L Carnitine for Dogs: Key Benefits that Every Pet Parent Must Know! HOW TO REMOVE THE FISHY SMELL AND TASTE FROM FISH Easy 2 Step Method Amazon.com: SIRENLABS L Carnitine Elite Burn Liquid Keto Fat Burner and Metabolism Activator Fat Loss Support Keto Friendly Weight Loss Increase Energy Stimulant Free Malibu Beach Blast 3000mg (32 Servings) : Health Trimethylaminuria: Definition, symptoms, and more Did You Know? Some people report a fishy smell after supplementing with L carnitine. This happens because certain gut bacteria convert carnitine to trimethylamine, a malodorous compound found in rotting fish.