Adverse Effects of Biotin and Importance of Metabolic Measurements

This is how to use a simple home measurement to expose the harmful effects of a supplement before they even happen.

Read the article here: https://chrismasterjohnphd.substack.com/p/the-dark-side-of-biotin

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See the "super unlock" article here: https://chrismasterjohnphd.substack.com/p/unlocking-performance-and-longevity