Life Extension, Super K, with MK-7, Depot, High Dose, 90 Softgels, Laboratory Tested, Gluten-Free, SOYA-Free, Non-GMO

Product Information

What happens if I take too much Vitamin K? If you are pregnant or breastfeeding, you should not be taking large amounts of Vitamin K without your doctors’ permission. An excess of Vitamin K if you have Kidney or Liver disease can be harmful. If you’re diabetic, you will need to monitor your blood sugar closely. The dosage itself is not particularly high, at 90 mcg per capsule. While it’s good to see the supplement dissolved in oil, the low dose makes it hard to rank higher. Still, Jarrow Formulas MK-7 isn’t a bad choice, but isn’t the best either. 9. Puritan’s Pride Vitamin K In the study, healthy volunteers took similar doses of either a K1 or an MK-7 vitamin K supplement. The researchers then observed how much vitamin K was absorbed, and how long blood levels of vitamin K stayed elevated. The optimal dosage of vitamin K to get these benefits is between 90 and 200 mcg per day for most people, though no known risks have been associated with higher doses. Since vitamin K comprises of multiple forms, we first looked at the type included in each supplement. We preferred vitamin K1 and K2 over other forms, as these seem to be the most effective. In terms of forms, we did not reward versions such as MK-4 or MK-7 since research is still inconclusive about what is best.

Dosage: As a food supplement, take one Super K softgel daily with food, or as recommended by a healthcare practitioner. Just one daily softgel of Super K provides 100 mcg of vitamin K2 (MK-7); 1,000 mcg of vitamin K2 (MK-4); and 1,500 mcg of vitamin K1. Do not take with a high fibre meal. This K2 complex, plus a strong dose of K1, makes this comprehensive formula an excellent way to get your vitamin K. In simple terms, Vitamin D and Vitamin K work together like this....A large portion of arterial plaque is made up of calcium deposits (hardening of the arteries) Vitamin D has undisputed benefits in improving bone development, helping your body absorb calcium and K2 directs calcium to the right places like your skelton and keeps it out of the places that you don't want it, such as your arteries, organs and joint spaces. There is also medical proof that the safety of Vitamin D depends on Vitamin K. Toxicity (which is rare with D3) is actually a result of Vitamin K2 deficiency. Multiple studies have shown vitamin K’s value to maintaining arterial health. 5-8 And vitamin K supplementation is a good way to support healthy bone strength and bone density. 9 Clean, simple supplement design. We also considered the purity of the overall supplement design. Unnecessary binders, fillers, coloring agents, or (for liquid supplements) flavoring agents all detracted from the overall score—these compounds don’t make the supplement more effective.Bluebonnet makes a pretty basic vitamin K supplement. The dosage, 100 mcg, is not very high, and moreover, the capsule contains a lot of binders and fillers. For these reasons , most people will be better served with a different vitamin K supplement. Category winners As always, it’s a good idea to talk to your doctor before beginning a new supplement routine, especially because Vitamin K supplementation might not be recommended for certain people. The nutrient takes several different forms, but K2 is generally considered the most important when it comes to supplementing. Here are the best options on the market. Bronson Vitamin K Triple Play is another take on the triple-sourced vitamin K combination. This isn’t the highest dose version on the market, but you’ll still get 550 mcg of vitamin K all together. A final item we considered was the purity. We preferred products that included limited fillers and binders and penalized those, like Doctor’s Best , that did. Our top choice, Zhou Nutrition, includes both vitamin and D3 for better absorption and effectiveness in the body. With basically no fillers and a healthy dose, it’s pretty clear why this is our top choice. Benefits

Vitamin K2 is found in only small quantities in the diet, primarily in dairy products. Human studies show that vitamin K2 is absorbed up to ten times more than K1. Vitamin K2 remains biologically active in the body far longer than K1. For instance, K1 is rapidly cleared by the liver within 8 hours, whereas measurable levels of K2 have been detected 72 hours after ingestion.Schurgers LJ, et al. Determination of phylloquinone and menaquinones in food. Effect of food matrix on circulating vitamin K concentrations. Haemostasis. 2000 Nov-Dec;30(6):298-307. Vitamin K is a fat soluble vitamin, which typically means that there is a higher risk of toxicity from extremely high doses, since your body can’t eliminate it as easily as a water soluble vitamin like vitamin C . Vitamin K supports bones and fights arterial calcification [1-5] but it can be difficult to sustain sufficient Vitamin K. If you are on a diet which limits your intake of Vitamin K rich food sources such as meat, egg yolks, dairy, and leafy green vegetables, taking a Vitamin K supplement is essential to your health.