The Apology Video Everyone's Sharing. We Got the Extended Version.

For a while, I talked about Flow the way most people still think about it, as a nicotine alternative. Zero nicotine, zero caffeine, same pouch format. All true. But I was underselling it, and I wanted to correct that on the record instead of just letting the shorthand version stick.

Because I'd rather you be skeptical of the hook and go check the actual claim than take the hook at face value and not check anything. The honest answer is the framing is a little theatrical, sure. But the correction underneath it isn't. Nicotine constricts blood vessels. That's not a marketing line, that's basic pharmacology. If the delivery got your attention, fine, but what matters is whether the underlying claim holds up, so let's go there.

Nicotine acts on the cardiovascular system directly. It's a stimulant, and part of how it produces that stimulant effect is by triggering vasoconstriction, a narrowing of the blood vessels. This isn't a slow, cumulative thing that only shows up after years of use. It happens acutely, meaning it kicks in with each individual use, then fades, then happens again the next time.

Every use has an acute vascular effect. Long-term, repeated use is its own separate concern, but the acute mechanism is what people don't usually connect to how they feel that same day.

Erectile function is largely a vascular event. Blood has to flow in and stay in for an erection to occur, so anything that affects vessel function is relevant to it. There's a controlled human trial, randomized, double-blind, placebo-controlled, that isolated nicotine specifically, not cigarettes, not smoking generally, just nicotine, and gave it to healthy nonsmoking men before they viewed erotic material. Researchers measured physiological arousal response objectively. Nicotine was associated with a 23 percent reduction in that response compared to placebo.1

That's the part I actually find most interesting. Their subjective ratings didn't significantly change. They didn't necessarily feel less turned on. Their bodies just responded differently. That's the acute vasoconstriction piece showing up in a measurable way, separate from anything psychological.

It's one trial for the isolated-nicotine piece specifically, and it shouldn't be overstated on its own; it involved a small sample and a single exposure. But it doesn't stand alone. A 2024 systematic review covering 57 studies and more than 7,000 participants found significant differences in vascular health markers between men with erectile dysfunction and men without it.2 Separately, a systematic review on smoking pointed to endothelial impairment and reduced nitric oxide availability as mechanisms,3 and a meta-analysis of more than 28,000 participants found smokers had significantly higher odds of erectile dysfunction than nonsmokers.4 None of that proves nicotine alone causes it. But it means the vascular story isn't coming from one convenient study, it's consistent across a much wider body of research.

You're right to push on that, and it's a fair distinction. Traditional use isn't clinical proof, and I don't want to blur those two things together. What's actually backing Cordyceps in Flow's formulation is controlled research on exercise- and blood-flow-related outcomes, not just historical use.5 That's a different, stronger claim than "people have used this for a long time," and it's the one we should actually be standing behind.

Correct. It's true, but it's not the evidence. The RCT data on blood-flow-related outcomes is the evidence.

I want to be careful here, because this varies person to person and there isn't a single controlled study measuring "minutes, hours, or days until you notice." What we can say is that removing an acute vasoconstrictor from daily use removes a repeated stressor on the vascular system starting immediately, and formulation ingredients like Cordyceps are being taken in consistently from day one rather than building up over months. But anecdote and mechanism aren't the same as a measured timeline, and I'd rather say that plainly than imply a specific number of days we can't actually back up.

I'd told people Buy 4, Get 4 Free was the best deal they'd see. That's the part of the video that's straightforwardly a pricing update, not a health claim, so there's less to unpack, it's either a good deal or it isn't, and people can judge that for themselves.

More than 103,000 people have tried Flow at this point.6 What's more useful than the raw number is what happened after. In a 2026 post-purchase survey, 76 percent of respondents reported either quitting nicotine entirely or cutting their use by at least half. Separately, 87 percent reported better energy throughout the day. That second number matters here specifically, because a lot of people worry that removing nicotine and caffeine means losing the alertness they're used to. That's not what the survey suggests happened.6

Correct, and that distinction matters. It's real usage data from real customers, not a controlled study, and it should be read as exactly that, directionally useful, not clinically definitive in the way the nicotine and vascular research is.