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Collagen Gut Renewal Physician ReviewedTrichologist-Developed 100% Money back Guarantee
One scoop — One scoop daily. — Mix into any beverage.
89%

Recommend to Friends & Family After 6 Months¹

83%

Noticed Hair Regrowth After 6 Months¹

85%

Noticed a Reduction in Shedding After 6 Months¹

Target the Root Cause

Physician Reviewed – Trichologist Developed Gut-First Collagen Formula Simple Daily Gut & Hair Support — Supports the hair growth cycle — Supports nutrient availability Supports Gut Health, Nutrient Availability & Fuller-Looking Hair Collagen Gut Renewal Collagen Gut Renewal
Zone 3TM

Collagen Gut Renewal

Daily Intestinal Barrier & Immune Support

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Subtotal $104.85

Discount (20%) -$20.97

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Total $83.88

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We recommend 3-6 months of consistent use to see results.

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Mix 1 scoop daily into water or beverage. Supports gut health & hair growth.

Description

Collagen Gut Renewal is a Zone 3™ Triceutical™ that helps maintain a healthy gut environment and support hair, skin and overall wellness. This daily powder nourishes beneficial gut microbes, promotes regularity, and helps reinforce the intestinal barrier to support the hair growth cycle. Formulated with bovine collagen peptides, vitamin C, magnesium, and partially hydrolyzed guar gum (PHGG), it supports nutrient availability, a calmer digestive environment, and the internal conditions your hair needs to look fuller and healthier over time.

Ingredients

Collagen Gut Renewal supplement facts

Key Benefits

Nourishes Beneficial Gut Microbes

Partially hydrolyzed guar gum (PHGG) nourishes beneficial gut microbes and promotes regularity to help maintain a healthier digestive environment.

Supports the Hair Growth Cycle

Helps reinforce the intestinal barrier to support the hair growth cycle and overall internal conditions associated with fuller, healthier-looking hair over time.

Supports Collagen Synthesis & Follicle Structure

Bovine collagen peptides supply key amino acids that support the follicle's extracellular matrix. Vitamin C acts as a co-factor for natural collagen synthesis.

Supports Enzymatic Function & Protein Assembly

Magnesium supports normal enzymatic function and protein assembly, contributing to nutrient availability and a calmer digestive environment.

How to use

Mix 1 scoop (7.98 g) into 8-12 oz of water or beverage once daily. If you have a sensitive stomach, start with 1/2 scoop for 7-14 days. For best results, use consistently as part of your daily routine.

Ingredients

Collagen Peptides Vitamin C Magnesium PHGG Fiber Acerola Cherry Gut Support Prebiotic Barrier Support Immune Support Digestive Health Hair Growth Unflavored GMP Certified Third-Party Tested Once Daily Mix & Drink Money-Back Guarantee Zone 3™ Formula
Learn More
Collagen Gut Renewal

Collagen Gut Renewal

100% No-Risk. Within 90 Days. Money Back Guarantee.

As featured in:

Built for your zone

What we'd pair with this

EFA Complete
Zone 3TM

EFA Complete

Provides essential fatty acids to support a healthy inflammatory response and overall scalp function.

 HairStem Peptide Shampoo and Conditioner

Peptide Shampoo and Conditioner

A complete shampoo and conditioner system that cleanses, nourishes, and supports healthier hair and scalp.

Hormonal Hair Loss

Explore Zone 1™

Nutritional Hair Loss

Explore Zone 2™

Not sure if this
product is right for you?

Take Zone Hair Pull Test™
What to expect

Your growth timeline.
Here's what happens.

Day 1–30
Day 31–60
Day 61–90

The foundation Gut support begins. Digestive comfort improves and shedding starts to slow.

The shift Shedding reduces significantly. Skin and hair both start to look healthier.

The result Less shedding and the first signs of new growth. 83% noticed hair regrowth at six months.¹

Individual results will vary based on multiple factors, including but not limited individual biology, consistency and duration of use, and the severity and cause of hair loss.

Understanding The Science

Healthy hair starts in the gut.
Collagen Gut Renewal starts there.

