How We Write About Evidence
Every claim we publish carries one of three evidence tags: "well established," "some evidence," or "early evidence," so you can see how much human research actually sits behind a sentence before you act on it.
Why we grade our own claims
The supplement industry has a habit of borrowing confidence. A single study in mice becomes a headline, and by the time it reaches a product page, "may support" has quietly become a promise.
A reader has no way to tell the difference between an ingredient with twenty human trials and one with two petri dishes. So we decided to label the difference ourselves.
The three tiers, defined
| Tier | What it requires | What it sounds like in our writing |
|---|---|---|
| Well established | Multiple randomized controlled trials in humans, ideally summarized in meta-analyses that point the same direction | "Melatonin helps shift the timing of sleep at low doses" |
| Some evidence | Limited human data: a few small trials, mixed results, or studies in narrow groups of people | "L-Theanine may support a calmer kind of alertness" |
| Early evidence | Preclinical work in cells or animals, or small human pilot studies | "Lion's Mane is being studied for nerve growth signaling, but human data is thin" |
One detail matters: a tier grades the evidence for a specific use, not the ingredient as a whole. Magnesium sits in different tiers depending on which sentence you attach to it.
"Well established" also does not mean dramatic. Plenty of well-studied ingredients have real but modest effects, and we say so.
What does "supports" actually mean?
US law splits supplement claims into two kinds. A structure/function claim describes an effect on the normal working of the body: "supports relaxation," "helps maintain focus." A disease claim says a product treats, cures, or prevents a specific condition.
Supplements are only allowed to make the first kind. The second kind is reserved for drugs, which must prove themselves in clinical trials before they can be sold.
That is what the disclaimer at the bottom of every page means in plain words: the FDA has not reviewed our claims, and nothing we sell is a medicine. To be clear, we are describing legal categories here, not making a claim — the distinction is the whole point of this page.
Honestly translated, "supports" means an ingredient plays a role in a process. It does not mean the ingredient controls that process, and it does not promise the process will feel different tonight.
Why doesn't everyone write this way?
Because hype converts. Supplements do not need pre-approval for efficacy before they are sold, marketing is the cheapest part of the business, and a bold promise outperforms an honest one in a short attention span.
The cost shows up later. Someone buys on an inflated promise, feels nothing, and concludes the whole category is nonsense. Often they are half right.
We are betting the other way: mark the weak evidence plainly, and the strong evidence becomes believable.
What this system cannot do
A tier grades published research, not your body. "Well established" means an effect showed up on average across trials, and averages contain people who felt nothing.
The tiers also cannot replace medical care. If trouble sleeping, low energy, or a racing mind is persistent, getting worse, or interfering with your life, talk to a doctor first. No supplement page — including ours — is the right tool for that.
How we built ours
Every ingredient guide we pack into our boxes uses these three tiers next to each claim, in the same words defined on this page. Open the guide inside The 3 AM Box and you will find "well established" and "early evidence" sitting a few lines apart, because that is what the research honestly looks like.
When the evidence behind something we sell is thin, the guide says so. We would rather you trust the page than admire it.
FAQ
What does "well established" mean on a CALMÉA guide?
It means multiple randomized controlled trials in humans, usually summarized in meta-analyses, point in the same direction for that specific use. The effect can still be modest.
Is "early evidence" a polite way of saying it doesn't work?
No. It means the idea comes from cell, animal, or small pilot studies and has not been properly tested in humans yet. It may hold up, or it may not.
What is a structure/function claim?
A legally permitted statement that a supplement supports a normal body function, such as "supports relaxation." It is different from a disease claim, which only approved drugs may make.
Why does every supplement carry the FDA disclaimer?
Because the FDA does not review supplement claims before sale, US law requires the disclaimer on any structure/function claim. It is a reminder that supplements are not medicines.
Does a "well established" tag mean it will work for me?
No. It means the effect appeared on average in trials. Individual responses vary, and some people feel no difference.
Who assigns the tiers?
We do, based on published human research, and we deliberately round down: small, mixed, or short studies get the lower tier, not the generous one.
Written and published by the CALMÉA team.
These statements have not been evaluated by the Food and Drug Administration. Our products are not intended to diagnose, treat, cure, or prevent any disease. If you take prescription medication or have an ongoing health concern, talk to your doctor before adding any supplement.