Most people who take biotin take it for their hair and nails. Yet biotin does much more than this. Learn what to use it for, how much to take, and how to avoid adverse effects in less than ten minutes.

Read the written and fully referenced version here: https://chrismasterjohnphd.substack.com/p/biotins-health-benefits-way-beyond

Get my short and sweet tips on each nutrient in the Cliff Notes here:

https://chris-masterjohn-phd.myshopify.com/products/the-vitamins-and-minerals-101-cliff-notes

It's free to Masterpass members here:

https://chrismasterjohnphd.substack.com/p/paid-subscribers-now-have-free-access