The FizzFree Blog

Practical notes for quitting soda.

Short, honest guides on cutting down soda, diet soda and energy drinks. Cravings, swaps, slips and the moments that make them happen. No guilt, and no medical claims.

Close-up of a hand holding a soda can and reading the ingredients on its label

Diet Soda Without Aspartame: Sweeteners Explained

Looking for diet soda without aspartame? Learn which sweeteners replace it, what regulators say about each, and how to read a can's label in 30 seconds.

Three soda cans in a row on a wooden table, one set slightly apart from the others

Zero Sugar Soda as a Step Down From Regular Soda

Zero sugar soda can work as a short bridge away from regular soda. Here's a simple taper plan, what labels really show, and the limits of the evidence.

A cold can of diet cola beside a glass of ice on a kitchen counter

Is Diet Coke Bad for You? What the Evidence Says

Is Diet Coke bad for you? A calm look at what's on the label, what the FDA, WHO and IARC concluded about aspartame, and what research still can't answer.

A cup of black coffee next to an unbranded soda can on a plain table

Coffee Withdrawal Symptoms vs Soda and Energy Drinks

Coffee withdrawal symptoms are caffeine withdrawal, whatever the cup. Compare FDA caffeine amounts in coffee, soda and energy drinks before you quit.

A hand holding a glass of water beside a sunlit window

Caffeine Headache: Why Quitting Makes Your Head Pound

A caffeine headache after quitting soda or coffee is common: about half of people in studies get one. Why it happens, how it feels and when to worry.

A paper calendar with a pen and a glass of water on a clean desk

Caffeine Withdrawal Timeline: How Long It Really Lasts

The caffeine withdrawal timeline from a 66-study review: onset in 12 to 24 hours, a peak on day one or two, and a typical 2 to 9 days in all.

An empty coffee cup on a wooden desk next to a notebook in morning light

Caffeine Withdrawal Symptoms: What's Normal and What Isn't

Caffeine withdrawal symptoms, ranked by how well research backs them: headache, fatigue, low mood and more, plus what is normal and when to call a doctor.

A tall glass of sparkling water with lime and ice on a kitchen counter

How to Stop Drinking Soda: A Plan for the Bad Day

How to stop drinking soda without relying on willpower: find your moments, stock swaps, pick cold turkey or a taper, and plan the slip before it happens.