Every Bottle Has To Justify Its Place
One of my favourite parts of a first visit is the supplement inventory. I ask people to photograph everything on the shelf and send it through before we talk. The composite version of that photograph — and this is a pattern I see constantly, not one particular patient — runs to about fourteen bottles, roughly $200 a month, and no confident answer to the question “what is this one actually for?”
That is not a criticism of anyone. It is simply what happens when a conscientious person makes reasonable decisions for ten years without a system. A podcast recommends one. A friend swears by another. Something is on sale. A new goal appears. And crucially, nothing is ever removed. Supplements accumulate. They almost never get subtracted.
It is worth knowing what the actual rules are. Under the 1994 DSHEA legislation, dietary supplements in the United States are not reviewed for safety or efficacy before they go on sale. The FDA acts after a problem emerges, not before. Independent testing has repeatedly turned up products that are misdosed, mislabelled, or contain compounds that never appeared on the label at all — which is why third-party certification (NSF, USP, Informed Choice) is one of the few genuinely reliable signals available to a consumer standing in an aisle.
And “natural” does not mean inert. St. John's wort induces the enzyme system that clears a long list of prescription medications, quietly reducing their effect. High-dose vitamin E raises bleeding risk. Beta-carotene supplementation increased lung cancer incidence among smokers in two large trials. These are real, documented interactions — and they are why the inventory is a clinical exercise, not just a financial one.
Four Questions, Asked of Every Bottle
Keep
It Earns Its Place
There is a specific reason you take it, ideally tied to a measured deficiency or a defined goal. The evidence for that particular use is reasonable. The dose matches what was actually studied rather than a fraction of it. And the product carries third-party testing.
Practical read: you can justify it in one sentence.
Cut
It's Buying Hope
You cannot say what it is for, or you started it for a reason that stopped applying years ago. The dose is a rounding error next to the research. It duplicates something else already on the shelf. Or the entire evidence base is one mouse study and a very persuasive episode.
Practical read: most of the shelf lands here.
What Usually Survives
In practice the short list tends to be vitamin D where a measured level is genuinely low, omega-3 where dietary intake is poor, magnesium for the large share of adults falling short of intake targets, and creatine — the most robustly evidenced performance supplement in existence, and increasingly interesting for preserving muscle with age. Note how many of those depend on a test result.
Where the Money Should Go
The $200 a month is the real finding. Redirected into testing, that sum buys the labs that would tell you which of these you actually need. Redirected into food and a gym membership, it outperforms the entire shelf comfortably. Supplements exist to fill measured gaps — not to substitute for finding out whether you have any.
An Audit You Can Run In Twenty Minutes
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Put every bottle on the counter and photograph it
Including the ones in the travel bag, the desk drawer and the car. You cannot evaluate what you have never seen all at once, and the total is almost always larger than people expect it to be.
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Write the reason on each one
One sentence on a sticky note: what is this for, and how would I know if it were working? Anything you cannot answer goes into a box for thirty days rather than the bin. You will not miss the great majority of them, and that is the finding.
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Total the monthly cost, then test instead
Take that number and set it against what a proper panel costs. Vitamin D, ferritin, B12 and a magnesium-relevant workup convert guessing into knowing — usually for less than a single quarter's worth of bottles.
Take What You Need. Skip the Rest.
Bring the photograph of your shelf. In a free thirty-minute consultation we'll go through what you are taking, what is worth keeping, and what is worth measuring before you buy another bottle of anything.