THORNE - Vitamin D3 Supplement - Supports Healthy Bones, Teeth, Muscles, Cardiovascular & Immune Function* - Gluten, Dairy & Soy-Free - 1,000 IU - 90 Servings Review
Our verdict
A clean-label, moderate-dose 1,000 IU vitamin D3 capsule from THORNE, a brand known for allergen-free formulations, though this size costs more per serving than many mass-market options.
Check price on AmazonBest for
Shoppers who prioritize a gluten, dairy, and soy-free label from a well-regarded supplement brand, at a standard 1,000 IU dose.
Skip if
You want the lowest cost per capsule, since THORNE's pricing runs higher than many big-box D3 brands at this potency.
- Form Capsule
- Count 90 Count
- Flavor Unflavored
- Type Vitamin D3
- Diet Gluten Free
- Benefits Supports Bone & Joint Heart & Vessels Immune*
- Priced 17% above the category median ($14.49 across 136 tracked models)
Pros
- Gluten, dairy, soy, fish, and shellfish-free label
- Strong 4.8 rating from about 3,600 reviews
- High monthly buyer volume of roughly 9,000
- Reputable brand known for third-party quality standards
Cons
- Higher price per capsule than many mass-market D3 brands
- 90-count bottle is a shorter supply than larger bottles in this category
- Unflavored capsule only
Our scorecard
-
Owner rating4.8/5
4.8 average across 3,600 owner ratings
-
Popularity2.7/5
3,600 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
['THORNE positions this 1,000 IU capsule as a clean, allergen-conscious formula, free of gluten, dairy, and soy. It comes in a 90-count bottle priced at $17.00, a premium price point relative to the potency compared to many other D3 supplements in this category.', 'The maker markets it for supporting healthy bones, teeth, and muscles, plus cardiovascular and immune function. These are label claims and not medical guarantees; this page is informational only, not medical advice.', 'It holds a strong 4.8 rating from about 3,600 reviews, and notably around 9,000 buyers a month, a high volume that suggests strong brand loyalty despite the higher price. Talk to a healthcare professional before starting any new supplement.']
Specifications
| Form | Capsule |
|---|---|
| Count | 90 Count |
| Flavor | Unflavored |
| Type | Vitamin D3 |
| Diet | Gluten Free |
| Benefits | Supports Bone & Joint Heart & Vessels Immune* |
| Allergens | Dairy Free, Fish Free, Shellfish Free, Soy Free |
Performance notes
This is a capsule-form vitamin D3 supplement at 1,000 IU per serving, sold in a 90-count bottle. It is unflavored and labeled gluten-free, dairy-free, fish-free, shellfish-free, and soy-free, with stated bone, cardiovascular, and immune support benefits.
What buyers say
A 4.8 average from about 3,600 reviews, paired with roughly 9,000 monthly buyers, indicates strong satisfaction and repeat demand despite the premium price point.
More from THORNE
Similar home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters to consider
Frequently asked questions
Why does THORNE cost more than other D3 supplements at 1,000 IU?
THORNE markets itself on clean, allergen-free formulations and third-party quality testing, which typically comes with a higher price than mass-market brands. Whether that premium is worth it depends on your priorities.
Is this capsule free of common allergens?
The label states it is gluten, dairy, soy, fish, and shellfish-free, making it a solid option for shoppers managing multiple food sensitivities. Always check the full label for your specific needs.
How long does a 90-count bottle last?
At one capsule per day, a 90-count bottle lasts about three months, a shorter supply than some of the larger 240 to 360-count bottles found elsewhere in this category.