MK-7 Vitamin K-2 100 mcg
NOW
MK-7 Vitamin K-2 100 mcg
4.8
★ ★ ★ ★ ★
(27348 ratings)
Vitamin K 100 mcg
Score 95.0
A market-leading and exceptionally affordable Vitamin K2 (MK-7) supplement, offering optimal dosage and proven benefits for bone and heart health, backed by massive positive reviews.
Quantity: 60 Capsule(s)Servings size: 1 Veg Capsule(s) (60 servings)
Selected goals:
Other goals:
Bone Health
Heart Health
Cardiovascular Support
General Health
leaderboard Score 95.0
A market-leading and exceptionally affordable Vitamin K2 (MK-7) supplement, offering optimal dosage and proven benefits for bone and heart health, backed by massive positive reviews.
insights Analysis
NOW Foods MK-7 Vitamin K-2 provides 100mcg of Menaquinone-7 (MK-7), a form celebrated by nutritionists for its superior bioavailability and efficacy in systemic functions, particularly bone and cardiovascular health. Its 100mcg dosage is optimal for daily maintenance and is consistently recommended for its role in directing calcium to bones and preventing arterial calcification. With an outstanding 26,000+ positive reviews, it is arguably one of the most trusted and popular K2 supplements on the market. The price per serving at an exceptionally low $0.19 makes it a benchmark for value among premium Vitamin K2 options, solidifying its status as a top choice.
- Contains the highly effective and bioavailable Menaquinone-7 (MK-7) form of Vitamin K2.
- Exceptional price per serving ($0.19), making it one of the most cost-effective MK-7 options.
- Massive number of positive reviews signifies widespread consumer trust and satisfaction.
- Produced by NOW Foods, a brand renowned for quality and purity.
- Does not contain synergistic nutrients like Vitamin D3, which would enhance its overall efficacy for bone and heart health.
- The dosage is standard for maintenance; individuals with specific needs might require a higher K2 dose, as determined by a healthcare professional.
$7.00($0.11 per serving)
 Daily Vita | $ 7.00 | |
 Vitacost | $ 12.39 | |
| Daily Vita | $ 12.70 | |
 Pure Formulas | $ 13.08 | |
 iHerb | $ 13.46 | |
 Walmart | $ 13.85 | |
 Amazon | $ 17.35 |
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 K-2 | 100 mcg |
Categories
Vitamin K 95.0
As a top-tier Vitamin K2 supplement, it combines superior form, optimal dosage, and unmatched value, setting a high standard within the Vitamin K category.
Goals
Bone Health 95.0
The 100mcg of MK-7 is perfectly dosed to activate osteocalcin, ensuring efficient calcium transport to the bones and critically supporting skeletal integrity and density.
Heart Health 95.0
This MK-7 dosage effectively activates MGP, a vital protein that prevents arterial calcification, thus maintaining arterial elasticity and promoting robust heart health.
Through its role in directing calcium away from soft tissues and into bones, this product provides excellent, long-term support for arterial health and the entire circulatory system.
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