Hair loss isn't random — it maps to specific zones on the scalp, each with a distinct root cause. Collagen Gut Renewal is formulated to target Zone 3, where inflammation and gut imbalance silently disrupt the hair growth cycle.

Zone 1TM
Hormonal Hair Loss DHT is quietly shrinking your follicles.
Zone 2TM
Nutritional Hair Loss Your follicles are starving for nutrients.
Zone 3TM
Inflammatory Hair Loss Scalp irritation blocks the growth cycle.
Zone 1™ · Hormonal

Your follicles are
shrinking. And you don't know it.

Testosterone can convert into DHT, which can bind to susceptible hair follicles and gradually shorten the growth cycle — leading to finer, weaker strands and visible thinning, especially at the temples and crown.

83% Reported and noticed hair regrowth.¹
Hormonal hair loss: thinning at the crown and hairline
Zone 2™ · Nutritional

Your follicles are
starving. And you don't know it.

Deficiencies in key vitamins, minerals, and nutrients can disrupt the hair growth cycle, leading to increased shedding, diffuse thinning, and weaker growth. Correcting these nutritional gaps helps create the foundation follicles need to grow normally.

85% Reported a reduction in shedding.¹
Nutritional hair loss: diffuse thinning throughout
Zone 3™ · Inflammatory

Your follicles are
irritated. And you don't know it.

When the scalp becomes irritated — from stress, immune responses, or product buildup — blood flow to follicles is restricted and the growth cycle breaks down. Calming botanicals and targeted nutrients help restore a healthy scalp environment where hair can grow.

89% Recommended to family and friends.¹
Inflammatory hair loss: patchy shedding across the scalp

Not sure if this product is right for you?

Take the Zone Hair Loss Test

Real results.
Don't take our word for it.

Real before-and-afters from real Advanced Trichology users — at 60, 90 and 180 days. No filters. No retouching.

Before and after 180 days

"I had tried everything and given up when I found Advanced Trichology. At first I thought nothing was happening, but I stuck to the plan and started seeing real changes. My gut feels healthier and my hair is finally growing back."

Regrowth Visible 180-Day Journey Denser Roots
Regrowth Visible

New strands coming in where hair had stopped growing.

180-Day Journey

Stayed consistent and the results were worth every day.

Denser Roots

Hair growing back fuller and stronger from the root up.

“I had tried everything and given up when I found Advanced Trichology. At first I thought nothing was happening, but I stuck to the plan and my hair actually grew back!”

Regrowth Visible 180-Day Journey Denser Roots
Regrowth Visible

New strands coming in where hair had stopped growing.

180-Day Journey

Stayed consistent and the results were worth every day.

Denser Roots

Hair growing back fuller and stronger from the root up.

“My confidence took a hit when my hair started thinning, but sticking with the plan changed everything. My scalp isn’t showing anymore, and my hair looks strong and full.”

Regrowth Visible 180-Day Journey Denser Roots
Regrowth Visible

New strands coming in where hair had stopped growing.

180-Day Journey

Stayed consistent and the results were worth every day.

Denser Roots

Hair growing back fuller and stronger from the root up.

“I was losing confidence along with my hair, but after a few months on the Advanced Trichology routine, I started seeing new growth. My before-and-after photos still surprise me.”

Regrowth Visible 180-Day Journey Denser Roots
Regrowth Visible

New strands coming in where hair had stopped growing.

180-Day Journey

Stayed consistent and the results were worth every day.

Denser Roots

Hair growing back fuller and stronger from the root up.

Customer Reviews

Overall rating: 4.0 / 5 from 2 reviews.

It doesn’t desolve. I can still taste the powder. I will put it in my smoothie next time.

Robbin G. 3/5 Verified

Collagen Gut Renewal

Why it works

Everything your hair needs.
Nothing it doesn't.

Every ingredient in Collagen Gut Renewal has a purpose, from supporting the intestinal barrier to nourishing gut microbes and providing the building blocks your follicles need to grow.

Bovine Collagen Peptides

Type I & III collagen peptides supply key amino acids — glycine, proline, hydroxyproline — that support the follicle's extracellular matrix and promote skin elasticity.

