now l-carnitine ingredients 1000mg Liquid 32 oz by Foods Acetyl L-Carnitine 500mg by NOW

and Whitfield, T

sIn some products, a lot less protein or a lot more carbohydrates than you would expect, and perhaps even a serving of something you don't want -- lead

Singh B, Bhat NK, Bhat HK

Fasting-induced reduction in locomotor activity and reduced response of orexin neurons in carnitine-deficient mice

If L-carnitine supplementation at optimal doses (2,000 mg daily) costs roughly $15-30 per month as an over-the-counter oral supplement, and the injectable blend charges $50-80 more per month for a potentially lower total dose of L-carnitine, the economic argument for the blend over separate supplementation becomes thin