The hidden 7 reasons your hair is thinning, shedding, and coming out in the shower (and how 20,000+ women found the cause)

You went to the doctor, got told everything was "in range," and left with a shrug. But you knew something was off before anyone would test for it. Here are seven reasons why.

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01

Thinning hair is a symptom, not a diagnosis

The shedding is the smoke, not the fire. When iron, thyroid, or hormones drift, your hair is usually the first place it shows, months before anything else.

Shed hair strands collected around a shower drain
02

Your ferritin can be "normal" and still too low for your hair

You can have "normal" iron and a ferritin of 10 at the same time. It's the number women obsess over and standard panels skip, or wave through a 15 as "fine."

Woman silhouette with a "normal" ferritin reading that is still too low
03

Your thyroid can be "in range" and still be the reason

Your TSH can sit inside the "normal" band and still thin your hair. As one woman put it: "sometimes the normal ranges are not normal for your body."

Close-up of a woman's neck with an in-range thyroid marker
60
%

of members said Superpower identified something previously missed or overlooked by a doctor

93
%

of members rated their Superpower Action Plan as more useful or life-changing compared to their yearly checkup

77
%

of members found something new or interesting in their results or Action Plan

Superpower member survey post-action plan 90 days (n=143)
04

It might be your hormones, and no one checked

Iron and thyroid come back clean and testing stops there. But androgens, DHEA, and estrogen shift through your 30s, 40s, and perimenopause, and those markers get skipped most. One woman's lab even scored her testosterone against the male reference range.

Woman outdoors; hormone markers often skipped in a standard panel
05

It's not biotin, and it's not in your head

The gummies, the thickening shampoo, the "just stress" line. None of it touches the cause, and you already knew that. You're not vain, and you're not imagining it. Our hair is tied to how we recognize ourselves.

Hair supplements and thickening products that don't treat the cause
06

"Normal" isn't "optimal," and that's why you got sent home

"Normal" means you're not sick enough to treat. It's a floor, not a target, and it's why you got told you're "all good" while your part kept widening. Optimal is a different number.

Superpower clinician reviewing results with a member
07

The sooner you see the cause, the more options you have

Hair moves slowly. A marker like ferritin takes months to rebuild, and women who saw change say it showed up around month four. The earlier you find the cause, the sooner that clock starts.

Woman viewing an out-of-range ferritin result in the Superpower app
Reviewer
Raquel S
Superpower member

"My hairdresser told me I should get my hormones checked because my hair was thinning. After testing I got a very detailed report that shows I have low ferritin. New hair growth is happening! Wish I did this sooner."

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What to expect

Superpower blood panel test tube
Week 1

Your results

100+ markers back from your baseline draw, with the hair cluster (iron, ferritin, thyroid, hormones) flagged against optimal ranges.

Results explained in the Superpower app
Weeks 1 - 2

Your answer and your plan

You see what's actually driving it, get a personalized protocol, and can message a real care team.

Top 5 most impactful actions in your protocol
Months 1 - 3

The slow part

Markers like ferritin take time to rebuild. This is where you correct the cause instead of chasing the strand.

Messaging your clinician from the Superpower app
Month 4 and beyond

Where women in the threads say they first noticed change

Everyone is different, and we never promise regrowth. We promise you'll finally know why.

Find out why, or your money back

Take the panel, get your results and your plan. If Superpower doesn't show you something your last checkup missed, tell our team within 30 days and we'll refund you. You keep your results either way.

Cancel anytime
HSA/FSA eligible
Results within a week
Ferritin, TSH and vitamin D results shown in the Superpower app
Physical vs. Superpower

Your hair deserves better than guesswork

Standard physical

Superpower membership

Superpower

10 minutes, then a shrug
Weeks for the appointment, then "everything looks normal."
On-demand care team
Message care team anytime.  No appointment, no waiting room.
~15 biomarkers
Skips hormones, inflammation, and metabolic markers.
100+ biomarkers
Heart, liver, thyroid, hormones, inflammation, metabolic, from one blood draw.
You interpret it
A printout and no one to help you act on it.
Someone reads it with you
Results explained, ordered by priority.
Reactive
Wait until something is wrong before anyone acts.
Proactive protocol
Personalized action plan before problems become symptoms.
One-size-fits-all advice
Generic advice based on age and sex, not your data.
Built for you
Protocol tailored to your biomarkers, goals, and history.
Start testing
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/year*

100+ biomarkers from one blood draw

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60%
found something a doctor missed
93%
rated it more useful than their checkup
77%
found something new in their results
Superpower member survey, 90 days post action plan (n=143).

