From Thinning to Thriving: Vitamins for Healthy Hair
Dr. Joseph Mercola - Take Control of Your Health
Briana Mercola
4.6 • 1.6K Ratings
🗓️ 29 March 2025
⏱️ 11 minutes
🧾️ Download transcript
Summary
Story at-a-glance
- Vitamin deficiencies often cause hair loss, with nutrients like vitamins D, B12, A and iron playing key roles in maintaining healthy hair growth cycles
- Vitamin D supports hair follicle development, while B vitamins help produce keratin — the protein that forms hair structure
- Iron carries oxygen to hair follicles; deficiency causes poor growth, but too much is also harmful, with ideal serum ferritin levels being 20 to 40 ng/mL
- Vitamin A regulates scalp health through sebum production; both deficiency and excess cause hair problems like dryness or thinning
- A nutrient-rich whole foods diet is the best approach to addressing vitamin-related hair loss, with supplement used only when necessary after proper testing
Transcript
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| 0:00.0 | Welcome, everyone, to this brand new episode of Dr. Mercola's cellular wisdom. I'm Ethan Foster, |
| 0:05.1 | your friendly neighborhood observer of the human condition. And I'm Alara Sky, your witty, quick-thinking |
| 0:10.2 | partner in podcast banter, here to shed light on all those health mysteries you never knew were |
| 0:14.9 | mysteries. Together, we're about to explore something that many of us have noticed in the shower |
| 0:19.4 | drain and quietly panicked about. |
| 0:21.3 | Hair loss. |
| 0:22.4 | Hair loss has to be near the top of the things people secretly worry about list. |
| 0:26.2 | Right under, is there spinach in my teeth? |
| 0:28.4 | And did I forget to lock the front door? |
| 0:30.7 | Today we're zeroing in on the hidden link between vitamins and hair loss. |
| 0:34.1 | If you're seeing more hair in your brush than usual, you might want to stick around. |
| 0:37.7 | Because sometimes it's not just about your genes or stress. We'll talk about vitamins D, B12, A, and iron. |
| 0:43.7 | Spoiler alert. These nutrients are basically the hair police, ensuring every strand is on duty. |
| 0:48.8 | Meanwhile, biotins behind the scenes, hammering away to build keratin, the structure that forms |
| 0:53.5 | your hair. It's like a well-coordinated construction site, but for to build keratin, the structure that forms your hair. |
| 0:56.9 | It's like a well-coordinated construction site, but for your head. |
| 0:58.7 | Right, the Grand Construction Project. |
| 1:02.6 | And if any of these key players are missing, you end up with an incomplete building. |
| 1:04.8 | Now, let's talk about hair's growth cycle. |
| 1:08.9 | It basically has three phases, growth, transition, and rest. |
| 1:11.7 | That means your hair is always rotating through these phases, |
| 1:17.3 | sort of like shift work at a 24-hour diner. Exactly. In the best scenario, your hair grows in the anogen phase, transitions briefly in catagen, then takes a little break in telogen. But if some |
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