can safely take 5 to 6 times per week a drop of Vitamin D containing 5000 units , always with food or 2x per week 3 drops if that is easier.

Below a very convenient from {Kosher drops of good quality]

https://www.iherb.com/tr/cb?pcodes=BLB-00378qty1sid0&v=2&rcode=RKK609