Product comparison
Irwin Naturals High Potency Mega D3 & K2 + Turmeric Extract Liquid vs NOW Foods Vitamin D3 Softgels
Total
Choose if…
- Either option is acceptable - use the table above for the lane you care about.
NOW Foods Vitamin D3 Softgels leads overall
Thin race: only 3 points between totals
30 servings
Total
Choose if…
- ✓You prioritize disclosure, certs, and readable label story.
- ✓You want the higher combined total with the same weights as single-SKU pages.
Purchasing
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Check prices
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Choose Irwin Naturals High Potency Mega D3 & K2 + Turmeric Extract Liquid if…
- you still want to verify the latest label, price, and stock on the retailer.
Choose NOW Foods Vitamin D3 Softgels if…
- you want the higher overall decision score in this head-to-head.
Solid pick
Irwin Naturals High Potency Mega D3 & K2 + Turmeric Extract LiquidPrice on file is stale or unverified—confirm 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.
Split decision - tradeoffs
Close call- NOW Foods Vitamin D3 Softgels leads on transparency (Δ ≈ 20 pts).
Decision table
- ValueTie band
- FormulaTie band
- Label clarityTie band
- AdditivesTie band
- TransparencyNOW Foods Vitamin D3 Softgels +20
| Metric | Irwin Naturals High Potency Mega D3 & K2 + Turmeric Extract Liquid | NOW Foods Vitamin D3 Softgels |
|---|---|---|
| Total score | 70 | 73 |
| Ingredient fit | 86 | 86 |
| Dosage plausibility | 67 | 67 |
| Formula quality | 60 | 60 |
| Additives & label (combined lane) | 72 | 72 |
| Excipient / additive burden | 72 | 72 |
| Label clarity | 72 | 72 |
| Transparency | 54 | 74 |
| Value | 60 | 60 |
| Safety | 86 | 86 |
| Form | liquid | 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 +3 points on our total in this matchup.
Data confidence (catalog)
Category-adjusted decision
Rubric lift if you switch
- +20 on transparency
Where Irwin Naturals High Potency Mega D3 & K2 + Turmeric Extract Liquid leads
- No decisive lane wins versus the other SKU in our tie bands.
Where NOW Foods Vitamin D3 Softgels leads
- NOW Foods Vitamin D3 Softgels leads on transparency (Δ ≈ 20 pts).
Compare next
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- NOW Foods Vitamin D3 vs Irwin Naturals High Potency Mega D3 & K2 + Turmeric Extract Liquid
- NOW Foods Vitamin D3 vs NOW Foods Vitamin D3 Softgels
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.