l carnitine for women Nutrex Research Carniburn Liquid 3000mg – Thermogenic Liquid Fat Burner Men & with MitoBurn, InnoSlim, GBBGO - Stimulant Free Metabolism Booster L-Carnitine (500mg)

Besonders hohe Konzentrationen finden sich beispielsweise in Spargel mit etwa 28 mg pro 100 g und Avocados mit rund 27,7 mg pro 100 g

Using expired b12 could certainly result in you not receiving the proper dosage due to deterioration as you now likely suspect given your setback

A double-blind, placebo-controlled trial in 90 HIV-positive patients with symptomatic distal symmetrical polyneuropathy found no benefit of intramuscular injection with 1 g/day of ALCAR for two weeks in the intention-to-treat analysis, but there was some pain relief in the group of 66 patients who completed the trial (84)

doi: 10.1007/s00204-023-03562-9