Stop clearing the drain. Get your strength back. Wear it down again.
Your hair is built from nine things your body can't make. Rebuild 9 delivers all nine free form, already broken apart, so a slowed stomach has nothing left to unlock.
Choice
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Clinicians sharing this product include doctors, nurse practitioners, and physician associates. Right now, 237 clinicians are including CORE Rebuild 9 on their personalized patient discounts page, out of hundreds of product options.
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Clinicians who shared this product
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Your hair is built out of nine things your body cannot manufacture. Not one of them. They arrive from what you eat, or they do not arrive at all. That is what essential means.
CORE Rebuild 9 delivers all nine, in free form. Free form means already broken apart before you swallow them. There is no protein left to unlock, nothing for a slowed stomach to open, nothing to digest. They pass straight through the gut wall.
Five small tablets, once a day, with water. No shake, no blender, no scoop, no sweetener, no flavour to get down on a morning when eating already feels like a chore. 150 tablets is one full month.
Vegan, gluten free, soy free, dairy free, sugar free, non GMO. No iodine, no ashwagandha, no biotin, no stimulants. Made in an FDA registered, cGMP certified facility.
Because nothing in your bloodwork measures the thing that is missing.
Everything you are built out of arrives in your body locked. Chained together. Meat, eggs, fish, none of it is usable in the form it turns up in. The thing that opens it is the acid in your stomach. That is the whole job.
When your thyroid slows, everything downstream slows with it. Your gut gets sluggish, your stomach makes less acid, and the food keeps arriving without ever getting opened. You still eat. You still absorb every calorie. You just stop getting the material out of it.
And your body does not wait politely. If the material does not come in from your plate, it goes and takes it out of you. It walks through your own tissue looking for the same nine things and takes them apart.
It always takes in the same order. Never randomly. Your hair is almost entirely made of that material and you can survive without it, so your hair is sold off first. Then the muscle on your arms and legs. It never touches your heart. That is the entire point of the exercise.
Women work out the pattern long before anyone explains it to them:
"My hair is falling out, my eyebrows, eyelashes and pubic hair are thinning, but my god my nails are thriving."
Nothing there is malfunctioning. Your body is making a choice every single day, and it is making the correct one. Rebuild 9 changes what it has to choose from.
This is the first question almost every woman asks us, and it deserves a straight answer rather than a sales one.
Iron is the delivery truck. It is not the cargo. Iron's job is carrying oxygen around your body. It is genuinely necessary, and if yours was low, raising it was the right call.
But you can keep the trucks running perfectly and still build nothing, because iron is not what hair is made of. Hair is made of the nine amino acids. If those are not arriving, a ferritin of 94 changes nothing about the shortage underneath.
That is why so many women describe the same dead end: tablets that turned everything black, then infusions, then a better number handed back across a desk, and a drain that looked exactly the same.
"My ferritin is finally in the 90s and I am shedding worse than when it was 19."
Same logic for the rest of the cabinet. Vitamin D is a signal. Biotin is a worker. Iron is a courier. Every one of them tells your body to do something or helps it do it. Not one of them is the material the job gets done with.
Rebuild 9 is the only thing on that list that is the material itself.
Keep taking your iron if your doctor put you on it. This is not a swap, and we are not asking you to stop anything.
No. There is no biotin in Rebuild 9. That is deliberate, and it is worth explaining why, because a lot of women find this out far too late.
Most hair supplements are built on high dose biotin. Biotin is used inside many of the machines that run common lab tests, including the ones used to measure thyroid hormone. When there is a lot of it circulating, it can distort the reading. The number that comes back is not the number your body actually has.
Which means a woman can take a hair vitamin for six months, have her dose adjusted off a false result, feel worse, and never once be told the two are connected. When it gets explained in Hashimoto's groups the reaction is always the same:
"WHY WAS I NEVER TOLD THIS???"
Rebuild 9 contains nine essential amino acids and cellular energy components. No biotin, no iodine, no herbal thyroid actives. Nothing in it is known to interfere with thyroid immunoassays.
You do not have to stop it before bloodwork. You do not have to time it around your next appointment. Take it and keep testing exactly as you always have.
You already know to check the label before anything goes near your thyroid, so here it is plainly.
