Vitamin D3 5000 IU (125 mcg) with K & K2
MegaFood
Vitamin D3 5000 IU (125 mcg) with K & K2
4.8
★ ★ ★ ★ ★
(1205 ratings)
Vitamin K 120 mcg
Score 90.0
MegaFood Vitamin D3 5000 IU with K & K2 is a high-quality, well-priced supplement that synergistically supports bone and heart health with optimal doses of D3 and K2 (MK-7). Its whole-food brand reputation adds to its appeal.
Quantity: 120 Capsule(s)Servings size: 1 Capsule(s) (120 servings)
Selected goals:
Other goals:
Bone Health
Heart Health
Cardiovascular Support
General Health
leaderboard Score 90.0
MegaFood Vitamin D3 5000 IU with K & K2 is a high-quality, well-priced supplement that synergistically supports bone and heart health with optimal doses of D3 and K2 (MK-7). Its whole-food brand reputation adds to its appeal.
insights Analysis
The MegaFood Vitamin D3 5000 IU (125 mcg) with K & K2 is designed to optimize bone health, cardiovascular support, and general well-being by providing a synergistic blend of these critical fat-soluble vitamins. The 5000 IU dose of Vitamin D3 is widely recommended by many nutritionists for adults to achieve optimal blood levels, especially given widespread deficiencies. The inclusion of 80mcg of Menaquinone-7 (MK-7), a highly bioavailable form of Vitamin K2, is crucial as it helps direct calcium to the bones and away from soft tissues like arteries, enhancing D3's benefits for bone density and arterial flexibility. MegaFood is a brand lauded for its whole-food approach and transparency, which resonates positively in online reviews, emphasizing purity and gentleness. The price per serving of $0.31 is quite affordable for such a potent and well-formulated D3/K2 combination, offering significant value to consumers seeking comprehensive support.
- Provides an optimal dose of 5000 IU Vitamin D3, essential for many bodily functions and often deficient in the population.
- Includes the highly effective Menaquinone-7 (MK-7) form of Vitamin K2 at a beneficial dose (80mcg) for synergistic action with D3.
- Offers excellent value with a competitive price per serving ($0.31) for a quality D3/K2 combination from a trusted brand.
- While 80mcg K2 is good, some specific protocols or individuals might seek slightly higher doses of K2 (e.g., 180mcg) for maximal benefits.
- As a D3/K2 focused product, it doesn't offer additional benefits found in multi-vitamin or omega-3 blends.
$37.99($0.31 per serving)
 iHerb | $ 37.99 |
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 D3 | 125 mcg |
Vitamin K | 120 mcg |
Vitamin K2 | 80 mcg |
Categories
Vitamin K 90.0
The product delivers a clinically relevant dose of 80mcg of Menaquinone-7 (MK-7), which is the preferred form of Vitamin K2 for its high bioavailability and long half-life, making it an excellent choice for Vitamin K supplementation.
Goals
Bone Health 95.0
This product excels in bone health by providing both Vitamin D3 (5000 IU) and K2 (80mcg MK-7), which are essential for calcium absorption and proper utilization, ensuring calcium is deposited in bones and teeth, not arteries.
Heart Health 90.0
The 80mcg of K2 (MK-7) is highly effective for cardiovascular health by activating proteins that prevent calcium accumulation in arteries, thus promoting arterial flexibility and reducing calcification risks, which is crucial for heart function.
With its strong D3 and MK-7 K2 pairing, this supplement provides robust cardiovascular support. Vitamin D contributes to blood pressure regulation, while K2 actively works to keep arteries clear and healthy, directly impacting cardiovascular system integrity.
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