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Episode
How to Get Thicker and Shinier Hair
~7 min
Episode Brief·YouTube

How to Get Thicker and Shinier Hair

Eric Berg
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TL;DR

The four things you'd lose by not watching

4 items

TL;DR

The four things you'd lose by not watching

4 items
1

Bamboo shoots are rich in silica to strengthen hair protein, increase elasticity, and prevent brittleness — also benefiting skin, joints, and bones.

2

Wild caught salmon provides omega-3s and vitamin D3, which controls the hair follicle environment and can activate dormant hair follicle stem cells to increase density.

3

Egg yolks supply biotin (for keratin), cholesterol (hormone precursor), sulfur (scalp health), and fat-soluble vitamins to support hair structure and shine.

4

Grass-fed liver is the most nutrient-dense food for hair, containing heme iron (most common cause of shedding is iron deficiency), copper to enable iron use, zinc to block DHT-related hair loss, retinol for sebum, and B12/folate to counter graying.

Protocols

Concrete recipes — what, when, how much, and why

4 items

Eat bamboo shoots for hair strength via silica

WhatConsume bamboo shoots to supply silica for building hair protein, enhancing elasticity and preventing breakage.
WhenNo specific timing mentioned; incorporate into meals.
For whomAnyone with brittle, breaking hair; also for skin wrinkles and weak bones.
WhySilica is essential for strong, elastic hair that doesn't break; also supports collagen in skin and joints.

Bamboo shoots are a traditional food often overlooked in modern diets but prized for their high silica content. The speaker highlights that silica is not widely discussed in hair care, yet it's fundamental to the hair's protein matrix. By adding bamboo shoots—available canned or online—you provide a natural, food-based source of silica that also delivers potassium and trace minerals. The effect extends beyond hair: silica supports skin elasticity (anticipating wrinkle reduction), joint health, and bone density. The speaker implies that deficiency in silica may contribute to hair that is fragile, dull, or easily broken, and that dietary correction is straightforward with this food.

Mechanism

Silica is a key mineral in the formation of collagen and keratin proteins. It integrates into the hair shaft to improve tensile strength and flexibility, reducing brittleness and split ends.

silica can make your hair strong elastic it could prevent it from breaking it gets rid of the brittleness in hair

Also said
“it also helps your skin too it's great for wrinkles it's even good for your joints it can help strengthen your bones as well”— Expands the benefits beyond hair to skin, joints, and bones, reinforcing the systemic value of silica.

Eat wild caught salmon for omega-3s and vitamin D3

WhatInclude wild caught salmon in your diet to supply omega-3 fatty acids and vitamin D3, which activates dormant hair follicle stem cells and increases hair density.
WhenNo specific timing; presumably regular consumption.
For whomPeople with thinning hair, hair loss, or suboptimal vitamin D status.
WhyVitamin D3 controls the hair follicle environment and can awaken stem cells; omega-3s reduce inflammation and support cell membranes.

The speaker emphasizes that many hair loss problems trace back to vitamin D insufficiency. Unlike topical approaches, dietary wild caught salmon delivers both bioavailable D3 and omega-3s. The wild caught designation matters because farmed salmon often has lower vitamin D and an unfavourable fatty acid profile. The claim that vitamin D3 directly activates dormant stem cells in the follicle is a mechanistic highlight, suggesting that long-term thinning may be partially reversible with adequate intake.

Mechanism

Vitamin D receptors exist in the hair follicle; adequate D3 modulates the proliferation and differentiation of keratinocytes. The speaker states that D3 can activate dormant hair follicle stem cells, essentially 'turning on' new hair growth cycles, thus improving density. Omega-3 fatty acids contribute to scalp health and reduce inflammation that can impair follicle function.

vitamin D controls that whole environment it actually can activate dormant hair follicle stem cells this will increase the density of your hair

Also said
“nearly every single problem with hair loss can be improved with vitamin D3 especially part of the root of the hair where you have this follicle”— Broadens the vitamin D claim to almost all hair loss etiologies, stressing the root/follicle site of action.

Eat egg yolks for biotin, cholesterol, and sulfur

WhatConsume whole egg yolks to obtain biotin (for keratin production), cholesterol (hormone precursor), sulfur (scalp health), and fat-soluble vitamins to strengthen hair shaft and add shine.
WhenNo specific timing; regular dietary inclusion.
For whomThose with fragile, thinning, dull hair or possible biotin shortfall (e.g., after antibiotics).
WhyBiotin deficiency impairs keratin synthesis; cholesterol is needed to produce hormones that influence hair health; sulfur supports the 'soil' (scalp) for hair growth; yolk also contains vitamin D and fat-soluble nutrients.