- ✕ No iodine and no kelp, bladderwrack or seaweed extract
- ✕ No ashwagandha or other herbal thyroid actives
- ✕ No selenium, so it will not stack on top of what you may already be taking
- ✕ No biotin, so nothing that can distort a lab reading
- ✕ No stimulants, no caffeine, nothing that leaves you wired then flattened
- ✕ No gluten, dairy, soy or added sugar
What is in it is nine essential amino acids and the cellular energy components listed below. Nothing else with a mechanism of its own.
Gluten matters here more than it does for most products. A large share of women with Hashimoto's have already gone gluten free, and many have coeliac disease alongside it. Rebuild 9 is produced gluten free.
We cannot give you medical advice and we would rather say that than guess. If you want a second opinion before you start, the full Supplement Facts panel is in the product images above. Take it to your prescriber or your pharmacist. We will email you the panel as a PDF if that is easier.
All nine essential amino acids. Not five, not seven, not a partial blend. This matters more than the dose does, because your body cannot build with an incomplete set. If one of the nine is missing, the other eight sit there unused. It works like a nine digit combination lock.
| L-Methionine | A sulfur bearing amino acid. Your body converts it into cysteine, which forms the sulfur bonds that give a hair strand its structure and hold it together. Hard to get enough of without animal protein. |
| L-Lysine HCl | Used in the formation of collagen and in tissue repair, including the structure that surrounds and supports each follicle. Diets run quietly short on this one, including higher protein diets. |
| L-Threonine | Involved in collagen and elastin production, the connective tissue that anchors the follicle in the scalp and holds joints together while you rebuild strength. |
| L-Phenylalanine | The precursor your body uses to make tyrosine, which sits upstream of the pigment that gives hair its colour, and of normal thyroid hormone production. |
| L-Histidine | Used in tissue repair and growth, and in the formation of carnosine in muscle. |
| L-Leucine | The primary trigger for muscle protein synthesis. The switch that tells your body to build rather than break down. Central to the strength that comes back once supply is restored. |
| L-Isoleucine, L-Valine | Work alongside leucine in muscle maintenance and recovery, which is the rung of this that shows up in your arms and legs. |
| L-Tryptophan | The ninth. Required to complete the set. Without it the other eight cannot be assembled into anything. |
| Cellular energy components | Uridine, adenosine triphosphate, thymidine, adenine and deoxynucleosides. Used in normal cellular energy production and cell renewal. After years of running short, feeding the machinery is not the same as switching it back on. Almost no protein source contains these at all. |
Every amount is printed on the label. No proprietary blend, which is the thing manufacturers use so you cannot find out how little is actually in there. The full Supplement Facts panel is in the product images above.
Your hair will be the last thing to change, and we would rather you heard that from us now than find it out in week three and quit.
Here is why. Remember the order your body sells things off in. Hair goes first because you can live without it. Muscle second. The organs that keep you alive are never touched.
When the supply comes back, that queue runs in reverse. The things that were given up last are restored first. Your hair was sacrificed first, so it is repaid last. That is not the product being slow. That is the mechanism proving itself in front of you.
- Week 1 to 3 Energy. Usually the first thing anyone notices. Waking before the alarm instead of snoozing three of them. Getting past 4pm without hunting for somewhere to sit down.
- Week 4 to 6 Strength. Drying your hair all the way through without putting the dryer down to rest your arms. Carrying the shopping in one trip.
- Week 6 to 8 Composition. Arms that feel like yours again. Clothes sitting differently before the scale says anything.
- Week 8 to 12 Hair. Less in the drain first. Then the short new hairs standing up along your part, under the bathroom light you have been avoiding.
No, and the difference is the entire point.
Protein is the locked version. Chicken, eggs, Greek yoghurt, a shake, it is all the same chain of amino acids bound together, and every one of them has to be taken apart by stomach acid before your body can use a single link.
If that step is working, you do not need us. If your thyroid has slowed it down over several years, more protein is more of something you cannot open. That is why women describe eating well and coming apart anyway, and why the shake sits heavy and does nothing.
Free form amino acids skip the step entirely. They are already separated. There is no chain, no unlocking, nothing for a low acid stomach to fail at. They cross the gut wall as they are.
It is the difference between being handed a padlocked crate of bricks and being handed the bricks.
None of this means eat less protein. Keep eating well. This makes sure the material actually arrives, on the days it otherwise would not.
