Vitamin K2 MK-7 (Menaquinone-7) 45 mcg
Carlson
Vitamin K2 MK-7 (Menaquinone-7) 45 mcg
4.8
★ ★ ★ ★ ★
(1912 ratings)
Vitamin K 45 mcg
Score 90.0
A dependable and economical Vitamin K2 MK-7 supplement from a trusted brand, great for long-term bone and heart health support.
Quantity: 180 Softgel(s)Servings size: 1 Softgel(s) (180 servings)
Selected goals:
Other goals:
Bone Health
Heart Health
Cardiovascular Support
General Health
leaderboard Score 90.0
A dependable and economical Vitamin K2 MK-7 supplement from a trusted brand, great for long-term bone and heart health support.
Quantity: 90Dose: K:180mcg, Quantity: 90Dose: K:180mcg, Quantity: 180Dose: K:90mcg, Quantity: 60Dose: K:90mcg, Quantity: 120
insights Analysis
This Carlson product provides 45 mcg of Vitamin K2 as Menaquinone-7, a highly bioavailable and effective form for systemic calcium management. The large 180-serving bottle makes it a cost-effective option for extended use, reducing the frequency of purchases. Carlson is known for its purity and quality, which aligns with nutritionist recommendations for choosing reputable brands. Online reviews generally reflect satisfaction, highlighting its role in supporting bone density and cardiovascular health. While 45 mcg is a standard maintenance dose, some individuals may opt for higher doses for specific therapeutic outcomes.
- Uses Menaquinone-7, an effective and well-absorbed form of Vitamin K2.
- Comes in a large 180-serving bottle, offering good bulk value and convenience for long-term use.
- Produced by Carlson, a reputable brand known for quality and purity in supplements.
- The price per serving is slightly higher compared to the most budget-friendly MK-7 options available, such as Doctor's Best.
- The 45 mcg dosage, while standard, might be considered insufficient for individuals seeking higher therapeutic doses of K2.
- Lacks other synergistic nutrients like Vitamin D3, which is often recommended for combined bone and cardiovascular benefits with K2.
$33.92($0.18 per serving)
 iHerb | $ 33.92 | |
 Vitacost | $ 33.92 |
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 | 45 mcg |
Categories
Vitamin K 90.0
This product delivers a pure and effective form of Vitamin K2, making it a strong contender within the 'Vitamin K' collection. Its focus on MK-7 ensures that it targets the most systemic and beneficial aspects of Vitamin K supplementation.
Goals
Bone Health 88.0
The Menaquinone-7 in this product actively supports bone health by promoting the proper utilization of calcium within bone tissue. Regular intake can contribute to maintaining bone density and reducing fracture risk over time, effectively addressing this goal.
Heart Health 88.0
Vitamin K2 MK-7 is vital for preventing calcification of arteries, which is a key aspect of heart health. By activating MGP, this supplement helps maintain arterial elasticity and supports overall cardiovascular function.
Through its role in preventing calcium buildup in soft tissues like arteries, this K2 MK-7 supplement provides excellent cardiovascular support. It helps ensure that calcium is directed to where it's needed (bones) rather than accumulating in blood vessels, promoting circulatory health.
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