Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count
by Solgar
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Solgar Vitamin D3 1000 IU is a well-regarded maintenance-dose supplement in a 250-count softgel format, praised by reviewers for its small capsule size, easy swallowability, and clean formulation. Best for Individuals maintaining adequate vitamin D levels rather than correcting deficiency and Those in low-sunlight climates or who work indoors year-round.
According to the AIScored 0–100 scoring system, Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count by Solgar scores 83.0/100, ranking #2 out of 35 products in Vitamin D (2026). Strongest category: Side Effects (92.0/100). Weakest: Certifications (68.0/100).
Is Solgar Vitamin D3 1000 IU (25mcg... worth buying?
“Solgar Vitamin D3 1000 IU scores 83/100 and offers excellent value in a 250-softgel bottle that delivers roughly eight months of supply. The capsules are genuinely small and easy to swallow, with a straightforward formula containing only safflower oil and gelatin.”
What Do Reviewers Say About Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count?
Sample excerpts from currently available source material used in this product analysis.
"Good products. Excellent turn around from ordering to receipt. I regard Solgar as a reliable supplement supplier. The quality of the supplements is good; they are genuine. The price reflects the quality in my opinion; we get what we pay for..."
"Online order of the Vitamin D3 soft gel. Very pleased to receive my order very quickly and collected it at the shop at Eastleigh branch. Lesley, the lady at the Customer service is helpful in the process of the online order of Karenwhat I n..."
"Really great brand.. Solgar is a really good brand and I like ordering from a reputable store like Holland and Barrett."
"Great Features. [This review was collected as part of a promotion.] I BOUGHT THIS PRODUCTS MONTHS AGO AND LOVED IT!!!!!"
"good servive. Didn't stock it in local store. Ordered on line for collection. Text message at 9.30 following morning that it was available for collection. Great service."
How does Solgar Vitamin D3 1000 IU (25mcg) Sof... score?
Detailed score breakdown and key findings from our analysis of 56 reviews across 3 sources.
Pros
- +Small, easy-to-swallow softgels with no taste or odour — universally noted across reviews
- +Exceptionally clean formulation: only safflower oil and gelatin shell, no magnesium stearate or silicon dioxide
- +250-count bottle offers excellent long-term value — up to ~8 months supply at 1/day
- +Reviewers consistently report improved energy, mood, and immunity — consistent with D3 research evidence
- +Trusted brand with decades of quality manufacturing; cholecalciferol (D3) is the most bioavailable form
Cons
- -1000 IU is a maintenance dose only — insufficient to correct deficiency; those with low D levels typically need 2000–5000 IU under guidance
- -Not third-party tested (e.g. NSF, Informed Sport) — limits verification for athletes or those requiring assay confirmation
- -Contains bovine gelatin — not suitable for vegans, vegetarians, or some religious dietary requirements (halal concerns raised by reviewers)
- -Safflower oil carrier is functional but not as optimal as olive oil or MCT oil for fat-soluble vitamin absorption
Best For
Watch Out
- !Not suitable for vegans or those requiring halal-certified gelatin — bovine gelatin is used in the softgel shell
- !1000 IU may be insufficient if blood tests show frank deficiency — consult a GP for dosing above 2000 IU/day
- !No third-party certification (NSF, Informed Sport) — unsuitable for drug-tested athletes requiring verified purity
- !Some iHerb reviews appear to be templated or copy-paste submissions and should be weighted accordingly
What is Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count?
Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count is a vitamin d product by Solgar in softgels form, scoring 83.0/100 on AIScored.
- • Solgar Vitamin D3 delivers 1000 IU (25 mcg) per softgel in a convenient 250-count bottle.
- • The softgels are small and easy to swallow with a neutral taste, making them straightforward to take daily.
- • Reviewers use this supplement to support immunity, bone health, and muscle function.
- • A simple, no-fuss option for those looking for a large-count vitamin D3 supply at a reliable serving strength.
What's Inside Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count?
Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count contains 1 active ingredient: Vitamin D3 (Cholecalciferol).
Active Ingredients
- Vitamin D3 (Cholecalciferol)
- 1000 IU (25mcg)
Other Ingredients
Safflower Oil (bulking agent), Softgel Shell (Bovine Gelatin, Vegetable Glycerin, Water)
Clean Label Analysis
Extremely minimal formulation — just safflower oil as a carrier and the gelatin softgel shell. No magnesium stearate, silicon dioxide, or other common excipients. One of the cleanest vitamin D products available.
Is Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count Independently Tested?
No Third-Party Testing Visible
We could not find evidence of independent third-party testing for this product. This doesn't mean it's unsafe, but independent verification provides additional assurance.
Certifications
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
Price History (90 days)
Quick Facts
- Form
- Softgels
- Dose
- 1000 IU (25mcg) Vitamin D3
- Serving
- 1 softgel
- Servings
- 250
- Vegan
- No
- Made in
- USA
Frequently Asked Questions
Is Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count worth buying in 2026? ▼
What is the best price for Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count in the UK? ▼
What are the pros and cons of Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count? ▼
Is Solgar Vitamin D3 1000 IU (25mcg) Softgels - 250 Count third-party tested? ▼
What the Data Says About Vitamin D
Why do 97% of UK vitamin D supplements lack third-party certification?
Only 1 out of 35 vitamin D products we scored has independent certification. That's 97% without any third-party verification of purity, potency, or label accuracy.
This is worse than most supplement categories. The reason is simple: UK law doesn't require it, and testing costs money. Most vitamin D brands sell on price alone, especially in the D3-only space where the raw ingredient is cheap. Certification adds cost that budget brands won't absorb.
What does this mean for you? Without third-party testing, you're trusting the manufacturer's label claims. A 2021 study in Nutrients found that vitamin D supplements varied from 52% to 135% of their labelled dose. That's a problem if you're relying on a specific daily intake.
Among the 35 products we scored, the top performers are all from brands with strong manufacturing track records: NOW Foods D3 5000 IU and Thorne Vitamin D + K2 both score 87/100 overall. Thorne holds the highest certification score in the category at 85/100. If independent testing matters to you, that's the product to look at.
Do you need vitamin K2 with high-dose vitamin D?
Probably yes at high doses, and our data backs the pairing. Thorne Vitamin D + K2 Liquid is the only D3+K2 combo product in our 35-product database that scores 87/100 overall, matching the top-ranked D3-only options from NOW Foods. It also holds the highest certification score in the category at 85/100.
Here's the science behind it. Vitamin D increases calcium absorption from food. Vitamin K2 activates proteins that direct that calcium into bones and teeth, keeping it out of your arteries and soft tissue. At standard doses (1000-2000 IU daily), most people get enough K2 from diet to handle the extra calcium. At 4000-5000 IU daily, the calcium load increases enough that K2 becomes a more serious consideration.
The Endocrine Society doesn't yet include K2 in its vitamin D guidelines. But a growing body of research, including a 2019 meta-analysis in International Journal of Molecular Sciences, shows the D3+K2 combination improves bone mineral density more than D3 alone.
If you eat K2-rich foods regularly (natto, hard cheese, egg yolks, chicken liver), a standalone D3 product like NOW Foods D3 5000 IU 360 Softgels (87/100) is a solid choice. If your diet is low in K2, or you're taking 4000+ IU of D3 daily, Thorne D + K2 covers both bases in one product.
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
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