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Low Dose Vitamin K2 (MK-7) 45 mcg

Life Extension
4.8
(5793 ratings)
Vitamin K 45 mcg
Product Image
Score 80.0

A high-quality MK-7 Vitamin K2 supplement from Life Extension, offering foundational support for bone and cardiovascular health at a reasonable price, though at a lower maintenance dose.

Quantity: 90 Softgel(s)Servings size: 1 Softgel(s) (90 servings)
Selected goals:
Other goals:
Bone Health
Heart Health
Cardiovascular Support
General Health

Score 80.0

A high-quality MK-7 Vitamin K2 supplement from Life Extension, offering foundational support for bone and cardiovascular health at a reasonable price, though at a lower maintenance dose.

Dose: K:2600mcg, Quantity: 90
Analysis

The product provides 45mcg of Vitamin K2 in the Menaquinone-7 (MK-7) form, which is widely recognized by nutritionists and scientific reviews for its superior bioavailability and longer half-life compared to other K forms. Life Extension is a premium brand, reflected in its general product quality and the trust consumers place in it, as evidenced by its high review count. While effective for foundational support in bone and cardiovascular health, its specific dosage and lack of synergistic nutrients like Vitamin D3 mean it fits a maintenance role rather than a comprehensive therapeutic one. The price per serving is reasonable for a reputable MK-7 product.

Pros
  • Contains the highly bioavailable and effective MK-7 form of Vitamin K2.
  • From Life Extension, a very reputable brand known for rigorous quality control and science-backed formulations.
  • Reasonable price per serving for a quality MK-7 product.
Cons
  • The 45mcg dosage is on the lower side for therapeutic benefits, especially compared to some alternative products.
  • Does not include synergistic nutrients like Vitamin D3, which are often recommended alongside K2 for optimal bone and heart health.
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Ingredients
IngredientAmount per serving
Vitamin K2 (Menaquinone-7) 45 mcg
Gluten Free Adults 18–50
Categories
Vitamin K 90.0
This product is an excellent example within the Vitamin K category due to its specific focus on the highly beneficial MK-7 form. It represents a superior choice compared to products offering K1 or less bioavailable forms of K2, making it a highly desirable option for those specifically seeking Vitamin K2 benefits.
Goals
Bone Health 85.0
MK-7 is crucial for activating osteocalcin, a protein that integrates calcium into bones, thereby promoting bone density and strength. The 45mcg dose provides good foundational support, helping to ensure proper calcium utilization in bone matrix and preventing its deposition elsewhere, which is vital for long-term skeletal integrity.
Heart Health 85.0
Vitamin K2 as MK-7 helps direct calcium away from arterial walls, preventing calcification and maintaining arterial elasticity, which is critical for healthy heart function. This dose contributes positively, supporting general cardiovascular integrity and reducing the risk of arterial stiffness associated with aging.
Cardiovascular Support 85.0
By inhibiting vascular calcification and promoting arterial flexibility, MK-7 plays a significant role in maintaining healthy blood vessel structure and function, directly contributing to overall cardiovascular support. The provided dosage offers a good baseline for this protective effect, helping to ensure smooth blood flow.
95 Value

Vitamin K2 (as Menaquinone-7)

Lake Avenue Nutrition
4.8
(7568 ratings)
Offers a comparable dose (50mcg) of the same superior MK-7 form at a dramatically lower price per serving (8 cents), making it an outstanding value for quality K2.
85 Value

Vitamin K-2 100 mcg

NOW
4.8
(13259 ratings)
Provides double the K2 dosage (100mcg, as MK-4) for less than half the price per serving (7 cents), representing a very strong value for those seeking a higher dose of K2, even if it's not MK-7.
80 Value

Vitamin K-2 100 mcg

NOW
4.8
(13822 ratings)
Similar to its counterpart, this NOW K2 (MK-4) product offers a higher 100mcg dose at a highly competitive price per serving (9 cents), making it a much better value for increasing K2 intake.
98 Performance

ADK Vitamins

Codeage
4.8
(1294 ratings)
Contains a significantly higher dose of K2 MK-7 (1800mcg) alongside synergistic Vitamins A and D3, which are crucial for optimal bone and cardiovascular health. This comprehensive blend offers enhanced efficacy for the stated goals.
95 Performance

Vitamins D and K with Sea-lodine

Life Extension
4.8
(20811 ratings)
Also from Life Extension, this product combines a very high dose of Vitamin K (2100mcg, likely including K2 forms) with Vitamin D, creating a synergistic effect for bone and heart health that is often recommended by nutritionists.
92 Performance

Super K

Life Extension
4.7
(11295 ratings)
Provides a comprehensive blend of Vitamin K forms (2600mcg total K, typically including K1, MK-4, and MK-7 from this brand), offering a broader spectrum of Vitamin K benefits and a higher overall dose than the original product.
95 Budget

Vitamin K2 (as Menaquinone-7)

Lake Avenue Nutrition
4.8
(7568 ratings)
Offers the same highly effective MK-7 form at a slightly higher dose (50mcg) and significantly lower price per serving (8 cents vs 15 cents), providing excellent value for an equivalent quality form.
85 Budget

Vitamin K-2 100 mcg

NOW
4.8
(13259 ratings)
Provides a higher dose of K2 (100mcg) for a much lower price per serving (7 cents), though it is in the MK-4 form, which is less potent than MK-7 but still effective for many. This offers a higher quantity of K2 for less cost.
80 Budget

Vitamin K-2 100 mcg

NOW
4.8
(13822 ratings)
Offers a higher 100mcg dose of Vitamin K2 (MK-4) for a significantly lower price per serving (9 cents). While it's not MK-7, it represents a more affordable way to get a higher K2 dose into the diet.
95 Value

Vitamin K2 (as Menaquinone-7)

Lake Avenue Nutrition
4.8
(7568 ratings)
Offers a comparable dose (50mcg) of the same superior MK-7 form at a dramatically lower price per serving (8 cents), making it an outstanding value for quality K2.
85 Value

Vitamin K-2 100 mcg

NOW
4.8
(13259 ratings)
Provides double the K2 dosage (100mcg, as MK-4) for less than half the price per serving (7 cents), representing a very strong value for those seeking a higher dose of K2, even if it's not MK-7.
80 Value

Vitamin K-2 100 mcg

NOW
4.8
(13822 ratings)
Similar to its counterpart, this NOW K2 (MK-4) product offers a higher 100mcg dose at a highly competitive price per serving (9 cents), making it a much better value for increasing K2 intake.
98 Performance

ADK Vitamins

Codeage
4.8
(1294 ratings)
Contains a significantly higher dose of K2 MK-7 (1800mcg) alongside synergistic Vitamins A and D3, which are crucial for optimal bone and cardiovascular health. This comprehensive blend offers enhanced efficacy for the stated goals.
95 Performance

Vitamins D and K with Sea-lodine

Life Extension
4.8
(20811 ratings)
Also from Life Extension, this product combines a very high dose of Vitamin K (2100mcg, likely including K2 forms) with Vitamin D, creating a synergistic effect for bone and heart health that is often recommended by nutritionists.
92 Performance

Super K

Life Extension
4.7
(11295 ratings)
Provides a comprehensive blend of Vitamin K forms (2600mcg total K, typically including K1, MK-4, and MK-7 from this brand), offering a broader spectrum of Vitamin K benefits and a higher overall dose than the original product.