Yes, and they are not doing the same job, so there is nothing to choose between.
Minoxidil is an instruction. It tells follicles to stay in their growth phase longer. It is a signal, and for a lot of women it genuinely works.
Rebuild 9 is the material that instruction has to be carried out with. A follicle told to grow, with nothing to grow from, does what it can and no more. It is the reason minoxidil results so often plateau or slide back, and the reason the shed in the first few weeks feels so brutal.
If you are on it, stay on it. If you came off it because of the initial shedding, or the texture, or the twice a day of it all, that is your call and your prescriber's, not ours.
We are not going to tell you to stop anything. There is nothing in Rebuild 9 that requires you to.
Five tablets daily with water. They are small and smooth coated. One dose, once a day. Most women take theirs with breakfast, or half an hour before activity on the days they train.
Around your medication. Keep taking your levothyroxine exactly as your prescriber directs, first thing, standing up, empty stomach, nothing with it. Nothing about starting Rebuild 9 changes that, and nothing about it should.
Then leave your usual gap and take Rebuild 9 later, with breakfast. If your prescriber told you to wait thirty minutes before eating, that same window covers this. You are already doing the hard part.
No mixing, no measuring, no forcing a shake down before you are hungry. The bottle travels, which matters on the days a proper meal is not going to happen.
Honest answer: for as long as the reason exists.
Hashimoto's does not resolve, and neither does the slowed digestion that comes with it. If the shortage was caused by material not getting through, then stopping means it stops getting through again, and the sacrifice order starts back up where it left off.
That is not a subscription pitch. It is the same reason you did not stop your levothyroxine when your TSH came back at 1.4.
What we will not do is trap you in it. There is no subscription you have to fight to cancel, no cancellation phone number, no offer that changes price after the first month. Buy one bottle. Buy three if the maths suits you better. Stop whenever you want.
- ✓ All 9 essential amino acids, the complete set, not a partial blend
- ✓ Free form, so nothing has to be digested or unlocked to be absorbed
- ✓ Supplies the material used to build keratin, the protein your hair is made of
- ✓ Supports the collagen structure that surrounds and anchors each follicle
- ✓ Supports the preservation and rebuilding of lean muscle in your arms and legs
- ✓ Cellular energy components almost no protein source contains
- ✓ Every amount printed on the label, no proprietary blend
- ✓ No biotin, no iodine, no ashwagandha, no stimulants
- ✓ No shake, no blender, no sweetener. Five tablets and you are done
- ✓ Vegan, gluten free, soy free, dairy free, sugar free, non GMO
Then you send it back and we refund every penny. 120 days, no questions asked.
We picked 120 days on purpose. Thirty would have been cheaper for us and it would have been useless to you, because your hair rung does not arrive until somewhere around week eight to twelve. A month long guarantee on a product like this is a guarantee designed to expire before the customer can judge it.
Four months is long enough to walk the whole ladder. Energy, strength, the way your arms feel, and then the part you actually came for.
You have bought things before that promised a great deal and did nothing. Some of them cost seventy dollars a month and came with a very nice bottle. So we will be plain: take it every day, keep eating, keep taking your medication, and find out properly.
If nothing changes, you have lost nothing but the time, and you will know for certain that this was not the thing that was missing. That is worth something too.
Real Women. Real Rebuilding
What they noticed, in the order they noticed it
"I ordered this expecting nothing." It was the fifth thing I had bought for my hair. Two weeks in, honestly, nothing. Then I woke up on a Tuesday before my alarm went off and lay there trying to work out what was different, because that had not happened in about three years.
"I dried my hair all the way through without putting the dryer down." I have been stopping halfway to rest my arms for so long that I had stopped noticing I was doing it. I stood in the bathroom holding the thing and cried, which is a ridiculous thing to cry about unless it has happened to you.
"I did not have to clear the catcher with my fingers." Every single wash for three years ended the same way, kneeling in the shower pulling my own hair out of the drain so the water would go down. Last Sunday it just drained. I stood there for a minute looking at it.
"There is a row of short hairs standing up along my part." Under the bathroom light I had been avoiding for four years. I photographed it so I could prove to myself later that I had not invented it. My hair tie holds on three wraps now. It used to slide off at four.
