Caffeine now comes in more forms than a mug: gums, pouches, strips and small tablets that melt on the tongue. Melts are pitched as a portable, measured hit you can take before training or a meeting without a café. Whether that's better than coffee depends mostly on dose, timing and what you actually enjoy.
How much caffeine is in what
| Source | Typical caffeine (approx.) |
|---|---|
| Espresso, single shot | ~60–80 mg |
| Filter or drip coffee, 1 mug | ~80–140 mg, varies a lot |
| Black tea, 1 cup | ~30–50 mg |
| Cola, 330 ml can | ~30–40 mg |
| Melts, strips, gums | Fixed dose per piece — read the pack |
For healthy adults, food safety authorities in the US and EU generally consider up to about 400 mg of caffeine a day unlikely to cause harm, and the EU's food safety authority suggests single doses of up to about 200 mg. Lower limits apply in pregnancy.
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Melts vs coffee
| Coffee | Caffeine melts | |
|---|---|---|
| Dose | Varies by bean, brew and cup size | Fixed and printed on the pack |
| Speed | Typically felt within 15–45 minutes | Similar; some is absorbed in the mouth |
| Convenience | Needs a machine or café | Pocket-sized, no water |
| Ritual and taste | A big part of the appeal | Minimal |
| Cost per dose | Cheap at home, expensive at a café | Usually between the two |
| Risk of overdoing it | Hard to know the exact dose | Easy to take several quickly |
The biggest real difference is predictability. A melt tells you exactly what you're taking; a coffee doesn't. That's useful for athletes timing caffeine before training — and a reason to count carefully, because a few small pieces add up fast on top of your usual coffee.
Timing and sleep
Caffeine's effects can last for hours: its half-life in adults is often quoted at around five hours, varying a lot between people. Many sleep specialists suggest avoiding it in the afternoon and evening. Whatever form you use, a cut-off time is the simplest way to stop caffeine undermining your sleep.
Signs you're having too much
- Jitters, a racing heart or anxiety
- Trouble falling asleep, or waking in the night
- Headaches and irritability when you skip it
- Upset stomach
Using caffeine around training
Caffeine is one of the most studied performance aids in sport, which is why many athletes like a measured dose. A few practical points apply whichever form you use:
- Timing: many athletes take caffeine around 30–60 minutes before exercise so it peaks during the session.
- Test it in training, not on race day. Caffeine can upset the stomach or make you jittery, and you want to know how you react before an event.
- Less is often enough. More caffeine doesn't always mean more benefit, and side effects rise with the dose.
- Evening sessions: a pre-workout dose late in the day can cost you more in lost sleep than it gains in performance.
Coffee works for this too — it's just harder to know the exact amount in each cup.
Not every "focus" product is caffeine
ARK of Sweden is a useful example of how different these products can be under one brand. Its ARK Melts are caffeine melts with an "Extra Strong" option. Its ARK Drops, by contrast, are marketed as a "Breathe & Focus Formula" made with peppermint and spearmint oils in MCT oil, flavours such as Lemon Ice — a sensory, cooling product rather than a stimulant. The brand also sells ceremonial cacao bars and a magnetic nasal breathing dilator. If you're tracking caffeine, read which product is which, and check the caffeine per piece on the pack.
Conclusion
Coffee wins on ritual and taste; melts win on portability and a known dose. Neither is "healthier" by default — what matters is your total daily caffeine and when you take it. Keep track of every source, stay within commonly cited limits, set an afternoon cut-off, and choose whichever form fits your day.
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