l carnitine l tartrate syrup NOW Foods Sports Nutrition, L-Carnitine Liquid, Triple Strength 3000 mg, Citrus, 16-Ounce : Health & Household ACETYL L-CARNITINE STRONG LIQUID -
Description
Carnitine carries long-chain fatty acids into mitochondria to be oxidised for the creation of free energy and also takes the role of clearing metabolic waste from cells to assist energy metabolism

It doesnt contain any stimulants or prohormones, so it should not create any false positives

Waiting for reply regarding directions wrote them 3 times

These technologies facilitate continuous monitoring of patients health status, enabling timely interventions and personalized care plans

It is always good to talk to a doctor before starting any new supplement