Our smashing health listicles

Is 700% NRV vitamin C too much? We sell it, and here's the honest answer
Is 700% NRV vitamin C too much? We sell it, and here's the honest answer
We sell a 560mg vitamin C dose. Germany's BfR recommends a 250mg maximum. Rather than hope nobody notices, here's where both numbers come from and what the gap actually means. Read more...
Vitamin C and tiredness: the only thing we're legally allowed to tell you
Vitamin C and tiredness: the only thing we're legally allowed to tell you
One sentence about tiredness is legal in the EU, and it belongs to vitamin C. What Regulation 432/2012 actually authorised, the condition of use nobody mentions, and why caffeine, guarana... Read more...
Caffeine and sleep: the six-hour problem — Aurora Flow
Caffeine and sleep: why your afternoon coffee is wrecking your night
You can sleep eight hours and still wake up tired. Here's how caffeine quietly flattens your deep sleep — and the cutoff time that actually fixes it. Read more...
How much caffeine is too much — Aurora Flow
How much caffeine is too much? A straight answer with the numbers
400mg a day is the usual safe ceiling for healthy adults — but that's easier to hit than you'd think. Here's how to count it, and what 'too much' feels... Read more...
How long does caffeine last — Aurora Flow
How long does caffeine actually last? The timing nobody plans around
Caffeine kicks in within 45 minutes and lingers for hours — far longer than most people realise. Here's the full timeline, and why it matters for focus and sleep. Read more...
Clean energy without the crash: a focus guide — Aurora Flow
Clean energy without the crash: a focus guide for people who build things
Coffee spikes and crashes. Here's how to build steadier energy for deep work — what 'clean energy' really means, and what to look for in a focus supplement. Read more...
Taurine and caffeine: how they work together — Aurora Flow
Taurine and caffeine: how they actually work together
Taurine shows up next to caffeine in nearly every energy formula. But what does it actually do — and is the combination worth it? A clear, honest explainer. Read more...
Guarana benefits and EU health claims — Aurora Flow
Guarana benefits: what the EU actually lets anyone claim
Guarana is linked to energy, focus and more — but which claims hold up? An honest, EU-compliant look at what guarana does, separated from the hype. Read more...
Guarana vs caffeine compared — Aurora Flow
Guarana vs caffeine: same molecule, different label
Guarana and coffee both deliver caffeine — but on very different curves. Here's why combining a fast and a slow source gives you steadier energy with less crash. Read more...
The caffeine crash explained — Aurora Flow
The caffeine crash, explained: and how to stop it ruining your afternoon
That 3pm slump after your coffee? It's the caffeine crash. Here's what causes it, what it feels like, and a few practical ways to keep your energy steadier. Read more...
What is guarana? The Amazonian energy seed — Aurora Flow
What is guarana? The Amazonian seed in your energy drink
Guarana is an Amazonian seed with more caffeine by weight than coffee — but it releases slower. Here's what it is, how it tastes, and why it's in energy formulas. Read more...
Pre-workout energy drink vs capsule — Aurora Flow
Pre Workout Energy Drink vs Capsule: Which Fits Hours of Focus?
Pre-workout and energy drinks are mostly fast caffeine plus sugar, which gives you a spike and a crash. Here is how caffeine source changes the curve, and when a fixed-dose... Read more...