The speaker highlights egg yolks as a nutrient-dense package, countering the outdated fear of dietary cholesterol. He explains that cholesterol is not the enemy but a vital molecule for hormone synthesis, directly impacting hair quality. He notes that egg yolks contain the fat-soluble vitamins A, D, E, and K, which are crucial for hair follicle health, and that sulfur acts like fertilizer for the scalp—the 'soil' into which hair grows. The biotin content is particularly relevant after antibiotic use, which can disrupt gut biotin production and suddenly cause hair problems.

Mechanism

Biotin acts as a cofactor for enzymes that synthesize keratin, the structural protein of hair. Without enough biotin, the hair shaft becomes weak and brittle. Cholesterol serves as the precursor for steroid hormones (e.g., estrogen, testosterone) that regulate the hair growth cycle. Sulfur is a component of amino acids (cysteine, methionine) critical for keratin cross-linking and scalp tissue integrity.

egg yolks are loaded with something called Biotin and people take biotin to help their hair it's a necessary thing so if you don't have enough biotin you can't even make keratin keratin makes up the hair improving the shaft of the hair

Also said
“cholesterol is the precursor for all of the key hormones that you need for your hair if those are not correctly produced or regulated in the right amounts because you don't have enough cholesterol that can affect the hair”— Explicitly connects cholesterol to hormone-driven hair health, countering low-cholesterol diet advice.
“sulfur can also help the scalp of the hair and that is kind of like the soil for the hair to grow into”— Uses the soil metaphor to illustrate sulfur's foundational role in scalp environment.

Eat grass-fed liver as the ultimate nutrient-dense food for hair

WhatConsume grass-fed beef or lamb liver (or liver capsules if taste is an issue) to correct nutrient deficiencies that drive hair loss: iron, copper, zinc, retinol, folate, B12, and biotin.
WhenNo specific schedule; incorporate as a regular part of the diet or use supplements.
For whomAnyone with hair shedding, thinning, dullness, or premature graying, especially those with suspected iron, zinc, or vitamin A insufficiency.
WhyIron deficiency is the most common cause of hair shedding; liver supplies highly absorbable heme iron plus copper to make it work, zinc to block DHT-induced loss, retinol to enable vitamin D function and regulate sebum, and B vitamins to combat graying.
CaveatsIf whole liver is unpalatable, equivalent benefits can be obtained from grass-fed liver capsules. The speaker does not mention dosage or duration.

The speaker dedicates the most time to grass-fed liver, calling it 'the most important food that you could possibly eat for hair growth.' He frames iron deficiency as the top cause of hair shedding and explains that liver solves two problems at once: it provides iron in its most bioavailable heme form and the copper necessary to activate that iron. He notes that zinc in the correct ratio can block DHT-related hair loss, a common androgenic pathway. The nutrient synergy is emphasized: retinol is needed for vitamin D to work, and both are present. He also points out that liver's biotin content outperforms standalone supplements, making it a whole-food solution. For those who dislike the taste, he offers the pragmatic alternative of grass-fed liver capsules, but stresses that the food form is superior.

Mechanism

Iron is essential for hemoglobin-mediated oxygen transport to the hair follicle; deficiency starves the follicle, causing shedding. Copper is needed to mobilize iron from storage and incorporate it into red blood cells. Zinc inhibits 5-alpha-reductase, reducing conversion of testosterone to dihydrotestosterone (DHT), which miniaturizes hair follicles. Retinol (preformed vitamin A) upregulates vitamin D receptor activity and regulates sebaceous gland oil production, preventing dry, brittle hair. Biotin and B12/folate support keratin synthesis and melanin production, respectively, countering graying.

the most common cause of hair shedding is an iron deficiency

Also said
“beef liver is loaded with the most bioavailable form of vitamin A not the precursor beta carotene but the active form of vitamin A called retinol and vitamin A is is essential for allowing vitamin D to work”— Clarifies the need for preformed vitamin A (retinol) to permit vitamin D’s hair benefits, a point not commonly discussed.
“zinc is very very important in preventing the more powerful form of testosterone called DHT that has a tendency to burn out your hair and cause hair loss zinc can help prevent that”— Introduces the DHT-blocking role of zinc, a mechanism usually associated with pharmaceutical products but here provided by food.
“if you don't like liver you can get these in capsules”— Offers a practical alternative while still endorsing the food, showing flexibility for implementation.

