We are so glad you are on the search for optimal nutrient levels!
Learning more about how much to take or how many of any supplement to consume is a very personal decision.
In functional medicine, Amy Myers MD® has formulated supplements using Optimal Daily Intake (ODI) as a guide and you can read more about ODI on the Amy Myers MD® BLOG paged linked below which talks about the difference between minimum suggested intake & optimal level:
The suggested use on each product label is the best way to determine when to take any of Amy Myers MD® supplements.
We recommend "Let's Get Checked" for testing your levels. We have a convenient list of tests to consider with direct links in our "Where can I go for lab testing?" article or you can with your physician or a Functional medicine Doctor before starting any new supplementation or diet plan.
Dr. Myers has a list of personal recommendations for a Functional Medicine Doctor which you can view by following the link below:
If these recommended physicians are not a good fit for you, or if they are not in your area, you can locate a Functional Medicine Doctor by visiting the Institute of Functional Medicine: