You need to take extreme amounts of it for months to overdose. Something like 40,000-100,000IU/day for several months. That's 8-20 pills per day of the most p

You need to take extreme amounts of it for months to overdose. Something like 40,000-100,000IU/day for several months. That's 8-20 pills per day of the most potent D3 commonly available.