Best L-Carnitine Fat Burner Supplements of 2025

SIRENLABS Elite Burn is a powerful liquid keto fat burner and metabolism activator designed to support fat loss and increase energy. With its advanced formula containing three forms of L-Carnitine and Grains of Paradise Extract, it can help boost metabolism and enhance fat loss efforts. The product offers full label transparency, ensuring you know exactly what you're getting in each serving. Being keto-friendly and stimulant-free, it is suitable for daily use to elevate energy levels and aid in fat loss. Ideal for improving body composition and enhancing performance, SIRENLABS Elite Burn is a versatile supplement that can be combined with other products for optimal results.

Burn-XT is a clinically studied metabolism booster and appetite suppressant weight loss supplement designed to help active people lose weight and keep it off. With ingredients like caffeine and green tea extract, this high-stimulant fat burner can increase energy, focus, and metabolic rate. It is not a miraculous supplement, but with the right diet and training plan, it can help reach your fitness goals while maintaining hard-earned muscle tissue. Burn-XT features a comprehensive science-driven formula with effective doses of evidence-based ingredients such as Capsimax cayenne pepper extract, high-potency green tea leaf extract, and caffeine. The cGMP USA Manufacturing ensures each bottle contains precisely what's on the label. Backed by a 30-day money-back guarantee, Jacked Factory is confident that you'll love the results from Burn-XT.

Burn-XT Max is a high-performance thermogenic green tea fat burner and appetite suppressant designed for both men and women. With its clinically studied metabolism boosting and appetite suppressing formula, Burn-XT Max takes fat burning to the next level. Packed with premium patented ingredients such as acetyl l-carnitine, green tea extract, and rauwolscine, it also features Huperzine A, PurCaf Organic Caffeine, and MitoBurn L-BAIBA to energize you, enhance fat burning, and tame your appetite. This powerful formula can help you unlock a leaner, more defined physique. Manufactured in a state-of-the-art cGMP facility, you can trust that each bottle of Burn-XT Max contains precisely what's on the label and nothing more.

JNX The Omen! Fat Burner is designed to help you reach your weight loss goals efficiently. Its thermogenic blend, featuring Caffeine Anhydrous and Green Coffee Bean Extract, revs up your metabolism, allowing you to burn fat more effectively. You’ll also experience reduced hunger thanks to its appetite-suppressing ingredients, helping you control cravings and avoid overeating. The added L-Carnitine not only aids in fat transport but also boosts your energy and mental focus, keeping you energized throughout your workouts and daily activities. This supplement is scientifically formulated for both men and women, ensuring you get quality results.

The Vibvita Fat Burner is designed for both men and women, helping you manage your appetite effectively. With ingredients like caffeine and green tea extract, this supplement supports a healthy metabolism and boosts your energy levels, making it easier for you to stay active. It targets stubborn fat by using a scientifically-backed formula that works from multiple angles, requiring only two capsules a day to kickstart the fat-burning process. This supplement is favored by a diverse range of users, including fitness enthusiasts and those with specific weight loss goals.

Jacked Factory Lean-XT is an all-natural thermogenic fat loss supplement that helps men and women burn fat, preserve muscle, control appetite, and boost metabolism. It is a non-stimulant and keto-friendly supplement that contains no artificial food dyes or fillers. This supplement is designed to maximize weight loss and improve aesthetics with science-backed ingredients at efficacious doses. The formula includes Forskolin, Green Tea Extract, and Acetyl L-Carnitine, which help maintain muscle, control hunger, and utilize fat for fuel/energy. Jacked Factory Lean-XT is manufactured in the USA in a cGMP certified facility using premium raw materials that are tested for purity, potency, and authenticity. You can be confident that each bottle of Lean-XT contains precisely what's on the label and nothing more.

GHOST Burn Guava Berry is your go-to thermo supplement for boosting metabolism and energy levels. Packed with natural caffeine, L-Carnitine, L-Tyrosine, and KSM-66 Ashwagandha, this formula helps you maximize your workouts and activities. The vegan-friendly powder offers 60 servings of Guava Berry flavor to keep you energized. With transparent labeling, you know exactly what you're consuming. GHOST Burn aims to empower users beyond the gym, encouraging you to be seen and make an impact.

Sheer Strength Shred is an advanced thermogenic supplement designed to enhance your fitness journey. You'll find that it boosts your energy levels, helping you power through workouts and daily tasks. With a blend of potent ingredients like L-Carnitine and Rauwolscine, it supports sustained energy throughout your busy day. Plus, its scientifically formulated approach ensures that you get clinically proven doses for maximum effectiveness. This supplement is crafted with high-quality ingredients and produced in a GMP certified facility, giving you peace of mind about its safety and efficacy as you work towards your fitness goals.

VMI Sports L-Carnitine 1500 Heat is a liquid supplement designed to help you convert fat to energy, boost metabolism, and support fat loss. It contains three different types of Carnitine, for a total of 1500 mg per serving, and is stimulant-free, allowing for continuous use without the risk of tolerance. VMI Sports creates high-quality sports nutrition supplements for every level of athlete, and each bottle contains 31 servings.

EHP Labs OxyShred is designed to help you achieve your fitness goals with its scientifically formulated blend of ingredients. This pre-workout powder supports your immune system while providing a natural energy boost, making it ideal for workouts. With effective doses of green coffee bean extract and acetyl l-carnitine, it aids in shredding fat and maintaining your results. Additionally, the inclusion of L Glutamine promotes muscle growth and recovery, ensuring you feel your best during and after your routines. For optimal benefits, taking this powder twice daily can enhance your overall performance.