Benefits of Quitting Soda: What the Evidence Supports

Most lists of the benefits of quitting soda read like a sales brochure. Clearer skin! Endless energy! A new you in thirty days! I’m sceptical of every one of those, mostly because nobody can promise them.

So here’s a different approach: a ledger. Three columns. What you can count today, what the research links to sugary drinks, and what’s hopeful but unproven. You can decide for yourself which column matters to you.

Quick answer: The clearest benefits of quitting soda are countable: you skip about 42 grams of added sugar per 12-ounce can, spend less on drinks and break a daily habit. Public-health sources also link sugary drinks to tooth decay, type 2 diabetes and heart disease, so drinking less lowers exposure. No source guarantees specific results.

Key takeaways

• Column one is certain: the sugar, the spend and the habit you can count yourself.
• Column two is risk: CDC and NHS link sugary drinks to several health problems.
• Column three is hope: energy, skin and mood claims that lack solid sources.
• You don’t need to be perfect. Cutting down still skips real sugar.
• None of this is a promise or a medical treatment.

What are the benefits of not drinking soda that you can count?

Start with arithmetic, because it can’t be argued with.

The CDC says one 12-ounce can of soda has more than 10 teaspoons (about 42 grams) of added sugar, around 150 calories, or roughly 7.5 percent of a 2,000-calorie day. The NHS says adults should have no more than 30 grams of added sugars a day. One can is already over that line.

So if you’re a one-can-a-day person, here’s what the ledger looks like. This is example arithmetic from the CDC figure, not a measurement of you.

Two cans a day? Double it. Soda is, per the CDC, among the biggest single contributors to added sugar in the American diet: soft drinks, fruit drinks, sports drinks and energy drinks together account for 24 percent of Americans’ added sugar. Your can is not a rounding error.

The other countables are plain. Money: multiply what you spend on soda per week by 52. Habit: the afternoon that used to end in a can now ends in something you chose. None of these need a study.

Example arithmetic: 42 g of added sugar per can (CDC) times days. Not a measurement of any individual.

What are the health benefits of quitting soda?

Here the wording matters. Public-health bodies don’t say “quit soda and you’ll be healthy”. They say sugary drinks are associated with certain problems, so drinking less lowers your exposure.

• Teeth. The NHS states that “sugar is one of the main causes of tooth decay.” The CDC also lists tooth decay among the things associated with too many sugary drinks.
• Weight gain and type 2 diabetes. The CDC says drinking too many sugary drinks is associated with weight gain and obesity, and with type 2 diabetes.
• Blood pressure and heart disease. The CDC lists high blood pressure alongside those, and notes added sugar can contribute to heart disease.

Read those carefully. They’re associations at a population level. They tell you where the risk sits, not what will happen to you. And nothing here says that quitting soda treats or reverses an existing condition. If you have one, or you take medication, talk to your doctor before changing what you drink.

Are there benefits of quitting diet soda too?

It’s a fair question, and a different one. The sugar benefits above apply to sugary soda; diet soda doesn’t have the sugar. There are separate reasons people step away from it, and the evidence is more mixed. We cover those in how to quit diet soda and in is Diet Coke bad for you.

What benefits are people hoping for but nobody can promise?

This is column three, and I’d rather name it than pretend it isn’t there.

People say they sleep better, feel less foggy, have calmer afternoons, see clearer skin, taste food more clearly. Some of those may be true for you. Some may come from the other changes made at the same time: more water, an earlier bedtime, a better mood from simply keeping a promise to yourself.

I haven’t found a reliable source that measures these for quitting soda specifically, so I won’t claim them. You’re welcome to notice them. Just don’t be crushed if they don’t show up on a schedule.

There’s one exception worth knowing about, and it’s the opposite of a benefit. If your soda has caffeine and you stop at once, you might feel a few rough days. Our caffeine withdrawal timeline and what happens when you stop drinking soda cover that honestly.

What are the benefits of not drinking soda for a month?

A month is a good test period, because it’s long enough to reset a routine and short enough not to feel like forever.

Here’s what a month realistically gives you. About 1,260 grams of added sugar not drunk, at one can a day. Four or five Sundays on which your week looks different. A map of the moments you reach for a drink, and a shelf of swaps that survived real life. And proof that you can do it.

Health numbers over thirty days will differ from person to person, and I won’t invent any. What I’d measure is the stuff you control: days without, sugar skipped and the slips that taught you something.

Do I need to quit completely to see the benefits?

No. Cutting down counts, because every can you skip is sugar you didn’t drink. If a taper is easier to live with than stopping overnight, that’s a perfectly good way to bank the same ledger, just more slowly. Our guide on how to stop drinking soda lays out cold turkey against tapering and what to do on a slip.

For ideas on what goes in the glass instead, see healthy soda alternatives.

How do I keep a ledger I can actually see?

Quitting is invisible. Skipping a can leaves no mark, so the benefits column stays empty unless you fill it in.

This is exactly the job a quit soda tracker does. In FizzFree, the Sugar Jar stacks the sugar you skipped as cubes, and you can name a goal, like “New sneakers”, that fills with the money you didn’t spend. One calm check-in a day shows the days you’ve gone without. There’s no streak to lose, so a fizz day just grows a Bubble Monster, and clean days shrink it. Check-ins, goals and notes stay on your phone. Here’s how it works, and I’m John Osakwe, founder of FizzFree Labs, if you ever want to tell me what you’d add.

The three columns of the ledger, and how much weight each deserves.

FAQ

What are the benefits of not drinking soda? The surest ones are countable: less added sugar, fewer sugary-drink purchases and a break from a daily habit. The CDC and NHS also link sugary drinks to tooth decay and to risks such as type 2 diabetes and heart disease, so drinking less lowers your exposure to those.

What are the benefits of not drinking soda for a month? Over a month you skip a measurable amount of sugar. At one 12-ounce can a day, that is about 1,260 grams of added sugar by the CDC’s figure of 42 grams a can. Health outcomes over one month vary by person, and no source promises specific results.

Are there health benefits of quitting soda? Lower exposure to sugary drinks is linked, in CDC and NHS guidance, with lower risk for tooth decay, weight gain, type 2 diabetes and high blood pressure. These are associations and risk reductions, not guarantees, and not a treatment for any condition.

Do I need to quit completely to get the benefits? No. Every can you skip is sugar you didn’t drink, and cutting down counts. Some people prefer a gradual taper, which is a legitimate way to get there.

Sources: CDC, Be Smart About Sugar; CDC, Added Sugars; NHS, How does sugar in our diet affect our health?

FizzFree is a habit tracker and not medical advice. If you have a health condition or take medication, talk to your doctor before changing what you drink.