Grüntee-Extrakt https://pubmed.ncbi.nlm.nih.gov/26093535/ (1)
Himbeerfruchtextrakt https://pmc.ncbi.nlm.nih.gov/articles/PMC6823123 (2)
Guarana-Extrakt https://www.webmd.com/diet/supplement-guide-guarana (3)
N-Acetyl L-Carnitin https://pubmed.ncbi.nlm.nih.gov/32359762/ (4)