We test 100+ biomarkers from one blood draw. Your baseline test paints a comprehensive picture of your health, and your dashboard shows what’s working, what needs attention, and what to do next. Superpower AI and your care team help you take action across lifestyle, supplements, and treatments.

Yes. You can cancel anytime, no fees. Your membership stays active through the end of your paid year.

Your membership includes one comprehensive blood test a year to establish your baseline. You can add follow-up tests and other diagnostics anytime through the app or with help from your care team.

Book your draw at any of 2,000+ partner labs or at-home. Results are typically ready in about a week and land in the Superpower app.

Designed by the world’s leading physicians and scientists

Dr Leigh Erin Connealy, MD

Clinician & Founder of The Centre for New Medicine

Leads the largest integrative medical clinic in North America. A pioneer in integrative oncology.

Dr. Alex J. Tatem, MD

Board-certified Urologist and Men's Health Specialist

Internationally recognized specialist with 20+ peer-reviewed publications and award-winning research presentations.

Dr Robert Lufkin

UCLA Medical Professor, NYT Bestselling Author

A leading voice on metabolic health and longevity as shown in The Today Show, USA Today and FOX.

Dr Abe Malkin

Founder & Medical Director of Concierge MD

Leads a nationwide medical practice, and Drip Hydration, a mobile IV therapeutics company

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260+ reviews

Verified reviews from real Superpower members

From skeptical to total fan
I was skeptical but really wanted to get deeper look at my health and my PC wasn’t willing to go this comprehensive. I’ve been so impressed with the entire experience!
I couldn’t be happier with this program! One of my favorite features is the 24/7 contact; having support available whenever I have a question makes a world of difference.
Thank you Superpower!
They gave me a protocol to follow so I can take control of my health. I have a new workout plan, nutrition and supplement guidance to help me meet my goals. The concierge team is absolutely amazing too!
Superpower by far has the best offering
The amount of blood required was far below competitors. The online marketplace completes the full offering for a one-stop-shop.
The tools for preventative care
As an Integrative Women's Health Coach this is exactly what I was looking for, for myself and to recommend to my clients.

Frequently asked questions

Your 100+ biomarker panel covers the cluster most often behind thinning hair in women — ferritin and iron, a full thyroid read, and key hormones — alongside metabolic, inflammation, and nutrient markers, so you can see what's actually driving yours.

100+ biomarkers from one blood draw, a personalized plan built on your results, 24/7 care team access, your health data in one place, and member pricing on additional specialty testing.

No. Superpower tests and reveals what's going on in your body — we don't treat hair loss or promise regrowth. You get a clear read on the markers behind it and a personalized plan you can act on with your care team.

Superpower tests 100+ biomarkers from one blood draw via Quest Diagnostics labs. This covers hormones, heart health, metabolic health, inflammation, nutrients, immunity, and more.

Stay well-hydrated leading up to your appointment and wear a shirt with loose sleeves. We recommend fasting for at least 8 hours before your draw for the most accurate results — water and black coffee are fine.
Results are typically ready in about one week. You'll be texted when your results are ready to view in the Superpower app.
Press on the site for a few minutes and keep the bandage on for 4-6 hours. Skip heavy lifting with that arm for the rest of the day. Stay hydrated and eat a snack if you feel lightheaded.
Superpower is a preventive wellness service and does not bill insurance directly. However, your membership is HSA/FSA eligible. Our model focuses on proactive, preventive health rather than reactive sick care.
Superpower is available in 37+ US states through our network of 2,000+ Quest Diagnostics lab locations. You can find the nearest location in the app after signing up.