Coke Zero (Coca-Cola Zero Sugar): Good or Dangerous?

Coke Zero, which has not too long ago been rebranded as Coca-Cola Zero Sugar, is marketed as a more healthy model of the unique sugar-sweetened beverage, Coca-Cola Traditional.

It accommodates zero energy and sugar whereas offering the signature Coca-Cola taste, making it an interesting drink amongst these attempting to cut back their sugar consumption or management their weight.

This text takes an in depth have a look at Coke Zero and explains whether or not it’s a wholesome alternative.

Coke Zero doesn’t present any energy and isn’t a big supply of diet.

One 12-ounce (354-ml) can of Coca-Cola Zero Sugar (Coke Zero) provides (1):

  • Energy: 0
  • Fats: Zero grams
  • Protein: Zero grams
  • Sugar: Zero grams
  • Sodium: 2% of the Every day Worth (DV)
  • Potassium: 2% of the DV

To sweeten this beverage with out including energy, synthetic sweeteners are used.

The well being results of synthetic sweeteners are controversial, and concern concerning their security is rising (2).

Although the analysis is inconsistent, some research discover that the usage of synthetic sweeteners might contribute to the event of weight problems and metabolic syndrome, a cluster of circumstances that enhance illness threat (3, 4, 5).

Coca-Cola Zero Sugar (Coke Zero) makes use of a number of widespread synthetic sweeteners, together with aspartame and acesulfame potassium (Ace-Okay). The remaining substances are carbonated water, caramel colour, meals components, and pure flavors (1).

The one variations between Coke Zero and the brand new rebrand — Coca-Cola Zero Sugar — are minor modifications to the pure taste composition (6).


Coke Zero doesn’t comprise any energy or sugar and isn’t a big supply of vitamins. It’s sweetened with synthetic sweeteners, which have controversial well being results.

Analysis outcomes on the consequences of Coke Zero and different artificially sweetened drinks on weight reduction are combined.

One 8-year observational research discovered that individuals who drank greater than 21 artificially sweetened drinks per week virtually doubled their threat of obese and weight problems, in contrast with individuals who didn’t eat these sorts of drinks (7).

The identical research famous that complete every day calorie consumption was decrease in people who drank eating regimen drinks regardless of their enhance in weight. This means that synthetic sweeteners might affect physique weight in different methods than calorie consumption (7, 8, 9).

One other research noticed that ingesting eating regimen soda was related to larger waist circumference over 9–10 years (10).

Then again, many human intervention research point out that the usage of synthetic sweeteners is both impartial or useful for weight administration.

In a single 6-month, randomized, managed research, individuals with obese or weight problems skilled reasonable weight lack of 2–2.5% of their physique weight when changing caloric drinks with eating regimen drinks or water (11).

In one other research, individuals in a 12-week weight reduction program who drank artificially sweetened drinks misplaced 13 kilos (6 kg), whereas these ingesting water misplaced 9 kilos (Four kg) (12).

Thus, the proof on the consequences of artificially sweetened drinks on weight administration are conflicting, and extra analysis is required.


The proof on the usage of Coke Zero and different artificially sweetened drinks for weight administration is conflicting. Extra analysis is required to know the advantages and dangers of eating regimen drinks.

Equally to common soda, ingesting eating regimen sodas like Coke Zero is related to an elevated threat of tooth erosion.

One of many major substances in Coke Zero is phosphoric acid.

One research on human tooth famous that phosphoric acid causes delicate enamel and tooth erosion (13).

One other research noticed that Coca-Cola Mild (Food regimen Coke), which differs from Coke Zero solely in that it accommodates each phosphoric and citric acid, induced enamel and tooth erosion in freshly extracted cow’s tooth in simply three minutes (14, 15).

Nonetheless, remember that citric acid has been discovered to erode tooth greater than phosphoric acid, which means that Coke Zero might have an effect on tooth enamel barely lower than Food regimen Coke (13).

Moreover, Food regimen Coke had much less erosive results than different drinks, equivalent to Sprite, Mountain Dew, and apple juice (14).


The acidic pH degree of Coke Zero is related to an elevated threat of enamel and tooth erosion, although it might have an effect on your tooth lower than different acidic drinks.

Coke Zero is sugar-free. Nevertheless, the sugar substitutes it accommodates might not essentially be a more healthy possibility for individuals seeking to scale back their threat of diabetes.

A 14-year research in 66,118 girls noticed an affiliation between ingesting artificially sweetened drinks and an elevated threat of sort 2 diabetes (16).

One other research in 2,019 individuals confirmed a hyperlink between each sugar-sweetened drinks and artificially sweetened eating regimen drinks and sort 2 diabetes, suggesting that switching to eating regimen soda might not decrease your diabetes threat (17).

What’s extra, in an 8-year research in 64,850 girls, consuming artificially sweetened drinks elevated the chance of diabetes by 21%, although the chance for these ingesting sugar-sweetened drinks was even greater at 43% (18).

Apparently, different research have discovered opposing outcomes.

A 14-year research in 1,685 middle-aged adults didn’t discover any affiliation between eating regimen soda consumption and an elevated threat of prediabetes (19).

The outcomes from these research are conflicting and don’t present an actual clarification of how artificially sweetened drinks enhance your threat of diabetes. Due to this fact, extra analysis is required.


Although Coke Zero is sugar-free, its synthetic sweeteners are controversial. Nonetheless, analysis on the consequences of synthetic sweeteners on diabetes threat is combined, and extra research are wanted to completely perceive a doable connection.

Artificially sweetened drinks like Coke Zero have been linked to different well being points, together with:

  • Elevated threat of coronary heart illness. An observational research discovered a hyperlink between artificially sweetened drinks and an elevated threat of coronary heart illness amongst girls with no prior historical past of coronary heart illness (20).
  • Elevated threat of kidney illness. The excessive phosphorus content material in sodas might trigger kidney injury. A research famous that those that drink greater than 7 glasses of eating regimen soda per week doubled their threat of kidney illness (21).
  • Might alter your intestine microbiome. A number of research point out that artificially sweetened drinks can alter your intestine microbiome, inflicting poor blood sugar management (22, 23).
  • Could enhance osteoporosis threat. One research noticed that every day cola consumption was related to a decrease bone mineral density of three.7–5.4%. Comparable outcomes have been discovered for individuals who drank eating regimen cola drinks (24).

Additional analysis is required to find out the precise results of Coke Zero and different eating regimen drinks in your well being.


Coke Zero and different eating regimen sodas are linked to alterations within the intestine microbiome and an elevated threat of osteoporosis and coronary heart and kidney illness. Nevertheless, extra analysis is required.

Coke Zero doesn’t add dietary worth to your eating regimen, and the long-term results of ingesting eating regimen sodas are nonetheless unclear.

If you wish to scale back your sugar or common soda consumption, go for more healthy, low-sugar drinks like natural tea, fruit-infused water, and black espresso — and depart Coke Zero on the shelf.

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