Evidence Question

Does Low-carbohydrate diet lower HbA1c?

Related to: Dietary Patterns

Short answer

Low-carbohydrate diet may lower HbA1c.

Evidence at a glance

Evidence strength
Strong Evidence
Supporting research
19 studys
Randomized trials
18 trials
Evidence updated
Apr 2026

Why do we say this?

Across 19 studies, including 18 randomized trials, findings are consistent and showed an effect on HbA1c with Low-carbohydrate diet.

Explore the evidence

Supporting research

19 published studys

View all supporting research