What you eat overall—like veggies, meat, or carbs—is probably what’s really changing your gut bacteria, not the sugar-free sweeteners in your diet.

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Pro

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Against

Evidence from Studies

Supporting (1)

1

Community contributions welcome

1

Assessing the in vivo data on low/no-calorie sweeteners and the gut microbiota.

Narrative Review

Human

2019 Feb

The study looked at whether artificial sweeteners change gut bacteria and found they don’t really affect humans — instead, other things you eat are what mostly change your gut bacteria.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Assessing the in vivo data on low/no-calorie sweeteners and the gut microbiota.

Score: 1

DOI: 10.1016/j.fct.2018.12.005

Similar Assertions

Studies with people who drink diet sodas or eat foods with artificial sweeteners don’t show that these sweeteners change the good bacteria in your gut or how your body handles sugar, as long as you’re eating or drinking them in normal amounts.

1

0

83%

Artificial sweeteners might mess up the good bacteria in your gut, which could mean your body makes less of a helpful substance that keeps your blood sugar in check.

1

0

73%

Eating a lot of processed foods may change the good bacteria in your gut in ways that make it harder for your body to manage weight and blood sugar.

1

0

71%