Quitting Caffeine Without the Symptoms

Daniel Reynolds — Sat, 30 Aug 2025 04:01:17 +0000

I've drank coffee pretty much every morning my entire adult life - and I've come to resent that.

Ever since I watched Fireship's "Why I quit caffeine" video, I've been fascinated over how much productivity would be shaped if I consumed no caffeine. This summer, I decided to finally start the process. But why should it be hard? As with most things, this process should be able to be engineered to be easy.

Practical Limitations

Holding a full time software engineering job, I couldn't afford to just quit cold turkey. Realistically, I needed to have little to no symptoms (ex: brain fog, depression, etc) to keep my day-to-day manageable.

Quitting Without Symptoms

My theory is this: The easiest way to quit caffeine without symptoms is to taper as gradually as possible, allowing your brain to re-adapt as slowly as it cares to.

This isn't hard in theory, but there is one hurdle: accountability over long periods of time can be hard.

Building Decaf

So I built Decaf - a simple, open-source app for gradual caffeine tapering.

Core features:

Log caffeine from any source - add anything you want
Adjustable tapering timelines - customize as you like
Progress visualization - keeps you motivated
Symptom tracking - keep an eye on negative (or positive!) patterns as you quit

Results

60 Days from 75mg per day to 0mg per day:

Zero headaches
No brain fog
Understood my energy levels better
Work performance increased during the taper
Significantly more productive by the time I got to ~35mg (no more mid-day crash!)

If you want to quit caffeine without the suffering, Decaf is free and open source..

Practical Tips for Precise Caffeine Measurement

The hardest part of micro-tapering is actually measuring your intake accurately. Here's what worked for me:

Awake Chocolate + Gram Scale - I switched to Awake chocolates (50mg caffeine per piece) at the start of my journey. Ironically these are meant for people completely dependent on caffeine, but their dosage did the trick for me. I started with 1.5 pieces (75mg), and worked my way down 10mg per week. To get an exact measurement, I used a kitchen gram scale to measure the exact amount of chocolate (and proportionally caffeine).

Liquid Measurement - For coffee drinkers, measure by ounces rather than "cups." An 8oz cup of coffee has ~95mg of caffeine. Need ~70mg? Pour 6oz. Use a kitchen scale in ounce mode.
Other Options:

Caffeine pills - I found these to all be too high a dose (200+ mg)
Instant coffee - You could measure the powder by weight

The key is picking one consistent source and sticking with it. Switching between coffee, tea, and energy drinks makes staying consistent harder.

In Conclusion

Writing this at 10pm, I'm feeling more productive than ever. No afternoon crash, no evening coffee needed—just consistent energy all day. Who knew?

DEV Community: Daniel Reynolds