l carnitine 300 mg NutraBio L-Carnitine Maximum Strength Gaspari Liquid Carnitine 3000 is a high L-Carnitine Liquid 3000mg | 16

sciencedirect.com Vasireddi N, et al

Some users add significantly more water to make the vial last longer, essentially diluting below effective concentrations

It is synthesized by bacteria and serves as a biomethylation compound of certain heavy metals

(PubMed) Whanger PD

People with autoimmune disorders (especially thyroid disorders such as Hashimotos thyroiditis and Graves disease) Type 1 diabetes, vitiligo, lupus, Addisons disease, ulcerative colitis, infertility, acquired agammaglobulinemia, or a family history of these disorders

Some users double the dose during periods of intense training or after physical strain, but its always best to begin with the base dosage and adjust gradually