking for an effective, high-quality supplement that delivers real results, this is one to keep in your daily routine. Highly recommended, especially for those in need of extra Vitamin D support! Read more

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★★★★★

Thorne Vitamin D 5000 IU – Excellent Quality and Effectiveness!

CharleneJanuary 23, 2025

I’ve been using Thorne Vitamin D 5000 for a few years now, and I couldn’t be more impressed with the quality of this supplement. Thorne is a brand I trust for high-quality, clean products, and this Vitamin D3 is no exception. It contains a potent 5000 IU of Vitamin D3, which has helped improve my energy levels and boost my immune system. What I really appreciate is that it’s made with pure, bioavailable ingredients – no fillers, gluten, or dairy. It’s easy on the stomach and I’ve noticed a significant improvement in my mood and overall well-being since incorporating it into my daily routine. Plus, Thorne is known for their rigorous testing and commitment to purity, which gives me peace of mind knowing I’m getting exactly what I need without any unnecessary additives. If you’re looking for a high-quality, effective Vitamin D supplement, I highly recommend Thorne Vitamin D 5000. It’s a great value for the quality and has made a noticeable difference for me! Read more

★★★★★

Gets the job done

KyleDecember 15, 2025

Good enough Read more

★★★★★

Great vitamin company

dreDecember 14, 2025

I’m very happy with this company and the quality of their supplements. After reading reviews I decided to give this product a try and noticed a difference right away. Will buy again. Read more

★★★★★

Easy to take and no after taste

Susi BakerNovember 3, 2025

I work in a basement all day with no windows so I started to use this at my doctors recommendation. I take it everyday with my multivitamin. It is so small and easy to take with no after taste. Read more

★★★★☆

Great vitamin D

MadisonFebruary 22, 2025

I work the night shift in a snowy area so I don’t see the sun often! I realized I wasn’t sleeping well, I was irritable and noticed more hair shedding than usual. My doctor advised taking this brand of Vit D. These capsules are very small so they’re easy to swallow which I really appreciate. They come with a 2 month supply which is a good value for the money. I made the mistake of taking my first on an empty stomach which gave me a stomach ache/nausea feeling for about an hour afterwards. The next day I ate breakfast and let my stomachs settle first before taking which seemed to help a lot! Still some bouts of nausea, it’s really hit or miss. After a few weeks of taking these my hair shedding is back to normal. I am sleeping much better and not nearly as irritable as before! Just be cautious of taking without eating something first but they do work! Read more

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★★★★★

It works!

Paul F. DoucetteDecember 31, 2025

Great product. Read more

★★★★★

It works for this perimenopause woman

hotspicysoupJanuary 1, 2026

I got this because i have abnormal vit D results on my well check up. I think it works because i feel more energized than before at work. I usually feel crashed right around 2-3 pm and have no energy to do anything after i get home but since I’ve been taking this I feel great even after 9hr work day and in my perimenopause phase. I don’t work out or do any physical activities but decided to try this supplement after reading the reviews. I will do an update after my next physical report. Read more

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