We previously used the TriNetX platform to perform retrospective cohort studies 36,38,39,40,41,42,43,44,45,46,47,48,49,50,51 in various populations including patients with substance use disorders 38,45,46,48,51
During the first week, its normal to experience a gradual reduction in hunger and an increase in feelings of fullness, but the appetite-suppressing effects may take some time to become fully apparent

Target Consumer Segments Weight-Conscious Adults (2545) : men and women actively managing body weight and seeking enhanced fat metabolism and energy Fitness Enthusiasts & Gym-Goers (2040) : individuals focused on fat-burning, endurance, and workout recovery with thermogenic support Health-Conscious Millennials (2540) : prioritizing clean-label supplements with natural ingredients like L-carnitine and green tea extract Women Focused on Lean Body Goals (2550) : incorporating metabolic boosters into diet and exercise regimens for body composition Busy Professionals with Sedentary Lifestyles (3055) : aiming to improve fat oxidation and energy without excessive stimulants Aging Adults Managing Metabolic Health (45+) : looking for preventative support for weight control and cellular energy Regional Consumer Demand North America Market Insight : High demand from weight management and sports nutrition markets drives consistent growth

Preclinical evidence supporting these metabolic and regulatory effects of L-carnitine in MASLD, derived from animal and in vitro models, is summarized in Table 1