You Deserve the Best Quality Guaranteed The Energy Supplements Free Form Amino Acid Dietary Supplement Hypo-Allergenic Quality Natural Supplements VCaps Nutritional support for natural energy production and general well-being. Nature's Plus L-Carnitine 300 mg Caps contain this amino acid as L-carnitine-L-tartrate, a highly stable, water-soluble form of L-carnitine, providing maximum potency, purity and activity.