Product Image

Vitamins D and K with Sea-lodine

Life Extension
4.8
★ ★ ★ ★ ★
(20811 ratings)
Iodine 1000 mcg
Vitamin K 2100 mcg
Product Image
Score 88.0

A potent supplement combining high doses of Vitamin K and Iodine, ideal for targeted support in bone and cardiovascular health, though the very high iodine content requires careful consideration for general use.

Quantity: 60 Capsule(s)Servings size: 1 Capsule(s) (60 servings)
Selected goals:
Other goals:
General Health
Brain Health
Productivity Boost
Metabolism Boost
Energy

Score 88.0

A potent supplement combining high doses of Vitamin K and Iodine, ideal for targeted support in bone and cardiovascular health, though the very high iodine content requires careful consideration for general use.

Analysis

This Life Extension product is formulated with a robust 2100mcg of Vitamin K, indicating a strong focus on bone and cardiovascular health. While the specific form of Vitamin K isn't detailed beyond 'null', Life Extension typically uses advanced, synergistic forms like K1 and various K2 forms (MK-4, MK-7) in their comprehensive K supplements, which would be highly beneficial for calcium regulation and arterial health. The inclusion of 1000mcg of Sea-Iodine provides substantial support for thyroid function and metabolism. However, this iodine dose is significantly higher than the recommended daily allowance (RDA) of 150mcg and is near the upper intake level (UL) of 1100mcg, potentially posing risks for individuals with pre-existing thyroid conditions or those sensitive to high iodine intake. The high volume of positive reviews suggests efficacy for its target audience.

Pros
  • Very high and likely comprehensive dose of Vitamin K for robust bone and cardiovascular support.
  • Generous dose of Iodine supports thyroid function and metabolic health.
  • Reputable brand known for advanced formulations and quality ingredients.
  • Excellent price per serving for the high concentration of active ingredients.
Cons
  • The 1000mcg Iodine dose is significantly above the RDA and close to the UL, which may be excessive or problematic for some users, especially without medical consultation.
  • Lack of specificity for the 'Form' of Vitamin K on the label is not ideal for transparency, although the brand generally uses effective forms.
  • Not suitable for individuals looking for a balanced daily multivitamin due to the high, targeted dosages.
$18.00($0.30 per serving)
Amazon
$ 23.50
Pure Formulas
$ 18.00
iHerb
$ 18.00
Vitacost
$ 18.00
Ingredients
IngredientAmount per serving
Vitamin D3 (Cholecalciferol) 125 mcg
Vitamin K 2100 mcg
Iodine (Sea-Iodine Complex Blend) 1000 mcg
Gluten Free Adults 18–50
Categories
Vitamin K 95.0
With 2100mcg of Vitamin K, this product provides a very substantial and likely comprehensive dose, positioning it as a top-tier option for targeting Vitamin K related health benefits like bone and arterial health.
Iodine 80.0
The 1000mcg Sea-Iodine complex delivers a significant amount of iodine, highly beneficial for those with deficiency or specific needs, but it's important to note this dose is considerably higher than the average daily requirement and should be considered carefully.
Goals
Bone Health 95.0
The very high dose of 2100mcg of Vitamin K, particularly if it includes K2 forms as expected from Life Extension, is highly effective for activating proteins like osteocalcin, crucial for directing calcium into bones and supporting bone density.
Heart Health 90.0
Vitamin K, especially K2, is vital for preventing arterial calcification by activating matrix Gla protein (MGP), which inhibits calcium deposition in soft tissues, thus providing strong cardiovascular support. The high dose contributes significantly to this benefit.
Cardiovascular Support 90.0
The substantial Vitamin K content plays a critical role in maintaining arterial flexibility and preventing the hardening of arteries, which is a key aspect of cardiovascular health and disease prevention.

