Natural Vitamin K2 MK-7 with MenaQ7 100 mcg
Doctor's Best
Natural Vitamin K2 MK-7 with MenaQ7 100 mcg
4.8
★ ★ ★ ★ ★
(17293 ratings)
Vitamin K 100 mcg
Score 90.0
A highly rated and cost-effective Vitamin K2 (MenaQ7 MK-7) supplement offering excellent value for bone and cardiovascular health, though it lacks synergistic D3.
Quantity: 60 Veggie Cap(s)Servings size: 1 Veggie Capsule(s) (60 servings)
Selected goals:
Other goals:
Bone Health
Heart Health
Cardiovascular Support
General Health
leaderboard Score 90.0
A highly rated and cost-effective Vitamin K2 (MenaQ7 MK-7) supplement offering excellent value for bone and cardiovascular health, though it lacks synergistic D3.
insights Analysis
Doctor's Best Natural Vitamin K2 MK-7 with MenaQ7 delivers 100mcg of Menaquinone-7, utilizing the patented MenaQ7, a well-researched and highly effective form of Vitamin K2. This dosage is widely recognized by nutritionists as sufficient for daily maintenance of bone density and arterial flexibility. The product boasts an impressive 16,000+ positive reviews, reflecting strong consumer trust and satisfaction in its efficacy and quality. Priced at $0.20 per serving, it offers remarkable value for a premium K2 supplement, making it accessible to a broad audience. While it is a standalone K2 product and does not include synergistic Vitamin D3, its core offering is top-notch.
- Utilizes MenaQ7, a clinically validated and highly bioavailable form of MK-7.
- Excellent price per serving ($0.20), offering great value for a premium K2 form.
- Extremely high number of positive reviews indicates strong consumer trust and satisfaction.
- The 100mcg dosage is widely recommended for daily maintenance of K2 levels.
- Does not include synergistic nutrients like Vitamin D3, which is often recommended alongside K2 for optimal bone and heart health.
- Some individuals might prefer a higher dosage of K2 for specific therapeutic needs, although 100mcg is ideal for general maintenance.
$12.39($0.20 per serving)
 Vitacost | $ 12.39 | |
 iHerb | $ 12.42 | |
 Pure Formulas | $ 12.71 |
bolt Effectiveness for goals
Vitamin K is essential for proper blood clotting and plays a significant role in bone metabolism. It helps the body produce proteins necessary for these vital bodily functions.
Vitamin K activates proteins such as osteocalcin, which are crucial for incorporating calcium into the bone matrix. This mechanism supports bone mineralization and helps maintain bone density.
Vitamin K1 (phylloquinone) is primarily effective for blood coagulation and is abundant in green leafy vegetables. Vitamin K2 (menaquinones) is more involved in bone and cardiovascular health, found in fermented foods and animal products, and has different bioavailabilities.
Emerging research suggests that Vitamin K, particularly K2, may help prevent arterial calcification by activating matrix Gla protein. This protein helps inhibit calcium deposition in soft tissues, supporting arterial flexibility.
Vitamin K works synergistically with calcium by helping to direct calcium to the bones and away from soft tissues like arteries. It activates proteins like osteocalcin for bone binding and matrix Gla protein to inhibit soft tissue calcification.
schedule Dosage, timing & forms
Recommended dosages for Vitamin K vary by age and form (K1 vs K2). For adults, the Adequate Intake (AI) for Vitamin K is 120 mcg per day for men and 90 mcg per day for women. Specific supplemental dosages may differ depending on individual needs and health goals.
Yes, dosages can differ between Vitamin K1 and K2 due to their varying potencies and half-lives. While K1 is measured in micrograms (mcg) for general intake, K2 (especially MK-7) may be effective at lower microgram doses due to its longer half-life. It's important to check the specific form and dosage on the supplement label.
Yes, Vitamin K is a fat-soluble vitamin, meaning it is best absorbed when taken with a meal containing some dietary fat. This helps facilitate its absorption into the body.
The two main forms of Vitamin K found in supplements are Vitamin K1 (phylloquinone) and Vitamin K2 (menaquinone). Vitamin K2 further has various subtypes, with MK-4 and MK-7 being the most common in supplements. Each form may have distinct roles and bioavailability.
There is no established Upper Limit (UL) for Vitamin K from food or supplements, as toxicity is rare. However, high doses of synthetic Vitamin K (menadione, K3) can be toxic, though this form is not typically found in supplements. Always adhere to recommended dosages and consult a healthcare provider if you have concerns.
health_and_safety Safety & interactions
Vitamin K plays a crucial role in blood clotting, which is the opposite effect of anticoagulant medications such as warfarin. Consuming inconsistent amounts of Vitamin K can alter warfarin's effectiveness, potentially making the blood thinner less effective or increasing bleeding risk. Individuals taking warfarin should maintain a consistent intake of Vitamin K and consult their healthcare provider.
Individuals taking anticoagulant medications like warfarin should consult their doctor before taking Vitamin K supplements due to potential interactions. People with certain liver conditions or those with a G6PD deficiency should also seek medical advice before supplementation. Always discuss new supplements with a healthcare provider.
Vitamin K supplements are generally considered safe for most healthy individuals when taken at recommended dosages. Side effects are uncommon but can include upset stomach, diarrhea, or allergic reactions in sensitive individuals. High doses of synthetic Vitamin K (menadione, K3) can be toxic, but this form is rarely used in supplements.
Vitamin K is essential during pregnancy and breastfeeding, and adequate intake is important for both mother and child. However, supplementation during these periods should only be undertaken under the guidance of a healthcare professional. High doses are generally not recommended without specific medical advice.
There is currently no established Tolerable Upper Intake Level (UL) for Vitamin K from food or supplements due to its low potential for toxicity. However, excessive intake, especially of synthetic forms, could potentially have adverse effects. It is always best to adhere to recommended dosages on supplement labels or as advised by a healthcare professional.
Ingredients
| Ingredient | Amount per serving |
|---|---|
| Vitamin K2 (MenaQ7 Menaquinone) | 100 mcg |
Categories
Vitamin K 90.0
As a leading Vitamin K2 supplement, it delivers a premium form and effective dosage at a competitive price, making it a benchmark in the Vitamin K category.
Goals
Bone Health 90.0
The 100mcg of MenaQ7 is highly effective for activating osteocalcin, which is crucial for directing calcium to bones and supporting their mineralization and density.
Heart Health 90.0
MenaQ7 effectively activates MGP, a key protein that prevents calcium deposition in arteries, thereby maintaining arterial elasticity and supporting cardiovascular integrity.
Its specific action in preventing vascular calcification through MGP activation makes this product excellent for comprehensive support of the circulatory system.
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