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It plays a major role in the process of burning fat for energy. This nutrient is a great weight loss aid as it can help to increase muscle strength, energy and increase fat burning efficiency. L-Carnitine can also help you achieve more energy, increase immune function, enhance and protect your mental faculties, and lower your cholesterol and triglyceride levels. American Nutrition has a large selection of Carnitine supplements including l carnitine fumarate and l carnitine tartrate. Best Selling Carnitine Supplements Carnitine Supplements Pages: 1 2  Colorado Nutrition Acetyl Carnitine & Alpha Lipoic Acid Pack $42.95 $21.95 Our Price CN0204 BEST VALUE /Pharmaceutical Grade/ Direct From The Manufacturer Quantity    Colorado Nutrition Acetyl Carnitine & Alpha Lipoic Formula 120 Vcaps $39.95 $19.95 Our Price CN06 BEST VALUE /Pharmaceutical Grade/ Direct From The Manufacturer Quantity    Colorado Nutrition Acetyl L-Carnitine 500mg 120 Vcaps $24.95 $10.95 Our Price CN02 BEST VALUE /Pharmaceutical Grade/ Direct From The Manufacturer Quantity    Colorado Nutrition L-Carnitine Tartrate 500 mg 120 Vcaps $39.99 $12.95 Our Price CN40 BEST VALUE /Pharmaceutical Grade/ Direct From The Manufacturer Quantity    Doctors's Best L-Carnitine 855mg 60 Vcaps $24.95 $19.95 Our Price DRBLC Quantity    Now Foods Acetyl L Carnitine 500 mg 100 Caps $39.99 $21.99 Our Price NF0076S Quantity    Now Foods Acetyl-L-Carnitine 50 Capsules500 MG $21.99 $8.79 Our Price NF0075 Quantity    Now Foods Acetyl L Carnitine Powder 3 oz. $39.99 $21.99 Our Price NF0208 Quantity    Now Foods Carnitine Creatinate Powder 4 oz $29.99 $16.49 Our Price NF2012 Quantity    Now Foods L-Carnitine 1000 mg 100 Tabs $74.99 $41.24 Our Price NF0068 Quantity    Now Foods L-Carnitine 1000 mg 50 Tabs $39.99 $21.99 Our Price NF0067 Quantity    Now Foods L-Carnitine 1000 mg Liquid 32 oz $39.99 $21.99 Our Price NF0069 Quantity    Now Foods L-Carnitine 250 mg Tartrate-L-Carnipure 30 Caps $7.99 $4.39 Our Price NF0060 Quantity    Now Foods L-Carnitine 250 mg Tartrate-L-Carnipure 60 Caps $14.99 $8.24 Our Price NF0062 Quantity    Now Foods L-Carnitine 500 mg 60 Tabs $25.99 $14.29 Our Price NF0074 Quantity    Now Foods L-Carnitine 500 mg Tartrate Form-L-Carnipure 180 Caps $59.99 $32.99 Our Price NF0073S Quantity    Now Foods L-Carnitine 500 mg Tartrate Form-L-Carnipure 30 Caps $13.99 $7.69 Our Price NF0070 Quantity    Now Foods L-Carnitine 500 mg Tartrate Form-L-Carnipure 60 Caps $25.99 $14.29 Our Price NF0072 Quantity    Now Foods L-Carnitine Liquid (orange) 1000mg 16 fl oz $22.99 $12.64 Our Price NF0065 Quantity    Now Foods L-Carnitine Liquid (tropical punch) 1000mg 16 fl oz $22.99 $12.64 Our Price NF0066 Quantity    Carnitine Supplements Pages: 1 2