Trichologist-Developed

Created by certified trichologist William Gaunitz, WTS. Supported by 20 years of expertise in hair growth solutions.

PHGG Prebiotic Fiber

Partially hydrolyzed guar gum nourishes beneficial gut microbes and promotes regularity to maintain a healthier digestive environment.

Collagen Gut Renewal
Vitamin C

From natural acerola cherry extract. Acts as a co-factor for collagen synthesis and provides antioxidant protection.

Gut barrier support

Reinforces intestinal barrier integrity to support nutrient absorption and the internal conditions for healthy hair.

Immune support

Supports the gut-immune axis to help maintain a balanced inflammatory response that promotes scalp and follicle health.

Inside Collagen Gut Renewal

The nutrients your gut
has been asking for.

Collagen Peptides
PHGG Fiber
Vitamin C
Magnesium

Quick Start Bundles

Men 18-29
Men 18 - 29 Hair Growth Bundle
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Men 30+
Men 30+ Hair Growth Bundle
Shop Now
Women 18-34
Women 18 - 34 Hair Growth Bundle
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Women 35-49
Women 35 - 49 Hair Growth Bundle
Shop Now
Women 50+
Women 50+ Hair Growth Bundle
Shop Now

Real results.
Don't take our word for it.

+2,120 people tried Collagen Gut Renewal and documented what happened. Here's what they found.

Before and after

“I had tried everything and given up when I found Advanced Trichology. At first I thought nothing was happening, but I stuck to the plan and my hair actually grew back!”
 

Before and after

“Hair loss is stressful, scary, and heartbreaking so I wanted to provide an early review so others, like myself, can have a bit of a sigh of relief. I’m happy with my experience.

Before and after

“I was losing confidence along with my hair, but after a few months on the Advanced Trichology routine, I started seeing new growth. My before-and-after photos still surprise me.”
 

Before and after

“My shedding slowed down first, then I noticed baby hairs coming in. It’s the first time in years I feel hopeful about my hair.”

“I used to avoid bright lighting because my scalp showed so much. Now my hair looks fuller and healthier, and friends keep asking what I changed.”

“I followed the plan exactly and the results were worth it. My hair feels stronger, my part looks smaller, and I finally see real regrowth.”

“I bought the products out of desperation, but they exceeded my expectations. My hair is thicker, my scalp feels better, and my confidence is up.”

“I could see my hair thinning in photos, which was heartbreaking. After sticking with Advanced Trichology for a few months, the change has been dramatic.”

“My stylist noticed the improvement before I did. She said my hair looked fuller and healthier — and now I can see the difference in every picture.”

“I wasn’t expecting fast results, but consistency really paid off. My hair is growing again, and my scalp isn’t irritated anymore.”

“The transformation has been incredible. I went from visible thinning to a fuller head of hair, and I’m more confident going out without hats.”

“I was skeptical because I’d tried so many things, but this is the first routine that made a visible difference. My hair looks fuller and feels healthier than it has in years.”

“I used to dread washing my hair because of how much I’d lose. Now the shedding has slowed down, and I’m actually seeing new growth in the spots that worried me the most.”

“I didn’t expect my before-and-after photos to look this different. My hair feels thicker, my part has filled in, and I finally feel like myself again.”

“My confidence took a hit when my hair started thinning, but sticking with the plan changed everything. My scalp isn’t showing anymore, and my hair looks strong and full.”

“I had patchy thinning around my temples, and now those areas are filling back in. It feels amazing to finally see progress.”

“My thinning was getting worse every month, and it really scared me. After staying consistent, I started seeing small improvements that turned into big ones.”

“I kept seeing progress month after month — less shedding, healthier strands, and now actual regrowth. I’m honestly thrilled with the results.”

Regrow the
true you. Start your journey
Advanced Trichology® Founder

20 years of research.
One formula that works.

William Gaunitz, WTS, spent over two decades studying why hair falls out — and more importantly, how to stop it. NutraM Scalp Serum is the result of that research: a targeted topical formula designed to block DHT and restore scalp health naturally.

Read More

Today, Advanced Trichology is a globally known brand and has successfully helped thousands overcome hair loss.

William Gaunitz Advanced Trichology® Founder
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