Sports Research Vitamin D3 4000 IU
with Coconut MCT Oil, 360-Count
Price as of 2026-08-02. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$7–$10
- Mid-range:$10–$22← You are here
- Premium:$22+
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
- •Nature's Bounty Vitamin B12 1000 mcg — 49% cheaper at $9 (Score A)
📊 Based on data analysis of 11 products in this category.
Mubboo Score: A-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other vitamins
Computed from live Amazon rating, review count, and price across 11 vitamins available to US consumers · last refreshed 2026-08-02.
How It Compares
This Product Sports Research Vitamin D3 4000 IU | Most Popular Goli Apple Cider Vinegar Gummies | Best Rated Nature's Bounty Vitamin B12 1000 mcg | Best Value Nature Made Vitamin D3 5000 IU Per Serving Gummies Extra | |
|---|---|---|---|---|
| Price | $17.95 | $24.80 | $9.12 | $9.98 |
| Rating | 4.8/5 | 4.4/5 | 4.7/5 | 4.7/5 |
| Reviews | 71,411 | 368,604 | 76,151 | 11,384 |
| Mubboo Score | A- | A- | A | A- |
What buyers say about vitamins
Themes from buyer reviews across this category — not review data for this specific model.
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
- 7 products in our database
- Average rating: 4.7/5 across all products
- Price range: $17.95 – $53.95
- Categories: Biotin Supplements, Collagen Supplements, Omega-3 Supplements, Vitamin D Supplements, vitamins
If not the Vitamin D3 4000 IU, consider these
Featured in Our Reviews
Bottom Line
Sports Research Vitamin D3 4000 IU earns Mubboo Score A-. Priced at $18 — a mid-range option, below the category average of $19. 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, $24.80). The Vitamin D3 4000 IU carries a Mubboo Score of A- vs A-.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-08-02) and may change.