que es acetyl-l-carnitine hcl Nature's Truth Acetyl L-Carnitine 1000mg | 30 Capsules | Super Strength GNC Acetyl-L-Carnitine Alpha-Lipoic Acid: Mood

Because NAD is a supplement, its not regulated by the FDA and claims around efficacy dont have to be proven (which is required of prescription medications)

USDA FoodData Central is useful for calories, protein, fat, and micronutrients, but NIH notes that USDAs database does not list carnitine content

Supplement Facts: Serving Size: 3 g (1 scoop) Servings Per Container: 100 Amount Per Serving: L-Carnitine: 1500 mg Magnesium: 56 mg (15% RI) Vitamin B6: 0.7 mg (50% RI) Protein: 0 g Carbohydrate: 0 g of which sugars: 0 g Fat: 0 g of which saturates: 0 g Fibre: 0 g Salt: 0 g *RI - Reference Intake Ingredients: L-Carnitine-L-Tartrate, flavorings, maltodextrin, magnesium oxide, anti-caking agent (silicon dioxide), sweeteners (acesulfame K, sucralose), acidity regulator (citric acid), colorings (varies by flavor), pyridoxine hydrochloride (vitamin B6)

For an 80kg person, thats about 56g 72g protein per day