California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules vs NOW Foods, Mega D3 & MK-7, 60 Capsules
California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules (#3) vs NOW Foods, Mega D3 & MK-7, 60 Capsules (#5): in our Vitamin D3 + K2 Supplements scoring the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules totals 7.2/10 and the NOW Foods, Mega D3 & MK-7, 60 Capsules 6.3/10.
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California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules
$16.2Check price at iHerbRead full review
TopsFive comparison scores
Side by side
| California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules | NOW Foods, Mega D3 & MK-7, 60 Capsules | |
|---|---|---|
| Price | $16.2 | $16.52 |
| D3 Form and Source | Cholecalciferol; source not stated on the label | Cholecalciferol from lanolin |
| Vitamin D3 per Serving | 125 mcg (5,000 IU) | 125 mcg (5,000 IU) |
| K2 Form and Source | Menaquinone-7 (MK-7); source not stated | Menaquinone-7 (MK-7), branded MenaQ7 |
| Vitamin K2 per Serving | 120 mcg | 180 mcg |
| Serving Size | 1 capsule | 1 capsule |
| Delivery and Fat Carrier | Hypromellose veggie capsule with MCT oil listed among other ingredients | Dry hypromellose capsule; label directs use with a fat-containing meal |
| Dietary and Allergen Notes | Formulated without gluten, GMOs or soy; manufactured in a facility that may process declared allergens | Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts or sesame; not vegan |
| Testing Evidence | Independent ISO-laboratory testing claimed; product-specific iTested report marked Coming Soon | GMP Quality Assured and made/quality tested in the USA; no qualifying product-specific certification or public CoA located |
How they differ in real use
Built from our vitamin d3 k2 supplements scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules and the NOW Foods, Mega D3 & MK-7, 60 Capsules made our Top 5 Vitamin D3 + K2 Supplements, at #3 and #5. Exceptional active-unit value and unmatched iHerb sales break ties against similarly formulated products. It remains below the top two because the public product-specific report is unavailable and its 5,000 IU D3 dose exceeds the adult upper limit. MenaQ7, strong value and extensive iHerb adoption make it a credible fifth choice. Popularity cannot offset the lowest testing score in this group and a 5,000 IU D3 dose above the adult upper limit.
We score vitamin d3 + k2 supplements on Third-Party Testing (30%), Form & Bioavailability (25%), Dose vs Research (20%), Label Transparency (15%) and Value (10%). On that basis the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules totals 7.2 out of 10 and the NOW Foods, Mega D3 & MK-7, 60 Capsules 6.3. The widest gap is Third-Party Testing, where the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules scores 5 against 3 for the NOW Foods, Mega D3 & MK-7, 60 Capsules — independent certification or a published certificate of analysis. Value also separates them: 10 for the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus 7 for the NOW Foods, Mega D3 & MK-7, 60 Capsules.
On paper, the specifications that actually differ: D3 Form and Source — Cholecalciferol; source not stated on the label on the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus Cholecalciferol from lanolin on the NOW Foods, Mega D3 & MK-7, 60 Capsules; K2 Form and Source — Menaquinone-7 (MK-7); source not stated on the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus Menaquinone-7 (MK-7), branded MenaQ7 on the NOW Foods, Mega D3 & MK-7, 60 Capsules; Vitamin K2 per Serving — 120 mcg on the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus 180 mcg on the NOW Foods, Mega D3 & MK-7, 60 Capsules; Delivery and Fat Carrier — Hypromellose veggie capsule with MCT oil listed among other ingredients on the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus Dry hypromellose capsule; label directs use with a fat-containing meal on the NOW Foods, Mega D3 & MK-7, 60 Capsules; Dietary and Allergen Notes — Formulated without gluten, GMOs or soy; manufactured in a facility that may process declared allergens on the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts or sesame; not vegan on the NOW Foods, Mega D3 & MK-7, 60 Capsules; Testing Evidence — Independent ISO-laboratory testing claimed; product-specific iTested report marked Coming Soon on the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus GMP Quality Assured and made/quality tested in the USA; no qualifying product-specific certification or public CoA located on the NOW Foods, Mega D3 & MK-7, 60 Capsules. They match on Vitamin D3 per Serving and Serving Size.
