As seen from three RCTs where the intervention was at least one gram of L-carnitine per day, there was a mean drop of 11.41 in fasting blood sugar level (p-value of less than 0.0001)
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However, the benefits of carnitine supplementation to enhance performance is debatable and further research is needed
2018 (DIABASI trial): A study in 219 older people with high blood pressure, high cholesterol, and diabetes found that taking 1 gram of acetyl-L-carnitine twice daily for 6 months did NOT lower systolic blood pressure compared to placebo
Some patients, after hearing all this, still want to try peptides
GLP-1 (glucagon-like peptide-1) and GIP (glucose-dependent insulinotropic polypeptide) are incretin hormones [2] secreted by the small intestine in response to nutrients