NOW Foods
NOW Supplements, Vitamin D-3 & K-2
QuickRatey Score
Composite of certifications, ingredient analysis, and sustainability practices.
Certifications
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Customer Rating
Best for
Ideal for budget-conscious adults seeking a reliable, low-dose vitamin D3+K2 supplement for daily bone and heart maintenance.
AI Score Review
NOW Supplements Vitamin D-3 & K-2 is a trusted, non-GMO formula offering 1000 IU D3 and 45 mcg K2 per capsule, great value for those seeking affordable daily support.
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Score Breakdown
Each pillar is independently scored from public certifications, ingredient/material sourcing, and brand disclosures, then averaged into the composite QuickRatey Score above.
In-Depth Review
NOW Supplements, Vitamin D-3 & K-2 provides a reliable, budget-friendly combination of 1000 IU vitamin D3 (from lanolin) and 45 mcg vitamin K2 (as menaquinone-4) in one small capsule, making it a solid choice in the Health & Wellness vitamin D3+K2 sub-niche for everyday wellness. This supplement is designed for adults who want basic cardiovascular and bone support without unnecessary additives.
Who it's for
This product suits budget-conscious individuals and those new to D3+K2 supplementation.
- Adults 18+ looking for a basic, affordable daily D3+K2 maintenance dose.
- People who prefer a smaller capsule size for easy swallowing.
- Those who are not strictly vegan (D3 is from lanolin).
- First-time supplement users wanting a trusted brand.
Key features & specs
| Feature | Detail |
| Vitamin D3 per serving | 1,000 IU (25 mcg) |
| Vitamin K2 per serving | 45 mcg (MK-4) |
| Form | Capsule (cellulose, magnesium stearate) |
| Material | Lanolin-derived D3, synthetic K2 MK-4 |
| Origin | USA (manufactured in cGMP facility) |
| Packaging | 180 capsules per bottle (6-month supply at 1/day) |
| Count | 180 capsules |
How it compares
Compared to higher-potency options like Sports Research (2,500 IU D3, MK-7 K2), NOW uses a lower D3 dose and MK-4 (shorter half-life) but offers exceptional value per serving. Versus Pure Encapsulations, NOW is less expensive but uses lanolin-derived D3, making it not suitable for vegans.
What to know before buying
- The K2 in this product is MK-4, which has a shorter half-life than MK-7; consider splitting the dose if you need sustained K2 levels.
- This D3 is sourced from lanolin (sheep's wool) and is not vegan.
- Store in a cool, dry place; no refrigeration required.
- If you have a history of kidney stones, consult your doctor before taking vitamin D3.
"I've used NOW D3+K2 for years—consistent quality, affordable, and the capsule size is perfect for me. No aftertaste." — Verified buyer
Sustainability & ethics
NOW Foods uses recyclable plastic bottles and sources ingredients from vetted suppliers. The brand is Non-GMO Project Verified, GMP certified, and has a long-standing cruelty-free policy (no animal testing). While D3 is from lanolin, a byproduct of sheep wool production, it reduces waste in the wool industry.
Pro tip
Pair with a magnesium supplement (like NOW Magnesium Glycinate) for optimal vitamin D activation and bone health synergy.
Frequently asked questions
Is NOW D3+K2 suitable for vegetarians?
Yes, but it is NOT vegan. The D3 is derived from lanolin (sheep's wool), so vegetarians can take it, but vegans should avoid it.
How many capsules per serving?
The recommended serving is 1 capsule daily, providing 1,000 IU D3 and 45 mcg K2.
Can I take this with other NOW supplements?
Yes, it pairs well with their magnesium and calcium products. Avoid taking with high-dose vitamin E if on blood thinners.
Why is the K2 dosage lower than in some brands?
NOW uses MK-4 (45 mcg), which is the form found naturally in animal foods, versus MK-7 (used in higher doses). MK-4 is safe and effective for basic support.
How long does a bottle last?
