As I have stated in the past, people often get suckered into “if some is good, more must be better” mentality. Especially when it comes to supplements. This is often due to supplement companies and their marketing tactics, but it is also due to experts in the health and fitness world looking for something cool and exciting to promote.
We see this all the time.
“Well if 5g of fish oil is good, then 15g must be awesome!”
“Vitamin D has lots of health benefits, and I don’t want to be deficient, so I should ‘optimize’ my levels with 5,000IU.”
Unfortunately, these approaches are inherently flawed. And often lead to more harm than good.
With that in mind, here are two great articles that delve into why high-dosing with vitamin D might not be the best idea, and what an appropriate dosage range is for most people. They provide an objective and balanced big-picture view.