Many people reach for biotin the moment they notice more hair in the shower drain. But only few realize it can do more harm than good…

Today, Julie Olson returns to talk through what’s really going on behind hair loss and the confusion around biotin. We get into why true biotin deficiency is rare, how high doses can interfere with other nutrients, and why it’s so important to step back and look at the bigger picture things like gut health, inflammation, toxin exposure, and hormone balance. Julie also shares the five main root causes she sees in women struggling with hair loss and how proper testing can make all the difference.

If your hair keeps thinning no matter what you try, this episode reveals why biotin might not be the quick fix it seems.

Episode Timeline:

00:00 – Intro & Guest Background
02:50 – Why Biotin Became Popular
04:20 – Who Actually Gets Deficiency
04:50 – Risks of Too Much Biotin
07:20 – How Biotin Affects Lab Tests
08:00 – Labs Biotin Interferes With
10:20 – How Long to Stop Before Labs
11:30 – When Biotin Seems to Help
12:20 – Testing for Biotin and Deficiency
13:00 – Five Root Causes of Hair Loss
15:40 – Functional Testing Approach & Budgets
18:30 – Common Findings in Hair Loss Clients
20:50 – Gut Health Patterns and Markers
24:20 – Why Testing Improves Compliance
25:10 – Adrenals, Stress & Testing Value
27:20 – Realistic Timeline for Hair Regrowth
30:50 – Hair Supplements and Marketing Myths
33:10 – Mercury Fillings & Detox Caution
37:40 – When to Remove Mercury Amalgams
41:30 – Gluten Testing & Sensitivity Debate
46:20 – Why Even Small Gluten Matters
47:20 – Final Advice on Root Causes
48:00 – Where to Find Julie Olson
49:00 – Free Root Cause Quiz Mention
49:50 – Closing & Thank You

About Julie Olson:

Julie Olson, BSc, CN, BCHN, CGP, is a triple-certified evidence-based nutrition expert specializing in female hair loss, gut health, and gluten-related issues. She’s known for identifying and communicating root-cause solutions that help women naturally regrow their hair and restore their health. With more than a decade of experience and functional medicine training, Julie has supported over 700 women through comprehensive health and hair transformations. She designs realistic, sustainable, personalized programs that help clients take control of their well-being. Her approach focuses on addres

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