10:1 (Cinnamomum zeylanicum) (bark), Cayenne pepper (Capsicum annuum) (fruit) powder, Green tea extract (Camellia sinensis) (leaves), Alpha lipoic acid, Benfotiamine, Guarana seed powder (Paullinia cupana) (seed), Blood orange powder (citrus Sinensis) (fruit)
The main practical disadvantages are: poor absorption in standard capsule form, the need for consistent daily use over 8-12+ weeks before visible results, relatively higher cost for well-absorbed formats, mild and uncommon side effects like digestive discomfort or headache in some users, and the risk of unrealistic expectations from aggressive marketing claims
L-Carnitine Liquid BOOST ENERGY, ENDURANCE & PERFORMANCE L-Carnitine Liquid enhances performance by increasing the bodys reliance on fat for energy
doi: 10.1136/bjsports-2018-099027, 174
Nat Biotechnol 35(11):998999