Definitely has improved my skin and healing which I expect translates to improvements I cant see
Out of 41 RCTs, 39 studies have shown a significant lowering effect of L-carnitine supplementation on FBG (mg/dl) (69, 7180), 19 studies on serum insulin (pmol/l) (51, 5355, 57, 59, 61, 63, 68, 7176, 80), 20 studies on serum HbA1c (%) (5355, 57, 58, 61, 63, 66, 67, 71, 74, 77, 79, 80), and 17 studies on HOMA-IR (50, 5457, 59, 61, 63, 68, 7073, 75)
Lancet Diabetes Endocrinol 2019;7:77685
The most common user-reported experience: Temporary skin dryness in week 1 (resolves by week 2) Occasional injection site redness (standard for any subQ peptide) Some users report increased hair growth, including in unintended areas at higher doses At doses above 34 mg/day, some protocols note headaches, but this is well above standard dosing