"My ferritin was 94 and I was still shedding." Four years, three infusions, and every appointment ended with someone telling me my iron was exactly where they wanted it. Not one person suggested the problem might be something nobody had thought to measure.
"I was already taking enough pills, so five more was my hesitation." They are small and they go down with my morning water in about ten seconds. Compared with the powder I used to stir into water and hold my nose for, this is not even a decision.
Individual results vary, and hair grows at its own pace regardless of what is taken. Rebuild 9 supplies the essential amino acids your body builds hair from, alongside your usual medication, food and routine. It is not a treatment for any thyroid condition.
In Their Own Words
What Women Are Saying
Not scripted, not staged. Swipe to see more, tap to hear it with sound.
Individual results vary. CORE supports the muscle nutrition side of rebuilding alongside your medical care, adequate protein and resistance activity. It is not a treatment for any thyroid condition.
Energy first. Then your arms.
Your hair comes last, and that is the point.
Your body gave up your hair first because it could survive without it. When the material comes back, that queue runs in reverse, so your hair is repaid last. Which means everything you notice before then is evidence it is working. Here is what women reported, in the order they reported it.
More In The Tank
Had more energy through the day and hit the afternoon wall less hard
Arms That Last
Found everyday tasks less physically heavy, including drying their own hair
Less In The Drain
Were finding less hair in the shower and on the brush than before they started
Would Recommend
Would recommend CORE to a friend whose labs are normal and whose hair is not
Your Hair Comes Back Last
Here Is Everything That Comes First
Your Hair
Comes Back Last
Here Is Everything
That Comes First
We would rather tell you the truth than sell you a miracle. Your body gave your hair up first, so it gets repaid last. Which means everything on this list arrives before the thing you actually came for, and every one of them is evidence it is working.
You will not feel anything, and you need to know why. When your body ran short, it sold things off in order. Hair first, because you can live without it. Muscle second. Your organs never. Coming back, that queue runs in reverse. So the last thing to return is the first thing you lost, and everything below arrives before it.*
Energy, and it is quieter than you expect. Not a jolt. Most women describe waking before the alarm instead of snoozing three of them, or getting past four in the afternoon without hunting for somewhere to sit. Small. But this is the first evidence that material is actually getting in.*
Your arms come back before your hair does. The muscle was sold off second, so it is repaid second. Drying your hair all the way through without putting the dryer down. Both bags up the stairs without stopping. The material reaching your arms means it is on its way to your scalp.*
Less in the drain. This is the first hard number you get, and it is not a feeling. For years every wash has ended the same way, clearing the catcher with your fingers before the water will go down. Then one wash it just drains. Shedding slows before anything new is visible.*
The short hairs along your part. Standing straight up, under the bathroom light you have spent years avoiding. Hair grows about a centimetre a month no matter who is taking what, so this is the earliest anything new can physically be visible. Photograph it. You will want the proof later.*
You stop running the calculations. Whether to wash it today. Which side of the table to sit on. Whether to be in the photograph or take it. Your hair tie holds on three wraps. The woman who parted her hair in different places at eleven at night to see which one hid it best is not who you are anymore.*
*Timings are typical of what customers report and are not a promise. Individual results vary, and hair grows at its own pace regardless of what is taken. Rebuild 9 supplies the essential amino acids your body builds hair from, alongside your usual medication, food and routine. It is not a treatment for any thyroid condition.
They Tell Your Hair To Grow.
None Of Them Give It
Anything To Grow From.
Biotin is a worker. Vitamin D is a signal. Iron is a courier. Every one of them tells your body to do something. Not one of them is the material the job gets done with.
Vitamin
Formulas
All 9 Essential Amino Acids
Instructions, Not Material
A Slowed Stomach Has No Job
Everything Else Got Stuck At
Will Not Distort Your Labs
Which Can Skew Thyroid Results
Nothing With Its Own Agenda
Ashwagandha Or Saw Palmetto
No Proprietary Blend
So You Cannot See How Little
Long Enough To Reach Month 3
Expires Before Hair Can Change
120-day money-back guarantee
Join the women who stopped clearing the drain.
◎ 120-Day Money-Back Guarantee
Individual results vary, and hair grows at its own pace regardless of what is taken. Rebuild 9 supplies the essential amino acids your body builds hair from, alongside your usual medication, food and routine. It is not a treatment for any thyroid condition.