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the claim

Vitamin C supplementation lowers blood sugar in people with type 2 diabetes.

the verdict
INSUFFICIENT LEANING
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that vitamin C supplementation lowers blood sugar in people with type 2 diabetes?

Unclear. One small randomized trial reports that vitamin C supplementation (alone or with rutin) significantly reduced the percent change in fasting blood glucose versus controls in type 2 diabetes patients, though it had no effect on HbA1c or absolute fasting glucose. A second item is only a citation title asserting vitamin C lowers blood glucose, with no results shown.

Verdict: PARTIAL LEAN · 2 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 2
Supplementation of Vitamin C Reduces Blood Glucose and Improves Glycosylated Hemoglobin in Type 2 Diabetes Mellitus: A Randomized, Double-Blind Study -
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Supplementation of Vitamin C Reduces Blood Glucose and Improves Glycosylated Hemoglobin in Type 2 Diabetes Mellitus: A Randomized, Double-Blind Study - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1155/2011/195271

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More for · 1
Impact of Rutin and Vitamin C combination on oxidative stress and glycemic control in patients with type 2 diabetes.
2020
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Ragheb, S. R., Wakeel, L. M. E., Nasr, M. S., & Sabri, N. A. (2020). Impact of Rutin and Vitamin C combination on oxidative stress and glycemic control in patients with type 2 diabetes.. doi.org. https://doi.org/10.1016/j.clnesp.2019.10.015

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