Recommendations

Products, supplements, and tools mentioned in the episode

5 items

Bamboo shoots

Product

Mentioned as a source of silica (and potassium/trace minerals). Available canned or online.

The speaker points to bamboo shoots as an underutilized superfood for hair. Rich in silica, they contribute directly to the strength and elasticity of hair protein and also support skin, joints, and bones. They are practical to obtain in canned form or via online purchase, making them accessible even outside their traditional culinary context.

bamboo shoots not only are very high in potassium and trace minerals they are very high in something called silica

Find Bamboo

Wild caught salmon

Product

Highlighted for omega-3 fatty acids and high vitamin D3 content; specifically wild caught, not farmed.

The speaker emphasizes wild caught over farmed salmon because of the superior nutrient profile, particularly vitamin D3 and omega-3s. He claims that vitamin D3's role in hair goes far beyond general health—it directly manages the hair follicle environment and can re-activate dormant stem cells, making it a critical food for those experiencing thinning.

the other cool thing about wild caught salmon is that it's loaded with vitamin D3

Find Wild

Egg yolks

Product

Complete package of biotin, cholesterol, sulfur, fat-soluble vitamins, and vitamin D for hair structure and shine.

The speaker rehabilitates the egg yolk, often avoided due to cholesterol fears, by enumerating its components essential for hair: biotin for keratin, cholesterol for hormone synthesis, sulfur for scalp 'soil,' and fat-soluble vitamins. He notes that after antibiotics, biotin demand rises, and egg yolks meet that need naturally.

egg yolks have all the fat soluble nutrients which are really important to support hair growth and the structure of the hair itself

Find Egg

Grass-fed liver (beef or lamb)

Product

Described as the most concentrated nutrient-dense food for hair. Contains heme iron, copper, zinc, retinol, folate, B12, and biotin. Can be cooked with onions.

The speaker positions grass-fed liver as the number one food for hair due to its unmatched nutrient density. He explains that it simultaneously addresses iron deficiency (the top cause of shedding), copper-dependent iron utilization, DHT blockade via zinc, retinol's synergy with vitamin D, and graying reversal with B vitamins. The grass-fed designation ensures a healthier fatty acid profile and higher fat-soluble vitamin content.

the absolute most concentrated nutrient-dense food that you could possibly consume it has virtually every single nutrient in very high amounts

Find Grass-fed

Grass-fed liver capsules

Supplement

Alternative for those who dislike the taste of liver; capsules deliver the same nutrients as whole grass-fed liver.

For people who find liver unpalatable, the speaker suggests grass-fed liver capsules as a convenient, taste-free way to obtain the same spectrum of hair-supportive nutrients—iron, copper, zinc, retinol, B vitamins, and biotin—without cooking. He implies that this supplement form retains the benefits, though eating whole food is ideal.

if you don't like liver you can get these in capsules

Find Grass-fed

Notable quotes

Lines worth pulling out — contrarian, specific, or perfectly phrased

5 items
silica can make your hair strong elastic it could prevent it from breaking it gets rid of the brittleness in hair
Concisely states silica's mechanical benefits for hair, tying a specific food (bamboo shoots) to a tangible outcome.
vitamin D controls that whole environment it actually can activate dormant hair follicle stem cells this will increase the density of your hair
Introduces the idea that dietary vitamin D3 can awaken sleeping stem cells, offering a mechanism for reversing thinning.
cholesterol is the precursor for all of the key hormones that you need for your hair if those are not correctly produced or regulated in the right amounts because you don't have enough cholesterol that can affect the hair
Pushes back against cholesterol phobia, framing it as essential for hormone-dependent hair health.
the most common cause of hair shedding is an iron deficiency
Bold, specific claim with practical diagnostic implication, linking liver as remedy.
beef liver is loaded with the most bioavailable form of vitamin A not the precursor beta carotene but the active form of vitamin A called retinol
Highlights the distinction between retinol and beta-carotene, a common nuance missed in plant-based recommendations.

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Topics covered

hair-thicknesshair-shinebamboo-shootssilicawild-caught-salmonomega-3-fatty-acidsvitamin-d3hair-follicle-stem-cellsegg-yolksbiotinkeratincholesterolsulfurgrass-fed-liveriron-deficiencyheme-ironcopperzincdhtretinol
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Educational summary of the cited expert source — not medical advice. Open the source recording linked above and consult a qualified physician before acting on any protocol.