'Ben Greenfield Tests His Body'

01:57 Jun 15, 2021
'Getting a home test kit for Vitamin D, Testosterone/Cortisol ratios, magnesium/calcium levels, essential amino acids, metabolic type, and ferritin levels. E-mail ben@bengreenfieldfitness.com to learn how.' 

Tags: Vitamin D , blood type , essential amino acids , home test kit , magnesium/calcium levels , metabolic type , ferritin levels , iron testing

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