Yes indeed weekly and meant to say 5,000IU. Am curious to know your medical qualifications and where you practised. I was a Consultant Paediatrician for 20 years at the West Yorkshire NHS Trust.
Stop them all if you have a decent diet. Big Suppla relies on your health fears and vunerability. It is a 180 BILLION USD market. A huge con. BTW I am a retired Consultant Physician.