Product comparison
NOW Foods Vitamin D3 Softgels vs Sports Research Vitamin D3
30 servings
Total
Choose if…
- ✓You prioritize disclosure, certs, and readable label story.
- ✓You want the higher conservative safety lane score.
NOW Foods Vitamin D3 Softgels leads overall
Thin race: only 4 points between totals
5000 iu · 30 servings · Vegan
Total
Choose if…
- ✓You care about salt/form heuristics encoded in our rubric.
Purchasing
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Choose NOW Foods Vitamin D3 Softgels if…
- you want the higher overall decision score in this head-to-head.
Choose Sports Research Vitamin D3 if…
- you still want to verify the latest label, price, and stock on the retailer.
Price and availability may change. Check the latest price on Amazon.
Price and availability may change. Check the latest price on Amazon.
Not sure this is the best choice?
Split decision - tradeoffs
Close call- NOW Foods Vitamin D3 Softgels leads on transparency (Δ ≈ 20 pts).
- NOW Foods Vitamin D3 Softgels leads on safety (Δ ≈ 8 pts).
- NOW Foods Vitamin D3 Softgels leads on ingredient fit (Δ ≈ 5 pts).
Decision table
- ValueTie band
- FormulaSports Research Vitamin D3 +12
- Label clarityTie band
- AdditivesTie band
- TransparencyNOW Foods Vitamin D3 Softgels +20
| Metric | NOW Foods Vitamin D3 Softgels | Sports Research Vitamin D3 |
|---|---|---|
| Total score | 73 | 69 |
| Ingredient fit | 86 | 81 |
| Dosage plausibility | 67 | 67 |
| Formula quality | 60 | 72 |
| Additives & label (combined lane) | 72 | 72 |
| Excipient / additive burden | 72 | 72 |
| Label clarity | 72 | 72 |
| Transparency | 74 | 54 |
| Value | 60 | 60 |
| Safety | 86 | 78 |
| Form | other | other |
| Serving size | 1 serving | 1 serving |
| Servings / container | 30 | 30 |
| Certifications | - | - |
| Latest price on file | - | - |
Head-to-head verdict
Razor-thin margin - NOW Foods Vitamin D3 Softgels edges it; both are defensible.
Following the winner captures about +4 points on our total in this matchup.
Data confidence (catalog)
Category-adjusted decision
Rubric lift if you switch
- +20 on transparency
- +8 on safety
- +5 on ingredient fit
Where NOW Foods Vitamin D3 Softgels leads
- NOW Foods Vitamin D3 Softgels leads on transparency (Δ ≈ 20 pts).
- NOW Foods Vitamin D3 Softgels leads on safety (Δ ≈ 8 pts).
- NOW Foods Vitamin D3 Softgels leads on ingredient fit (Δ ≈ 5 pts).
Where Sports Research Vitamin D3 leads
- Sports Research Vitamin D3 leads on formula (Δ ≈ 12 pts).
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Best in this category
See how every tracked Vitamin D SKU ranks - overall, value, transparency, and certifications.
Open best Vitamin D rankingsIngredient intelligence
How this compare works
We diff the same product lanes used on SKU pages - including additive burden and label clarity - with tie bands so tiny gaps are not oversold. Open each product review for certifications, price history, and full notes.
Informational only - not medical advice, diagnosis, or treatment.