https://projectcamelotportal.com/2009/11/20/gabriele-stahler-on-vitamin-d3-with-bill-ryan-a-project-camelot-interview/
D3 is good.
https://projectcamelotportal.com/2009/11/20/gabriele-stahler-on-vitamin-d3-with-bill-ryan-a-project-camelot-interview/
D3 is good.