This is the member library's opening piece. The general principles behind it are free and stay free — you will find them on the how it works page — and this is the same subject matter taken considerably further.
Not a different opinion. A much longer, more detailed treatment of it, for someone who has decided to do this properly and wants the whole picture rather than the introduction.
What this is, and what it is not
It is a briefing. It goes through what sits around the supplement, why each piece plausibly matters, roughly how much difference the evidence suggests it makes, and what to actually do about it — with the reasoning left in rather than summarised out into a list of tips you have already read.
It is not an assessment of you. We have not seen your blood results, we do not know your history, and we are not doctors. Nobody here is looking at your file and writing you a plan, and any brand that implies otherwise from a checkout form is overselling what it can do.
What we can do is explain the whole thing properly, at length, so that you can make good decisions about your own situation — and take better questions to someone who is qualified to look at your file.
The four things that sit around it
Reading your own results
A detailed walk through the blood tests that matter for hair: ferritin, thyroid function, vitamin D, and the androgens.
What each one measures. Why a reference range is a population description rather than a verdict on you. Why a ferritin of 15 and a ferritin of 80 are different situations that both get reported as "normal". What tends to get left off a standard panel unless someone asks for it by name.
The point of this section is not to help you diagnose yourself. It is to help you have a more useful ten minutes with a doctor.
The whole ingredient story
For each of the twenty ingredients, the longer version of what is on the public ingredients page: the trials in full rather than one line, their limitations, what remains genuinely unknown, and why we landed on the dose we did.
This includes the uncomfortable parts at more length than the public page has room for — the ashwagandha evidence being about cortisol rather than hair, the collagen evidence being about skin, the tocotrienol study being very small, and horsetail having no human hair trial at all.
Tracking, so you actually know
Month one: photographs. Same place, same light, same parting, front and top. Then again every month.
This is the part members skip and later wish they had not. Gradual change is invisible to the person living through it — you look at your hair every day, which makes you the least reliable judge of whether it has changed. Six monthly photographs will tell you the truth, whatever that truth turns out to be, including if the answer is that nothing happened. You are entitled to know that too.
We will prompt you each month, and there is a private place to keep them.
The community
The thing our founder did not have.
Other women in the middle of the same thing, at different stages of it. People who do not need it explained, who will not tell you it is normal, and who can tell you what month four actually felt like.
If you fall off it
You will, at some point, and it does not mean you have ruined anything.
The strongest predictor of whether a woman sees a change at six months is not how closely she followed any of the above. It is whether she kept taking the supplement.
Keep taking it. Come back to the rest when you have the capacity.