NAD+ Before And After: What a Real Timeline Would Need
The infusion is impossible not to notice, which sounds like an advantage and is the reason the account cannot be trusted.
An NAD+ before and after has a problem the format does not usually have: there is nothing to put in the picture. Weight has a scale, and a scale produces a number two strangers would agree on. Energy, focus and feeling younger produce nothing a camera can capture and nothing another person can check. That constraint decides what these accounts can be, so this page walks the timeline of one in the order it actually happens and marks where each stage fails.
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What an NAD+ before and after is being asked to show
The search is not really a request for images. It is a request for reassurance that something happens, phrased in the only format available.
Underneath it sits a specific question: if I do this, will I be different afterwards in a way I would notice. Answering that requires knowing what the person was like before, on a measure that holds still, and knowing what would have happened to them anyway. Neither exists in any account you will read online, and the absence is not a matter of the accounts being badly written.
There is a second problem stacked on the first. The claimed effects are precisely the ones that move on their own. How energetic someone feels on a Tuesday depends on sleep, workload, illness, season, caffeine and mood, and it fluctuates by more than any plausible intervention effect. A measure that swings that much on its own cannot detect a small real change, no matter how carefully the person reports.
Day zero, where the record is compromised before anything is given
The timeline starts before the appointment, and this is the stage nobody writes down.
By the time a person arrives, they have chosen the service, paid a substantial amount, read the marketing, and told at least one other person what they are doing. They arrive committed. A baseline recorded at that moment is not a neutral reading of how they were, it is a reading taken by someone who has already decided this is worth doing and who has an interest in the result.
In a trial that problem is handled structurally. A baseline is recorded before allocation, using standardised instruments, by staff who do not know what the participant will receive, on people who know they might receive nothing. None of those safeguards can be applied by a person to themselves, and the failure happens on day zero rather than at the end.
The appointment, which is impossible not to notice
Then comes the stage that makes this format worse than most.
An infusion is a long, physically eventful afternoon. There is a needle, a bag, a slow drip, and reliably reported sensations: warmth, flushing, tightness in the chest, nausea, cramping, all of which come and go as staff adjust the rate. It is expensive, it is attended, and it takes hours.
Every one of those features is a signal that something significant is happening to you. In trial design that is called unblinding, and it is treated as a threat to the result rather than as evidence of one. When the intervention announces itself this loudly, expectation stops being a small correction and becomes a plausible explanation for the entire reported effect.
This is worth stating without insult to anyone. People are not lying about feeling different after an infusion. They probably do feel different. The point is that a session designed exactly the same way, delivering nothing, would be expected to produce reports of a similar shape, and nobody has run that comparison and published it.
The evening and the week after, where the reading is taken
The after gets recorded somewhere in the following days, usually at a moment the person chose.
That choice is the mechanism. Nobody writes up their timeline on the flat afternoon in the middle of a difficult week. They write it when they feel good, which is the same reason the photograph in any before and after is taken on a day the subject was pleased with. The comparison is not between two comparable moments, it is between a low point that motivated the purchase and a high point that prompted the post.
Regression alone accounts for a great deal of this. People seek out interventions when they are at their worst, and their worst is by definition a point they were likely to move away from regardless. Any intervention purchased at a low point inherits the improvement that follows.
The post, and what it has become by the time you read it
The final stage of the timeline happens after the person has finished with it.
Accounts that describe nothing much happening are written less often, posted less often and read less often. Clinics collect the positive ones and publish them. What reaches a search result is therefore the surviving end of a distribution whose other end was never recorded. This is a selection effect operating on top of every problem already listed, and it explains why so many independent accounts sound so similar: they are not independent, they are the ones that got through.
Blood testing, the one number people reach for
The obvious fix is to measure something, and the measurement people reach for is a blood level of the coenzyme.
It is a real analyte, and raising it is the one thing that has been shown convincingly in human trials, using oral nicotinamide riboside rather than an infusion. But it does not solve this problem for two reasons. The first is that a level is not an outcome. Knowing a concentration moved tells you the biochemistry did something, not that you are better off, and the step from marker to benefit is exactly the one that has not been taken. The second is practical: this is not a routine clinical assay with a familiar reference range, and results from consumer testing are not straightforwardly comparable across labs or timepoints.
A person who tests, infuses and tests again has produced a before and after of a number, in one person, with no comparison. That is a more numerical version of the same anecdote.
| Stage of the timeline | What a trial does at this point | What a personal account has |
|---|---|---|
| Before anything is given | Baseline recorded blind to allocation | A reading taken by someone already committed |
| Allocation | Randomised, comparison group receives something else | No comparison at all |
| The intervention | Blinded where possible | An unmissable two hour event |
| The reading | On a date fixed in advance | On a day the person chose |
| Who judges | An assessor who does not know the group | The purchaser |
| Who is counted | Everyone enrolled, including those who left | Only those who posted |
A smaller record that would actually be worth keeping
None of this makes personal record keeping pointless, provided the claim is scaled to what the method can carry.
Committing in advance to a specific, checkable thing, deciding on the date it will be read before starting, writing down what else is changing in the same period, and honouring the result even when it is dull, produces something genuinely useful to one person deciding whether to spend money again. It cannot establish that the intervention works, because one person with no comparison group cannot establish that about anything.
The failure is not in keeping a log. It is in publishing a log as though it settled a question it was never capable of reaching.