You are right that it's a good idea to be cautious when taking any vitamin, supplement, or medication. There's also been a lot of confusion about how much vitamin D is optimal. However, doctors show vitamin D3 is especially important both in preventing deaths from COVID and in helping to mitigate some of the serious side effects of the COVID shots. You might be interested in the following articles which show the critical importance of vitamin D3K2 and nattokinase (natto) which is a natural source of vitamin K2. Vitamin D serves as a carrier for calcium in the blood, but it is a driverless truck! Vitamin K2 serves as the driver and ensures that the calcium is deposited in the bones and teeth rather than in the arteries!

Why You Need Vitamins D3-K2 Urgently! [https://www.naturalblaze.com/2019/04/why-you-need-vitamins-d3-k2-urgently.html]

Eat Natto To Protect Your Heart and Bones! [https://www.naturalblaze.com/2019/07/eat-natto-to-protect-your-heart-and-bones.html]

Steps You Can Take If You Got COVID Shots  [https://www.activistpost.com/2023/11/steps-you-can-take-if-you-got-covid-shots.html]