Recommended Alternatives

85 Value

Prenatal Folic Acid

Nature Made
4.8
★★★★★
(2716 ratings)
With a low price per serving of 10 and containing Vitamin K (90mcg) and Iodine (150mcg), this product offers excellent value for daily essential nutrient support, especially considering its broad availability.
84 Value

Multi For Him

Nature Made
4.7
★★★★★
(1806 ratings)
Priced at 11 per serving, this multivitamin provides a solid combination of Vitamin K (80mcg) and Iodine (150mcg) tailored for men's general health, offering a strong balance of efficacy and affordability.
86 Value

Daily Vits

NOW
4.7
★★★★★
(9895 ratings)
This product delivers 80mcg of Vitamin K and 150mcg of Iodine at a competitive price per serving of 19, making it a reliable and cost-effective choice for consistent daily foundational nutrient intake.
92 Performance

Prenatal Blend

Super Nutrition
4.5
★★★★★
(1930 ratings)
This alternative offers Vitamin K2 (85mcg), which is superior for bone and heart health compared to K1, and a balanced dose of iodine (145mcg) from natural kelp, providing a more bioavailable and well-rounded nutrient profile.
90 Performance

Women

Garden of Life Vitamin Code
4.6
★★★★★
(21993 ratings)
As a whole-food based multi, this product offers naturally derived Vitamin K2 (20mcg) and Iodine (75mcg) from sea kelp, ensuring better bioavailability and a more holistic nutrient complex for overall wellness.
89 Performance

Alive! Women's 50+ Complete Multivitamin

Nature's Way
4.8
★★★★★
(10030 ratings)
This comprehensive multivitamin includes a balanced 120mcg of Vitamin K and 150mcg of Iodine, offering a broader spectrum of essential nutrients for general health without the concern of excessive iodine levels.
70 Budget

Sentry Adults

21st Century
4.7
★★★★★
(23601 ratings)
This alternative offers essential Vitamin K (25mcg) and Iodine (150mcg) at a remarkably low price per serving of 4, providing a very economical option for basic daily nutrient support.
68 Budget

One Daily Women's Health

Equate
4.6
★★★★★
(4275 ratings)
With a price per serving of 4, this product delivers Vitamin K (25mcg) and Iodine (150mcg) at an extremely budget-friendly cost, making it an accessible choice for foundational nutrient intake.
69 Budget

Therapeutic-M

21st Century
4.7
★★★★★
(587 ratings)
Providing Vitamin K (28mcg) and Iodine (150mcg) for just 5 per serving, this alternative offers a highly cost-effective way to supplement these important vitamins for general health.
85 Value

Prenatal Folic Acid

Nature Made
4.8
★★★★★
(2716 ratings)
With a low price per serving of 10 and containing Vitamin K (90mcg) and Iodine (150mcg), this product offers excellent value for daily essential nutrient support, especially considering its broad availability.
84 Value

Multi For Him

Nature Made
4.7
★★★★★
(1806 ratings)
Priced at 11 per serving, this multivitamin provides a solid combination of Vitamin K (80mcg) and Iodine (150mcg) tailored for men's general health, offering a strong balance of efficacy and affordability.
86 Value

Daily Vits

NOW
4.7
★★★★★
(9895 ratings)
This product delivers 80mcg of Vitamin K and 150mcg of Iodine at a competitive price per serving of 19, making it a reliable and cost-effective choice for consistent daily foundational nutrient intake.
92 Performance

Prenatal Blend

Super Nutrition
4.5
★★★★★
(1930 ratings)
This alternative offers Vitamin K2 (85mcg), which is superior for bone and heart health compared to K1, and a balanced dose of iodine (145mcg) from natural kelp, providing a more bioavailable and well-rounded nutrient profile.
90 Performance

Women

Garden of Life Vitamin Code
4.6
★★★★★
(21993 ratings)
As a whole-food based multi, this product offers naturally derived Vitamin K2 (20mcg) and Iodine (75mcg) from sea kelp, ensuring better bioavailability and a more holistic nutrient complex for overall wellness.
89 Performance

Alive! Women's 50+ Complete Multivitamin

Nature's Way
4.8
★★★★★
(10030 ratings)
This comprehensive multivitamin includes a balanced 120mcg of Vitamin K and 150mcg of Iodine, offering a broader spectrum of essential nutrients for general health without the concern of excessive iodine levels.