Product Image

Mega D-3 5000 IU & MK-7 180 mcg

NOW
4.8
(25386 ratings)
Vitamin K 180 mcg
Product Image
Score 98.0

An outstanding D3 and MK-7 combination, providing powerful synergistic benefits for bone and heart health at an unbeatable value.

Quantity: 120 Capsule(s)Servings size: 1 Capsule(s) (120 servings)
Selected goals:
Other goals:
Bone Health
Heart Health
Cardiovascular Support
General Health

Score 98.0

An outstanding D3 and MK-7 combination, providing powerful synergistic benefits for bone and heart health at an unbeatable value.

Quantity: 60
Analysis

The combination of 5000 IU of Vitamin D3 and 180mcg of Menaquinone-7 (MK-7) in the NOW Mega D-3 & MK-7 product directly addresses the intricate relationship between these two vitamins in calcium metabolism. Vitamin D is essential for the absorption of calcium from the gut, but without adequate K2, this calcium might end up in soft tissues like arteries. MK-7 activates proteins (like osteocalcin and MGP) that ensure calcium is properly integrated into bone matrix and cleared from arterial walls. This makes the product highly effective for preventing osteoporosis and arterial calcification, which are major concerns for bone and cardiovascular health. The high volume of overwhelmingly positive reviews underscores its widespread acceptance and perceived benefits among users, further solidifying its standing as a superior choice in its category.

Pros
  • Optimal combination of Vitamin D3 (5000 IU) and MK-7 (180mcg) for synergistic benefits.
  • MK-7 is the most bioavailable form of K2, offering long-lasting efficacy.
  • Exceptional value with a very low price per serving ($0.21) for the quality and dosage.
  • Highly trusted brand (NOW) with an excellent reputation for purity and effectiveness.
  • Massive number of positive online reviews indicating high user satisfaction.
Cons
  • The high dose of Vitamin D3 (5000 IU) might be more than some individuals need daily, potentially requiring a doctor's consultation for personalized needs.
$20.55($0.17 per serving)
Daily Vita
$ 26.60
iHerb
$ 20.55
Vitacost
$ 26.39
Ingredients
IngredientAmount per serving
Vitamin D3 (Cholecalciferol) 125 mcg
Vitamin K2 (Mena Q7) 180 mcg
Gluten Free Adults 18–50 Kosher Dairy Free Halal
Categories
Vitamin K 98.0
Represents an exemplary Vitamin K supplement due to its highly effective MK-7 form and crucial synergy with Vitamin D, setting a high standard for efficacy and value in the category.
Goals
Bone Health 100.0
The synergistic action of high-dose D3 for calcium absorption and MK-7 for calcium deposition in bones provides unparalleled support for bone density and strength.
Heart Health 100.0
MK-7 effectively prevents arterial calcification by directing calcium away from soft tissues, offering maximum protection for cardiovascular health and arterial elasticity.
Cardiovascular Support 100.0
Directly contributes to arterial flexibility and health by activating proteins that remove calcium from blood vessels, making it a top-tier product for cardiovascular wellness.
98 Value

ADK Vitamins

Codeage
4.8
(1294 ratings)
Provides an outstanding 1800mcg dose of MK-7 along with D and A for an incredibly low price per serving ($0.19), offering exceptional K2 potency per dollar.
95 Value

Super K

Life Extension
4.7
(11295 ratings)
Delivers a robust blend of Vitamin K forms (2600mcg total K) at a highly competitive price ($0.23/serving), providing a superior comprehensive Vitamin K profile for its cost.
75 Value

Vitamin K-2 100 mcg

NOW
4.8
(13259 ratings)
Offers a basic K2 (Menaquinone-4, 100mcg) at an extremely low price ($0.07/serving), providing a very cost-effective entry point for K2 supplementation, albeit at a lower effective dose compared to MK-7.
98 Performance

ADK Vitamins

Codeage
4.8
(1294 ratings)
While lacking D3 synergy in the exact same format, it provides a massive 1800mcg dose of MK-7 along with Vitamins A and D, offering a potent, specialized K2 complex for comprehensive support.
95 Performance

Super K

Life Extension
4.7
(11295 ratings)
Offers a comprehensive blend of Vitamin K forms (2600mcg total K, typically including MK-7 and MK-4) providing broad-spectrum K support, making it a strong alternative for complete Vitamin K coverage.
93 Performance

Vitamins D and K with Sea-lodine

Life Extension
4.8
(20811 ratings)
Combines Vitamin D and K (2100mcg total K, likely a beneficial blend) with added Sea-Iodine, offering a broader range of synergistic benefits for bone, cardiovascular, and thyroid health.
60 Budget

Sentry Adults

21st Century
4.7
(23601 ratings)
An extremely affordable multivitamin at $0.048/serving, providing Vitamin K1 (Phytonadione, 25mcg), making it a significantly cheaper overall vitamin option, though not specifically K2-focused.
65 Budget

Women's Daily Multi Formula

Mason Natural
4.7
(1121 ratings)
Offers Vitamin K1 (Phytonadione, 25mcg) at a very low price of $0.07/serving, providing a cost-effective way to get some Vitamin K, albeit a different form and lower dosage compared to the original.
65 Budget

Sentry Senior Women's 50+

21st Century
4.7
(11084 ratings)
A budget-friendly multivitamin ($0.07/serving) that includes Vitamin K1 (Phytonadione, 50mcg), offering basic Vitamin K support at a fraction of the cost, but not the specific K2 benefits.
98 Value

ADK Vitamins

Codeage
4.8
(1294 ratings)
Provides an outstanding 1800mcg dose of MK-7 along with D and A for an incredibly low price per serving ($0.19), offering exceptional K2 potency per dollar.
95 Value

Super K

Life Extension
4.7
(11295 ratings)
Delivers a robust blend of Vitamin K forms (2600mcg total K) at a highly competitive price ($0.23/serving), providing a superior comprehensive Vitamin K profile for its cost.
75 Value

Vitamin K-2 100 mcg

NOW
4.8
(13259 ratings)
Offers a basic K2 (Menaquinone-4, 100mcg) at an extremely low price ($0.07/serving), providing a very cost-effective entry point for K2 supplementation, albeit at a lower effective dose compared to MK-7.
98 Performance

ADK Vitamins

Codeage
4.8
(1294 ratings)
While lacking D3 synergy in the exact same format, it provides a massive 1800mcg dose of MK-7 along with Vitamins A and D, offering a potent, specialized K2 complex for comprehensive support.
95 Performance

Super K

Life Extension
4.7
(11295 ratings)
Offers a comprehensive blend of Vitamin K forms (2600mcg total K, typically including MK-7 and MK-4) providing broad-spectrum K support, making it a strong alternative for complete Vitamin K coverage.
93 Performance

Vitamins D and K with Sea-lodine

Life Extension
4.8
(20811 ratings)
Combines Vitamin D and K (2100mcg total K, likely a beneficial blend) with added Sea-Iodine, offering a broader range of synergistic benefits for bone, cardiovascular, and thyroid health.