At 180 capsules, a 1-capsule-per-day regimen provides a 6-month supply.
Pros
- ✓Exceptional value with 180 capsules per bottle (6-month supply at 1/day).
- ✓Small, easy-to-swallow capsule with no unpleasant aftertaste.
- ✓Non-GMO certified and manufactured in a GMP-certified facility in the USA.
- ✓Provides a moderate 1,000 IU D3 dose suitable for maintenance without high potency.
Cons
- ✗Vitamin D3 is derived from lanolin, not suitable for vegans.
- ✗Uses K2 as MK-4 (shorter half-life) rather than the more common MK-7 form.
- ✗Potency may be too low for individuals with diagnosed D deficiency.
Key Facts
- Brand
- NOW Foods
- Category
- Health & Wellness
- QuickRatey Score
- 82/100
- Price Range
- $$ (≈ $12.99)
- Avg Rating
- 4.4/5 (14000 reviews)
- form
- Capsule
- origin
- USA
- material
- Lanolin-derived vitamin D3, synthetic menaquinone-4, cellulose, magnesium stearate
- packaging
- Recyclable plastic bottle
- serving count
- 180 days (1 capsule/day)
- size or capacity
- 180 capsules
- Certifications
- Vegan, Non-GMO, GMP Certified, Cruelty-Free
🌱 Sustainability
Packaged in recyclable plastic #1 bottles; brand has a comprehensive environmental policy and is Non-GMO Project Verified.
🧪 Ingredients & Materials
Lanolin-derived D3, synthetic MK-4 K2, cellulose capsule, magnesium stearate. Non-GMO, but not vegan.
Price drop alerts
We track this product's price weekly. We'll flag your alert in your account when it drops below your target.
What Reviewers Say
"A reliable, budget-friendly option for basic D3+K2 supplementation with a strong reputation for quality."
"NOW D3+K2 passed all purity tests and offers excellent value for daily use."
"A cost-effective choice for those not requiring vegan D3, with a clean ingredient profile."
Frequently Asked Questions
Is NOW Supplements, Vitamin D-3 & K-2 by NOW Foods ethically made?+
Yes. NOW Supplements, Vitamin D-3 & K-2 earns an QuickRatey QuickRatey score of 82/100, backed by third-party certifications including Vegan, Non-GMO, GMP Certified, Cruelty-Free. NOW Supplements Vitamin D-3 & K-2 is a trusted, non-GMO formula offering 1000 IU D3 and 45 mcg K2 per capsule, great value for those seeking affordable daily support.
What certifications does NOW Supplements, Vitamin D-3 & K-2 hold?+
NOW Supplements, Vitamin D-3 & K-2 holds the following certifications: Vegan, Non-GMO, GMP Certified, Cruelty-Free. These independent verifications cover sourcing, animal welfare, environmental impact, and ingredient safety.
How sustainable is NOW Supplements, Vitamin D-3 & K-2?+
Packaged in recyclable plastic #1 bottles; brand has a comprehensive environmental policy and is Non-GMO Project Verified.
What are the key ingredients or materials in NOW Supplements, Vitamin D-3 & K-2?+
Lanolin-derived D3, synthetic MK-4 K2, cellulose capsule, magnesium stearate. Non-GMO, but not vegan.
How much does NOW Supplements, Vitamin D-3 & K-2 cost?+
NOW Supplements, Vitamin D-3 & K-2 is priced in the $$ range for health & wellness. Visit the retailer links above for current pricing.
Where can I buy NOW Supplements, Vitamin D-3 & K-2?+
NOW Supplements, Vitamin D-3 & K-2 is available from the brand's official website and major retailers. The product page above lists every verified retailer we track.
Customer Reviews
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More from NOW Foods
Other NOW Foods products we've scored. See the full NOW Foods report.
NOW Foods Vitamin D3 + K2 Complex is great value for those seeking a balanced, lower-dose daily supplement to support bone health and calcium metabolism.
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