It can be seen that vitamin K2 (MK-7) far exceeds vitamin K2 (MK-4) in terms of biological activity, bioavailability and efficacy. 3) How much of the vitamin k2, both mk4 and mk7, is actually bio-available. Vitamin K2 (MK-7): used for osteoporosis, improve arterial calcification, treat Parkinson's disease Cis MK-7 is not the preferred form, as it is not found in foods or nature. Vitamin K2 (MK-4): obtained through chemical synthesis Vitamin K2 (MK-7): can be extracted naturally or obtained by chemical synthesis Vitamin K2 (MK-4) belongs to the mg/d level (milligram level), 15 mg three times a day (equivalent to 45,000 micrograms per day), and the required dosage is 500 times that of vitamin K2 (MK-7). Vitamin K2 (MK-7) belongs to μg/d level (microgram level), once a day, 90 micrograms each time Another form known as vitamin K2, or menaquinone, is found primarily in animal products. Therefore, it can exist in the human body for a longer period of time, and its bioavailability in extrahepatic tissues is higher. Studies have shown that the side chain of vitamin K2 (MK-7) is longer than that of vitamin K2 (MK-4). Vitamin K2 (MK-4) is carried by the same lipoprotein and is quickly cleared in the liver. This makes MK-7 more bioavailable and appealing in supplementing our diets.Vitamin K2 (MK-7) is redistributed in the liver mainly through low-density lipoprotein The proper carbon length of MK-7 allows for longer lasting and more efficacious Vitamin K2 compared to MK-4. Much of this reasoning has been attributed to MK-7’s proper carbon side chain length. That is a 1000 fold less requirement of MK-7 compared to MK-4! Not only is less more in the case of MK-7 compared to MK-4, but both MK-7 absorption and the lasting benefits in circulation are far superior to MK-4. Recommended dosage of MK-4 is ~45,000 micrograms/day whereas MK-7 is ~45 micrograms/day. When comparing Vitamin K2: MK-4 versus MK-7, the currently accepted recommendation of daily intake requires a much lower intake of MK-7 compared to MK-4 for the same effects. Simply put, MK-7 may help promote a healthy cardiovascular system and maintain healthy bones, joints and arteries through all-natural means. Vitamin K2: MK-7 does not display toxicity, and does not concentrate in excess amounts in the liver, unlike other synthetic Vitamin K2. A facelifted version of the Jetta will be produced in the model year 2022, which will do away with the 1.4 TSI and feature an all-new 1.5t. All Natural Vitamin K2: MK-7 compared to Synthetic Vitamin K2 New to the MK7 Jetta, was the 1.4L TSI engine that was the only engine option in all of the Jetta’s, except the GLI, which has the 2.0L TSI EA888 engine featured in the MK7 GTI’s.
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