Sports Research ® Vitamin D3 4000 IU
with Coconut MCT Oil - Double Strength Vitamin D Supplement - Gluten Free · Non-GMO · Soy Free - 360 Count…
Price as of 2026-06-19. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Those who want a top-rated option — in the top 1% of vitamins by rating
- •Risk-averse buyers — 71,411+ reviews give a highly reliable picture
- •Sports Research loyalists — the brand spans 31 products in our database
- •Nature's Bounty Nature’s Bounty Vitamin C + Rose Hips — 58% cheaper at $7 (Score A+)
📊 Based on data analysis of 147 products in this category.
Mubboo Score: A
How It Compares
This Product Sports Research ® Vitamin D3 4000 IU | Most Popular Goli Apple Cider Vinegar Gummies | Best Rated Nature Made Vitamin D3 Dietary Supplement Softgels | Best Value Nature's Bounty Nature’s Bounty Vitamin C + Rose Hips | |
|---|---|---|---|---|
| Price | $17.95 | $28.80 | $16.55 | $7.49 |
| Rating | 4.8/5 | 4.4/5 | 4.8/5 | 4.8/5 |
| Reviews | 71,411 | 368,604 | 67,034 | 49,300 |
| Mubboo Score | A | A- | A | A+ |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Prioritize supplements with clean ingredient panels and a form you enjoy taking, like gummies or small softgels, to maintain consistency. For nootropic formulas, start with one capsule with food to gauge tolerance, and allow several weeks for full benefits.
- Great Taste / No Unpleasant Flavor
- Convenient and Easy to Take
- Noticeable Health Benefits
- Clean Ingredient Profile
- Trusted Brand Reliability
- Side Effects / Adverse Reactions
- Delayed or Insufficient Results
- Cost / Supply Concerns
Related Video Reviews
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- 📹 Top 5 Supplements for Longevity, Performance, and Overall Health — Quinn Stillson MD
- 📹 Doctor Reveals the ONLY 6 Supplements Worth Your Money! — Doctor Youn
About Sports Research
- 31 products in our database
- Average rating: 4.6/5 across all products
- Price range: $17.95 – $53.95
- Categories: Ashwagandha Supplements, Biotin Supplements, collagen, Collagen Supplements, Creatine Supplements, Fiber Supplements
Other vitamins
Bottom Line
Sports Research ® Vitamin D3 4000 IU earns Mubboo Score A. Priced at $18 — a mid-range option, below the category average of $27. Rated 4.8/5 from 71,411+ reviews. Strong buy if: those who want a top-rated option, risk-averse buyers.
Frequently Asked Questions
Is the Sports Research ® Vitamin D3 4000 IU worth buying in 2026?
It earns a Mubboo Score of A, with a 4.8/5 rating from 71,411 reviews — better than 100% of vitamins we track.
How much does the Sports Research ® Vitamin D3 4000 IU cost?
It is currently $17.95 — mid-tier pricing for vitamins.
How does the ® Vitamin D3 4000 IU compare to other vitamins?
The category's most-reviewed alternative is the Goli Apple Cider Vinegar Gummies (4.4/5, 368,604 reviews, $28.80). The ® Vitamin D3 4000 IU carries a Mubboo Score of A vs A-.
Sources & References
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