Vitamin K1 is found in plants and is important for clotting, a necessary step in wound healing. Vitamin K2 is produced in the digestive tract by the action of bacteria upon K1. There is also evidence that at least some animals can directly convert vitamin K1 into K2.
Vitamin K2 is also present in substantial quantities in animal products if the animals have been eating grass. Vitamin K2 is found in butter, cheeses, and meats of animals consuming grasses. Consumption of pasture raised poultry and beef offers many health advantages over consumption of products from grain fed animals.
Vitamin K2 plays an important role in strengthening bone and regulating calcium utilization. Deficiency can contribute to osteoporosis. Utilizing broad spectrum antibiotics can reduce vitamin K2 production in the gut by up to 74%. This provides one more reason to use a probiotic supplement like Acidophilus Complex after a course of antibiotics.
Unfortunately, feedlot animals are routinely fed antibiotics. Consuming the products of such animals may pose a problem for obtaining adequate vitamin K2.
The lessons here:
1. Consume dark, leafy greens on a regular basis unless told to avoid them by your doctor.
2. Consume animal products from animals that are feeding upon green foods.
3. Try to avoid indiscriminate use of antibiotics.
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