Pricing as of August 5, 2026: $16.2 for the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules and $16.52 for the NOW Foods, Mega D3 & MK-7, 60 Capsules, a $0.32 difference in the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules's favor. Owners praise the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules for the 180-serving bottle costs about $0.018 per 1,000 IU of D3 and $0.075 per 100 mcg of K2. and the full label discloses 120 mcg of MK-7 without a proprietary blend.; the most common complaint is the 5,000 IU D3 serving exceeds the US adult tolerable upper intake level of 4,000 IU per day from all sources. Owners praise the NOW Foods, Mega D3 & MK-7, 60 Capsules for the 180 mcg MenaQ7 dose equals the MK-7 amount used in a published three-year human trial. and at $0.28 per serving, active-unit costs are approximately $0.055 per 1,000 IU of D3 and $0.153 per 100 mcg of K2.; the most common complaint is the 5,000 IU D3 serving exceeds the US adult upper limit, and its lanolin source is not vegan.
California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules
- The 180-serving bottle costs about $0.018 per 1,000 IU of D3 and $0.075 per 100 mcg of K2.
- The full label discloses 120 mcg of MK-7 without a proprietary blend.
- Its 50,000+ recent monthly sales and roughly 35,000 iHerb reviews provide the strongest buyer-adoption evidence in the selected five.
- The 5,000 IU D3 serving exceeds the US adult tolerable upper intake level of 4,000 IU per day from all sources.
- The page says independently third-party tested, but its product-specific iTested report is marked Coming Soon.
NOW Foods, Mega D3 & MK-7, 60 Capsules
- The 180 mcg MenaQ7 dose equals the MK-7 amount used in a published three-year human trial.
- At $0.28 per serving, active-unit costs are approximately $0.055 per 1,000 IU of D3 and $0.153 per 100 mcg of K2.
- Roughly 31,000 iHerb reviews and 4,000-5,000 recent monthly sales show substantial buyer adoption.
- The 5,000 IU D3 serving exceeds the US adult upper limit, and its lanolin source is not vegan.
- GMP Quality Assured and made-and-quality-tested claims are not equivalent to a named product-specific certification or published CoA.
Which should you buy?
The California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules is the better fit for buyers prioritizing the lowest active-unit cost and buyers wanting a 180-serving MK-7 bottle — it is the higher-scoring pick here, chiefly for Third-Party Testing and Value. The NOW Foods, Mega D3 & MK-7, 60 Capsules is the better fit for buyers wanting 180 mcg of branded MenaQ7 and buyers prioritizing active-unit value over vegan sourcing. Since the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules is both the higher scorer and $0.32 cheaper, the NOW Foods, Mega D3 & MK-7, 60 Capsules only makes sense for buyers wanting 180 mcg of branded MenaQ7. The California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules is a poor fit for buyers seeking D3 below the adult upper limit; the NOW Foods, Mega D3 & MK-7, 60 Capsules is a poor fit for vegans.
Choose the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules if
- Buyers prioritizing the lowest active-unit cost
- Buyers wanting a 180-serving MK-7 bottle
Skip it if
- Buyers seeking D3 below the adult upper limit
- Buyers requiring an immediately accessible product-specific CoA
Choose the NOW Foods, Mega D3 & MK-7, 60 Capsules if
- Buyers wanting 180 mcg of branded MenaQ7
- Buyers prioritizing active-unit value over vegan sourcing
Skip it if
- Vegans
- Buyers requiring strong product-specific third-party verification
Common questions
Is the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules better than the NOW Foods, Mega D3 & MK-7, 60 Capsules?
In our Vitamin D3 + K2 Supplements ranking the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules scores higher overall, 7.2 to 6.3, with the biggest advantage in Third-Party Testing. The NOW Foods, Mega D3 & MK-7, 60 Capsules does not out-score it on any criterion we weigh.
How much more does the NOW Foods, Mega D3 & MK-7, 60 Capsules cost than the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules?
$0.32 more as of August 5, 2026: $16.52 for the NOW Foods, Mega D3 & MK-7, 60 Capsules against $16.2 for the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules. Prices move, so the merchant page shows the current figure.
What is the main difference between the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules and the NOW Foods, Mega D3 & MK-7, 60 Capsules?
The headline spec difference is D3 Form and Source: Cholecalciferol; source not stated on the label on the California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules versus Cholecalciferol from lanolin on the NOW Foods, Mega D3 & MK-7, 60 Capsules. In use, the gap that matters most is Third-Party Testing (5 vs 3 in our scoring): independent certification or a published certificate of analysis.